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OF LIGHT REFLECTION (E.G., GLASS)

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356 - Optics: measuring and testing

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Class / Patent application numberDescriptionNumber of patent applications / Date published
356446000 With diffusion 56
356448000 By comparison 26
356447000 With modulation (e.g., flicker beam) 10
Entries
DocumentTitleDate
20130044326METHODS AND APPARATUS FOR SENSING A SUBSTRATE IN A CHAMBER - The present invention provides methods, apparatus, and systems of sensing a substrate in a chamber. The invention includes emitting radiation of at least two different wavelengths; directing the emitted radiation of a first wavelength through a view port of a chamber at an interior of the chamber; directing the emitted radiation of a second wavelength through the view port of the chamber at a location of a hole in a blade of a substrate carrier; detecting any of the emitted radiation reflected by the blade, the interior of the chamber, or a substrate on the blade; and determining if a substrate is present on the blade based on the reflected radiation detected. Numerous additional aspects are disclosed.02-21-2013
20100020327Plasmonic Conveyor Apparatus, System And Method - A plasmonic conveyor, system and method of plasmonic conveyance employ a surface plasmon that is controllably moved on a surface of a plasmonic element. The conveyor includes a first plasmonic element and a second plasmonic element that individually supports a respective surface plasmon. The conveyor further includes a controller that provides controlled movement of a location of the respective surface plasmon on a surface of the plasmonic element. The controlled movement facilitates translocation of an analyte particle around a periphery of the respective plasmonic element using a high field region of the respective surface plasmon. The system includes the conveyor and an excitation signal source that provides an excitation signal having one or both of a polarization and a frequency that are controllably variable. The method includes exciting a surface plasmon with the excitation signal and moving a location of the excited surface plasmon.01-28-2010
20090040524Multi-channel biosensor using surface Plasmon resonance - Provided is a multi-channel biosensor using a biosensor using a surface plasmon resonance capable of measuring the changed resonance angle in real time without additionally scanning an incident angle according to the change of temperature or external environment by including a sensor chip with a plurality of channels arranged on a top surface thereof in parallel, a light source for vertically emitting a beam from a top portion of the sensor chip to a direct bottom portion of the sensor chip, a first lens for defocusing the beam emitted from the light source in the top portion of the sensor chip, a beam splitter for splitting a reflected beam, wherein the reflected beam is obtained by reflecting the beam defocused through the first lens from each channel of the sensor chip and a sensing unit for receiving a parallel component of the beam split in the beam splitter.02-12-2009
20100128275LOCALIZED SURFACE PLASMON RESONANCE SENSING SYSTEM, APPARTATUS, METHOD THEREOF - A sensing system comprises a light source, an optical fiber, a plurality of noble metal nano-particles, a micro-fluidic module and a photo detector. The optical fiber couples an incident light. The plurality of noble metal nano-particles are disposed on a surface of the optical fiber to form a noble metal nano-particle submonolayer, the noble metal nano-particles are substantially separated from each adjacent noble metal nano-particles such that the conductivity of the noble metal nano-particle submonolayer is smaller than that of a metal film. The micro-fluidic module accommodates the optical fiber and a sample, and the sample is driven to contact with the noble metal nano-particles. The photo detector detects an emergent light from the optical fiber. When the incident light interacts with the noble metal nano-particles, a signal derived from localized surface plasmon resonance in form of attenuated light or elastic scattered light is outputted through the photo detector.05-27-2010
20090135427Laser reflection optical fiber sensor - A sensor, sensor assembly and a method of sensing, in which the sensor is in contact with a material or structure and the sensor directly measures one or more property changes in the material by means of light reflection and scattering using a reflective target.05-28-2009
20080259342COMPOSITIONS AND METHODS FOR DROP BOUNDARY DETECTION AND RADIATION BEAM ALIGNMENT - The invention provides an apparatus and method for determining the position of a radiation beam. The apparatus includes (a) a first reflective surface and a second reflective surface, the reflective surfaces being placed to form the reflective exterior of a wedge; (b) a first detector placed to detect radiation reflected from the first reflective surface, and (c) a second detector placed to detect radiation reflected from the second reflective surface. The method includes the steps of (a) directing a radiation beam to the reflective exterior of a wedge formed by a first reflective surface and a second reflective surface; (b) selectively detecting radiation reflected from the first reflective surface; (c) selectively detecting radiation reflected from the second reflective surface; and (d) determining the position of the radiation beam based on the difference in the amount of radiation detected from each surface.10-23-2008
20110194116MEASURING CHIP INSTALLATION/REMOVAL DEVICE, SPR MEASUREMENT SYSTEM, AND MEASURING CHIP INSTALLATION/REMOVAL METHOD - A measuring chip installation/removal device of the present invention secures and removes a measuring chip to and from the top surface of an SPR measurement device that measures a specimen in the measuring chip by surface plasmon resonance. The measuring chip installation/removal device includes: a chip carrier on which the measuring chip is mounted; a chip carrier guide that guides the chip carrier on the top surface; and a first magnet provided in the chip carrier, and a second magnet is provided in the chip carrier guide. Orientation of a magnetic force received by the first magnet from the second magnet is reversed by displacing the chip carrier guide, so that the chip carrier is secured to or removed from the top surface.08-11-2011
20080218760Electrooptical Distance Measuring Device - The invention relates to an electrooptical distance measuring device comprising a transmitter that emits optical radiation for lighting an object to be measured, an optical transmitting system which is rigidly mounted in relation to the transmitter and a light collector A support element (09-11-2008
20130077098MEASUREMENT APPARATUS AND METHOD - A method of measuring the reflectivity of a region of an article to electromagnetic radiation, in particular for the characterisation of the radio-frequency (RF) properties of wind turbine blades. The article (03-28-2013
20130077099DROPLET DISCHARGE DETECTION DEVICE AND IMAGE FORMING APPARATUS INCLUDING DROPLET DISCHARGE DETECTION DEVICE - Disclosed is a droplet discharge detection device including a head array unit in which plural nozzles are arranged in a line; a light emitter configured to emit a light beam in a direction in which the nozzles are arranged, wherein the light emitter is disposed at a first end portion of the head array unit and the light emitter has an aperture for limiting a diameter of a light beam; and a light receiver configured to receive a scattered light beam of the light beam generated by a droplet, wherein the light receiver is disposed at a second end portion of the head array unit, the second end portion being opposite to the light emitter of the head array unit.03-28-2013
20090262356USER INTERFACE AND METHOD FOR USING AN SPR SYSTEM - According to an embodiment, an SPR analysis system includes an SPR analysis system control computer program having a graphical user interface and configured to control the operation of an SPR analysis apparatus. According to an embodiment, an SPR data analysis computer program includes an SPR microarray video viewer and a sensorgram generator responsive to the SPR video.10-22-2009
20130083325LIGHT SOURCE DEVICE - This light source device includes one light emission unit from which light is emitted, plural light source units, a photo coupler, and a control unit. The plural light source units output outgoing lights with mutually differing wavelengths. The photo coupler connects the light emission unit and plural light source units. The control unit controls the plural light source units via a driver. Each of the plural light source units includes a light emitting element and a wavelength conversion unit. The wavelength conversion unit converts the wavelength of light output from the light emitting element, thus generating the outgoing light.04-04-2013
20130038879MONITORING A SYSTEM USING OPTICAL REFLECTOMETRY - A method for monitoring a system using optical reflectometry comprises: 02-14-2013
20090153867FLOW CELL AND SYSTEM FOR DETECTION OF TARGET IN AQUEOUS ENVIRONMENT USING ARRAYED IMAGING REFLECTOMETRY - A flow cell for use in an arrayed imaging reflectometry detection system is described herein. The flow cell includes: first and second members that are secured together to define a substantially fluid-tight chamber having an inlet and an outlet, at least the second member being light transmissive; and a chip having a substrate, one or more coating layers on the substrate, and one or more probe molecules tethered to the outermost coating layer, the chip being positioned with the outermost coating layer and the one or more probe molecules thereon exposed to fluid in the chamber and facing the second member, whereby light passing through the second member is reflected by the chip.06-18-2009
20130027709MEASURING ASSEMBLY FOR MEASURING A SPECTACLE FRAME - A measuring assembly for measuring an inside of a lens frame of a spectacle frame, said lens frame at least partially delimiting an inscribed surface area F that corresponds to a lens shape, comprising a holding device for mounting the spectacle frame, at least one light source for generating a light beam to be projected on a region of the lens frame to be evaluated, and at least one sensor that can be coupled to an evaluation unit for detecting the reflected light beam, wherein the holding device can be rotated about a rotational axis r and moved in the direction of a movement axis x, and the movement axis x comprises at least one movement component in a direction perpendicular to the rotational axis r. The holding device is used to fix the spectacle frame by spectacle frame bows, wherein at least one free space is provided in the region of the holding device, said free space being used to receive the spectacle frame bows of a spectacle frame to be held which are not folded in or cannot be folded in.01-31-2013
20100328671NEAR FIELD DETECTOR FOR INTEGRATED SURFACE PLASMON RESONANCE BIOSENSOR APPLICATIONS - A near-field surface plasmon detector is provided. The near-field surface plasmon detector includes one or more semiconductor layers that absorb one or more surface plasmons of thin metal films in the vicinity of the semiconductor layer. The surface plasmons are excited by incoming light being emitted from a light emitting source. The metal films are also employed as electrical contacts used to capture photocurrent generated after absorption of surface plasmons by the semiconductor layers.12-30-2010
20100328670SYSTEM AND METHOD FOR PERFORMING PHOTOTHERMAL MEASUREMENTS AND RELAXATION COMPENSATION - A device and methods for performing a photothermal measurement and relaxation compensation of a sample are disclosed. The device may include a probe beam source, a pump beam source, a sample, and a detector array. A method may include adjusting an intensity modulated pump beam power, adjusting a probe beam power to increase a response measurement location temperature and increase a modulated optical reflectance signal, directing the intensity modulated pump beam and the probe beam along a measurement path to a response measurement location on a sample for periodically exciting a region on the sample, detecting a reflected portion of the probe beam, and calculating an implantation dose.12-30-2010
20120182557METHOD OF DETECTING A TOPOLOGY OF A REFLECTIVE SURFACE - A method detects a topology of a reflective surface. The method includes providing an optical fiber positioned such that light emitted from the optical fiber is reflected by at least a portion of the reflective surface. The optical fiber and the portion of the reflective surface form an optical resonator having an optical resonance with a resonance lineshape. The method further includes emitting light from the optical fiber while the optical fiber is at a plurality of positions along the reflective surface. The light emitted from the optical fiber irradiates a corresponding plurality of portions of the reflective surface. The method further includes measuring a change of the resonance lineshape due to the irradiation of the plurality of portions of the reflective surface.07-19-2012
20130070250DEVICE FOR OPTICALLY SCANNING AND MEASURING AN ENVIRONMENT - A device for optically scanning and measuring and environment, with a laser scanner, having a base and a measuring head which is rotatable relative to the base, with a light emitter, which emits an emission light beam, a light receiver which receives a reception light beam which is reflected by an object in the environment of the laser scanner or scattered otherwise, and a control and evaluation unit which, for a multitude of measuring points, determines at least the distance to the object, has a manually movable trolley, on which the laser scanner is mounted by means of its base and which can be taken from a resting state to a moving state, wherein the trolley has a path measuring device for measuring its path.03-21-2013
20130070249NUMERICAL APERTURE (NA) CONTROLLING UNIT, VARIABLE OPTICAL PROBE INCLUDING THE NA CONTROLLING UNIT, AND DEPTH SCANNING METHOD USING THE NA CONTROLLING UNIT - A numerical aperture (NA) controlling unit and a variable optical probe including the same are provided. The NA controlling unit includes: an aperture adjustment unit which controls an aperture through which light is transmitted; and a focus control unit that is disposed in a predetermined position with respect to the aperture adjustment unit, that focuses light transmitted through the aperture, and that has an adjustable focal length. The variable optical probe includes: a light transmission unit; a collimator that collimates light transmitted through the light transmission unit into parallel light; an NA controlling unit that focuses light on a sample to be inspected; and a scanner that varies a path of light transmitted through the light transmission unit such that a predetermined region of the sample is scanned by light that passes through the NA controlling unit.03-21-2013
20110001977LIGHT DETECTING DEVICE - A light detecting device includes a case, a light introducing member and a light receiving element. A predetermined light is incident into an inlet face of the introducing member, and an outlet face of the introducing member emits the light incident into the inlet face. A first distance is defined between a top point of the outlet face and a focus of the introducing member, and a second distance is defined between the top point of the outlet face and a light receiving face of the receiving element. The outlet face has a convex lens shape in a manner that the first distance is smaller than the second distance.01-06-2011
20130088718MULTIPLE-ACQUISITION OTDR METHOD AND DEVICE - An OTDR device and method for characterizing one or more events in an optical fiber link are provided. A plurality of light acquisitions is performed. For each light acquisition, test light pulses are propagated in the optical fiber link and the corresponding return light signals from the optical fiber link are detected. The light acquisitions are performed under different acquisition conditions, for example using different pulsewidths or wavelengths. Parameters characterizing the event are derived using the detected return signal from at least two of the plurality of light acquisitions.04-11-2013
20130088717SPR APPARATUS WITH A HIGH PERFORMANCE FLUID DELIVERY SYSTEM - An apparatus may include a flow cell for a surface plasmon resonance test apparatus and a fluid delivery system operatively coupled to the flow cell and configured to deliver a plurality of fluids to the flow cell substantially continuously. The fluid delivery system may include two pumps for pumping the fluids.04-11-2013
20100265509In situ optical computation fluid analysis system and method - A multivariate optical element (MOE) calculation device is used in an apparatus for determining a property of petroleum in real time flowing in a pipe in petroleum field stream pipes or pipe line. Multiple apparatuses are provided for determining the amount of each of a plurality of properties. An internal reflectance element (IRE) is used to determine the property of the petroleum from a surface of the petroleum flowing in a pipe. A cleaning apparatus is provided to clean the surface of the IRE in the pipe and a turbulence generator is provided in the pipe to insure homogeneity of the petroleum being analyzed prior to analysis. A bellows may be provided the apparatus housing to compensate for pressure differentials between the housing and the flowing petroleum in the pipe. Various embodiments are disclosed.10-21-2010
20090103099INTEGRATED SURFACE MODE BIOSENSOR - An optical detection system (04-23-2009
20090303489Surface Plasmons - The generation of surface plasmons on a metal layer arranged upon an outer surface of an optical waveguide, using light reflected from inside the optical waveguide. The reflected light may be a reflected part of guided light travelling along the optical waveguide and may be a back-reflected (e.g. obliquely back-reflected) part of the guided light. The reflected part of guided light may form a radiative optical mode(s) which is used to excite surface plasmons and which is also coupled to the remaining guided mode(s) of the light from which it derives. This coupling of the radiation mode(s) and the guided mode(s) enables changes in the radiation mode(s) to cause consequential changes in the guided mode(s) of light. Such changes in the radiation mode(s) may occur due to the coupling of the reflected mode(s) to the surface plasmons they excite at the metal layer.12-10-2009
20090303488APPARATUS AND METHOD FOR DETECTION OF A FILM ON A SURFACE - An apparatus for detection of the existence of a film on a surface comprises a lens, a light emitter and a light sensor. The light emitter is preferably disposed in spaced relation to the lens and is configured to emit light toward the lens such that the light is incident thereupon. The light sensor is also preferably disposed in spaced relation to the lens and is mounted adjacent to the light emitter. The light sensor is configured to measure light reflected back from the lens. The presence or absence on the film on the surface is based upon the amount (i.e., intensity) of light that is reflected back from the lens. The apparatus may further comprise a temperature sensor or atmospheric sensor for measuring a temperature of the lens and atmospheric conditions in order to determine whether conditions are appropriate for the formation of ice, frost and other frozen contaminants.12-10-2009
20090091762Metallic structure and photodetector - In a metallic structure including a metallic nano-chain with plasmon resonance absorption, a metallic nanoparticle forming the metallic nano-chain is formed in a circular, triangle, or rhomboid shape. The wavelength selectivity can be increased also by forming a closed region by mutually linking all of metallic nanoparticles that are mutually linked with bottlenecks. In a photodetector, a photodetection unit including a current detection probe, a nano-chain unit, and a current detection probe is arranged on a substrate. The nano-chain unit is a metallic structure with plasmon resonance absorption, where metallic nanoparticles are mutually linked with bottlenecks. Each current detection probe has a corner whose tip is formed with a predetermined angle, and this corner is arranged to face the tip of the nano-chain unit, i.e., a corner of the metallic nanoparticle. Photodetection with high wavelength selectivity is performed based on a change in the initial voltage of the current-voltage characteristic.04-09-2009
20130057867DEVICE FOR OPTICAL MEASUREMENT OF MATERIALS, USING MULTIPLEXING OF LIGHT - A device for optical measurement of materials includes a zone opposite a dot including a material, a light source emitting light along an axis in the direction of the zone, where the material interacts with the light it receives, and a light guide to convey a proportion of the light emitted by the dot under the effect of the illumination. The guide includes a light scatterer associated with the source and causing a proportion of the light emitted by the dot to penetrate into the guide, such that it is guided in a direction perpendicular to the axis; the scatterer is annular in shape, and thus delimits a zone of the light guide, and the area of the zone is greater than or equal to the area of the cross-section of the portion of light beam incident to the material.03-07-2013
20130057868OPTICAL SENSOR, IMAGE FORMING APPARATUS AND DETERMINATION METHOD - An optical sensor includes a first illuminating system, a second illuminating system, a first regular reflected light detection system, a second regular reflected light detection system and so forth. The first illuminating system is disposed at the −X side of the opening in the dark box, and the second illuminating system is disposed at the +X side of the opening in the dark box. The first and second illuminating systems emit light to the opening. The incidence angles of irradiation light from the first and second illuminating systems relative to the surface of the stage are set equal to each other. The first regular reflected light detection system detects the light emitted from the first illuminating system and regularly reflected by the recording paper, and the second regular reflected light detection system detects the light emitted from the second illuminating system and regularly reflected by the recording paper.03-07-2013
20080198383HORIZONTAL SURFACE PLASMON RESONANCE SENSOR APPARATUS - Disclosed is a horizontal SPR sensor apparatus that provides a simplified beam path, ease of sample handling with concomitant ease of analysis. The horizontal SPR device disclosed herein includes an input and output transfer mirror pair that translates vertically along an axis perpendicular to the beam path. The invention includes an input/output scanner mirror pair that is operatively linked to the transfer mirror pair. This allows for rotation of the scanner mirror pair in response to the vertical translation of the transfer mirror pair and maintains the incident light focus on the metal film/sample layer while varying the angle of incidence and thereby exciting the surface plasmon resonance at the thin metal film layer. Further, this allows the detector and detector optics to be fixed providing for the implementation of heavier multi-stage cooled detectors. Finally, the invention provides an SPR device having a smaller footprint than known alternatives.08-21-2008
20090219537Method and apparatus for using multiple relative reflectance measurements to determine properties of a sample using vacuum ultra violet wavelengths - A method and apparatus is disclosed for measuring properties of an unknown sample. A reflectometer and one or more reference pieces is provided. A set of data is collected from the unknown sample and a combination of the reference pieces. A combination of the sample and reference piece data independent of incident intensity is used to determine a property of the unknown sample without calibrating incident reflectometer intensity. The method and apparatus disclosed can measure properties of thin films or scattering structures on semiconductor work pieces. In one embodiment the reflectometer utilizes vacuum ultraviolet (VUV) wavelength reflectometry. Multiple relative reflectance measurements are used to overcome effects of the inevitable contamination buildup that occurs when using optical systems in the VUV region. While advantageous for VUV wavelengths, the method described herein is generally applicable to any wavelength range, and is advantageous in situations where stable reference samples are not available.09-03-2009
20110013192LOCALIZED SURFACE PLASMON RESONANCE SENSOR AND FABRICATION METHOD THEREOF - A method for forming a localized surface plasmon resonance (LSPR) sensor is disclosed, including providing a substrate, forming a metal thin film on the substrate and irradiating the metal thin film with a laser to form a plurality of metal nanoparticles, wherein the metal nanoparticles have a fixed orientation.01-20-2011
20110013191Apparatus and method for measuring optical characteristics of an object - Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface of the object/tooth being measured. Light from the perimeter fiber optics pass to a variety of filters. The system utilizes the perimeter receiver fiber optics to determine information regarding the height and angle of the probe with respect to the object/tooth being measured. Under processor control, the optical characteristics measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence, gloss and/or surface texture data also may be obtained. Audio feedback may be provided to guide operator use of the system. The probe may have a removable or shielded tip for contamination prevention. A method of producing dental prostheses based on measured data also is disclosed. Measured data also may be stored and/or organized as part of a patient data base. Such methods and implements may be desirably utilized for purposes of detecting and preventing counterfeiting or the like.01-20-2011
20090268206PHOTOELECTONIC SENSOR - This invention provides a coaxial regressive reflection type photoelectronic sensor capable of enhancing detection accuracy. A sensor head includes a light emitting diode for emitting a detection light; a lens for converting the detection light to a parallel light and projecting the parallel light to an exterior as an external detection light; a half mirror for separating an optical path of the detection light and an optical path of a return light from the regressive reflection plate; and a photodiode for receiving the return light from the half mirror. The lens includes a convex surface formed to convert a signal light to a parallel light, and a plane tilted from a perpendicular direction with respect to the parallel light or an axis connecting a light emitting diode chip and a center portion of the convex surface. The reflected light of an external signal light at the plane passes a path different from that of the return light so as to be avoided from entering the photodiode chip.10-29-2009
20090268205SENSOR, SENSING SYSTEM AND SENSING METHOD - A sensor is an optical resonator constituted by: a first reflecting body that exhibits semi transmissivity/semi reflectivity; a transparent body; and a second reflecting body that exhibits one of reflectivity and semi transmissivity/semi reflectivity, provided in this order from the light incident side. The sensor is configured such that the absorption peak of the measuring light beam by resonance in the optical resonator matches the absorption peak of the measuring light beam by local plasmon resonance generated at the surface and/or within the optical resonator. The sensor has absorption properties such that light of specific wavelengths are absorbed depending the mean complex refractive indices of the first and second reflecting bodies and the thickness of the transparent body. An emitted light beam is output from the first reflecting body. The physical properties of the emitted light beam that change according to the absorption properties are detected.10-29-2009
20090066961Spectral Measuring System - A measuring system for photoelectrically scanning measurement points of a measurement object includes a lighting channel (03-12-2009
20120224180CRANKSHAFT TESTING METHOD - In a crankshaft testing method for the classification testing of at least one bearing surface of a crankshaft or the like, a reflection of a reference object at the bearing surface to be tested (reflection image) is detected by at least one sensor, using a sensor system. The detected reflection image is evaluated with regard to its contrast, and the crankshaft is classified as “unsatisfactory” when the contrast is below a predefined or predefinable threshold value.09-06-2012
20130063726SENSOR AND A METHOD FOR CHARACTERISING A DIELECTRIC MATERIAL - The present disclosure provides a method of characterising a dielectric material. The method comprises the step of providing a light source, a light collector and a sensor. The sensor is arranged so that an evanescent field of light penetrates through a surface of the sensor and surface plasmons are generated at the surface of the sensor when suitable light is directed along at least a portion of the sensor. The method also includes the step of exposing the surface of the sensor to the dielectric material so that an interface is formed between the surface and the dielectric material. Further, the method comprises guiding light along at least a portion of the sensor to generate the surface plasmons. In addition, the method comprises the step of collecting an intensity of light from the interface as a function of a spectral parameter of the light. Further, the present disclosure provides an apparatus for characterising the dielectric material in accordance with the method.03-14-2013
20120194819APPARATUS AND METHODS FOR SENSING OR IMAGING USING STACKED THIN FILMS - Technologies are generally described for methods and systems for sensing or imaging. The apparatus includes a stack of a plurality of thin films, such as polymer thin films. The stack has a substantially imaginary total reflectance coefficient.08-02-2012
20130163001PLASMON SENSOR - A plasmon sensor includes a supporter, a first metal layer on a lower surface of the first supporter, and a second metal layer having an upper surface facing a lower surface of the first metal layer. A hollow space is provided between the first and second metal layers, and is configured to be filled with a test sample containing a medium. The area of the first metal layer is smaller than the area of the upper surface of the supporter. The supporter has a region having hydrophilic property and facing and contacting the hollow space. This the plasmon sensor has a small size and a simple structure.06-27-2013
20090237669SURFACE DEFECT INSPECTING APPARATUS WITH DEFECT DETECTION OPTICAL SYSTEM AND DEFECT-DETECTED IMAGE PROCESSING - There is provided a defect inspecting apparatus, which includes an irradiating optical system of irradiating a light beam on a surface of a face plate of a disk mounted on a stage to scan the surface of the face plate, a light-receiving optical system of receiving specular reflection light that has transmitted a shading filter with a shading difference that changes an amount of the specular reflection light from the face plate resulting from the light beam irradiated on the disk, and a processing unit of identifying defects on the surface of the face plate from the change in amount of the specular reflection light that has transmitted a filter, so that a size and a height of the defect can be measured with high accuracy when irregular defects are determined, which is not easily achieved by a conventional lens effect.09-24-2009
20090231590SENSING SYSTEM - A sensing system using a sensing element being constituted by a transparent body sandwiched by first and second reflectors one or each of which is in contact with a specimen, and exhibiting an absorption characteristic varying with the specimen. The first reflector is a partially transparent reflective, and the second reflector is completely reflective, or partially transparent reflective. A light injection unit injects light onto the first reflector, and a light detection unit detects the intensity of light outputted from the sensing element in response to the injection. The light injection unit has a wavelength stabilizing arrangement and injects laser light, or injects light at two wavelengths. In the latter case, the light detection unit detects the intensities of outputted light at the two wavelengths, and a calculation unit obtains the difference between the intensities.09-17-2009
20090046292Distributed Measurement Spots and Reference Spots, Especially for Chemosensors and Biosensors - Disclosed is a sensor device comprising at least one array of sensor spots (02-19-2009
20120113428SURFACE PLASMON RESONANCE SENSOR - An SPR sensor comprising a thin conducting layer comprising at least one conductive element formed on a surface of a transparent substrate, a light source that illuminates an interface between the conducting layer and the substrate, a photosensitive surface that generates signals from light reflected from the interface, a flow cell formed with at least one flow channel having a lumen defined by a wall formed from an elastic material and from a region of the conducting layer, and at least one hollow fluid-providing flow control apparatus having a lumen and an orifice communicating with its lumen. Fluid flow is enabled between the flow channel and the lumen of the flow control apparatus by forcing an end of the flow control apparatus through the elastic material so that the orifice communicates with the flow channel lumen.05-10-2012
20120236313SPECTROSCOPIC SENSOR AND ANGLE LIMITING FILTER - An angle limiting filter includes: a first light-shielding layer containing a first light-shielding material and provided with a first opening; a second light-shielding layer containing a second light-shielding material and located in a region which surrounds at least one portion of the first light-shielding layer; a third light-shielding layer containing the first light-shielding material, provided with a second opening at least one portion of which overlaps the first opening, and located above the first light-shielding layer; and a fourth light-shielding layer containing the second light-shielding material and located above the second light-shielding layer in a region which surrounds at least one portion of the third light-shielding layer.09-20-2012
20130188190OPTICAL LEAK DETECTION SENSOR - A leak detection sensor for detecting a leakage of an electrolyte solution in a flow battery system is provided. The sensor includes a sensor housing, the sensor housing being at least partially surrounded by a fluid and having mounted therein at least one light source. The device also includes at least one light detector, wherein light emitted from at least one light source is incident on a portion of the housing in contact with a fluid and is at least partially refracted by an amount which is dependent on a refractive index of the refractor lens and the surrounding fluid, such that the amount of refraction at the refractor lens and the surrounding fluid causes a loss in a power of light detected by the at least one light detector, the light detector determines the intensity of the detected light, determines the composition of fluid surrounding the device housing based on the based on the difference between the measured light intensity and the intensity of light produced by the light source, and determines a leak if the composition of fluid is determined to be an electrolyte solution.07-25-2013
20120033221IMAGE ACQUISITION APPARATUS INCLUDING ADAPTIVE OPTICS - An image forming apparatus including an adaptive optics realizing a reduction in image acquisition time and high definition without significantly increasing a light amount of a beam for scanning is provided, the apparatus including an adaptive optics scanning a plurality of areas in an object with a deflector using a measuring beam including a plurality of beams and corrects reflected and/or scattered beam from the object to acquire an image of the object, including: one or more wavefront aberration detecting device detecting wavefront aberration in each of the plurality of beams caused by the object when scanned by the measuring beam including the plurality of beams; and a single wavefront aberration correcting device correcting the wavefront aberration of each of the plurality of beams according to the detected wavefront aberration, the single wavefront aberration correcting device arranged in a position optically conjugate with the deflector.02-09-2012
20100171958Localized plasmon resonance sensing device and system thereof - The present invention discloses a LPR sensing device and a LPR sensing system comprising a LPR sensing device, a light source, a detecting unit and a processing unit. The LPR sensing device comprises a sensing substrate and a noble metal nanoparticle layer, and the noble metal nanoparticle layer is disposed on the sensing substrate and has noble metal nanoparticles with diameter of 2˜12 nm. An analyte adsorbed on the surface of the noble metal nanoparticle layer generates a dielectric environmental change, resulting in a change of the LPR band. Comparing noble metal nanoparticles with different particle diameters, small noble metal nanoparticles provide better sensing sensitivity to a compound with a small molecular weight.07-08-2010
20090195784Sensor Unit and Assay Method of Assay in Utilizing Attenuated Total Reflection - A sensor unit of a surface plasmon resonance (SPR) assay system includes a transparent dielectric medium. A thin film has a first surface and a sensing surface. The first surface is connected with the dielectric medium to constitute an interface. The sensing surface is back to the first surface, for detecting (bio) chemical reaction. A flow cell block has a flow channel for flowing of the sample to the sensing surface. Attenuated total reflection of illuminating light is checked at the interface, to analyze interaction between ligand and analyte as samples. The flow channel includes a first inner surface, disposed opposite to the sensing surface to extend along, for passing the sample to flow between. The first inner surface has a height, defined with reference to the sensing surface, and in a range of 200-500 microns.08-06-2009
20110279819ILLUMINATION SUBSYSTEMS OF A METROLOGY SYSTEM, METROLOGY SYSTEMS, AND METHODS FOR ILLUMINATING A SPECIMEN FOR METROLOGY MEASUREMENTS - Illumination subsystems of a metrology system, metrology systems, and methods for illuminating a specimen for metrology measurements are provided.11-17-2011
20090213382OPTICAL RESONANCE ANALYSIS UNIT - An array surface plasmon resonance (SPR) analysis instrument comprising a reflective SPR sensor array, a light source assembly arranged to project a collimated beam of light onto the reflective SPR sensor array to provide a reflected array image of the sensor array, and to scan the incident angle of the collimated beam of light over an angular range, and a detector assembly oriented to receive the reflected array image of the sensor array over the angular range, the detector assembly comprises a two-dimensional detector sensing element that is tilted with respect to the optical axis of the lens assembly in accordance with the Scheimpflug condition, and a lens assembly for focusing the reflected array image of said SPR sensor array onto said tilted detector sensing element. The lens assembly comprises an objective section which is arranged to produce a virtual image of the tilted reflected array at infinity, followed by an imaging section arranged to transform the virtual image of the tilted reflected array into a real tilted image on the tilted detector sensing element.08-27-2009
20110116094Method of Producing a Surface Plasmon Generator, a Surface Plasmon Generator and a Sensor Incorporating the Surface Plasmon Generator - Surface plasmon generation on a metal or semiconductor layer at an outer surface of an optical waveguide, using light reflected or scattered from inside the optical waveguide. One aspect provides a main optical waveguide (05-19-2011
20090161110METHOD FOR IMPROVING SURFACE PLASMON RESONANCE BY USING CONDUCTING METAL OXIDE AS ADHESIVE LAYER - Surface plasmon resonance (SPR) sensing technique which provides high specificity and accuracy has been an important method for molecular sensing technology. In the past, in order to affix 45 nm gold film onto glass or silicon substrate, several nanometers of chromium (Cr) or titanium (Ti) has been used as adhesive layer for the attachment of Au film. However, the existence of Cr or Ti thin film deteriorates the performance of SPR sensor due to their characteristic optical absorption. Our experimental results have confirmed the uses of conducting metal oxide, specifically, ITO and Zinc Oxide (ZnO) can be used to replace Cr or Ti for better performance in terms of SPR resonant properties (resonant angle and HMBW) and sensitivity enhancement for 3 to 15 times than traditional ones. It would contribute significantly to the SPR applications in both biosensors and gas sensors.06-25-2009
20100171957LIGHT REFLECTOR - The invention provides a light reflector comprising a light reflecting surface, which reflector comprises a layer of a porous inorganic material having a thickness in the range of from 0.1 to 100 mm, which inorganic material has a pore volume in the range of 2 to 80% and an average pore size in the range of from 100 nm to 50 μm. The invention further provides an apparatus comprising the reflector, and a method for preparing the reflector.07-08-2010
20120099110DETECTION DEVICE AND IMAGE FORMING APPARATUS - A detection device includes: a detection member that includes an emission member emitting a beam toward a direction of a transportation path and a beam receiving member receiving a reflected beam reflected from a medium; a transmissive member that is provided to allow a regular reflected beam of the beam reflected from the medium to be obliquely incident thereto, and through which the beam emitted from the emission member is transmitted; and a multiple-layered antireflective film that is provided on the transmissive member, the antireflective film being formed such that a maximum value of reflectivity of a first incident beam incident at the same angle as an incident angle of the regular reflected beam becomes smaller than a maximum value of reflectivity of a second incident beam incident in the direction perpendicular to the transmissive member within a visible light wavelength range.04-26-2012
20120105856HIGH SENSITIVITY PLASMONIC STRUCTURES FOR USE IN SURFACE PLASMON RESONANCE SENSORS AND METHOD OF FABRICATION THEREOF - There is disclosed a method for fabricating a plasmonic structure for use in a surface plasmon resonance sensor, comprising: coating a surface of an optically clear substrate with a monolayer of microspheres forming a sphere mask; etching the sphere mask to produce an array of microholes; depositing an adsorption layer on the etched sphere mask and the surface of the optically clear substrate; depositing a metallic film on the adsorption layer; and removing the sphere mask. This is also disclosed a plasmonic structure for use in a surface plasmon resonance sensor, comprising: an adsorption layer; and a metallic film deposited on the adsorption layer; wherein the adsorption layer and the metallic film comprises an array of microholes.05-03-2012
20110285999SURFACE PLASMON RESONANCE SENSOR USING METALLIC GRAPHENE, REPARING METHOD OF THE SAME, AND SURFACE PLASMON RESONANCE SENSOR SYSTEM - There is provided a surface plasmon resonance sensor including a metallic graphene layer formed in a core of a predetermined area of an optical fiber from which a jacket and a cladding are removed. Further, a preparing method of the surface plasmon resonance sensor and a surface plasmon resonance sensor system is also provided.11-24-2011
20110286002LIGHT REFLECTING MASK, EXPOSURE APPARATUS, AND MEASURING METHOD - A light reflecting mask includes a reflecting layer which is provided on a substrate and reflects light, an absorbing layer which is provided on the reflecting layer and absorbs light, a device pattern which is formed in a first region of the absorbing layer, and a reflectance measuring pattern which is formed in a second region of the absorbing layer. The reflectance measuring pattern is a diffraction grating.11-24-2011
20110286000Methods and Systems for Optically Characterizing a Turbid Material Using a Structured Incident Beam - Methods and systems for optically characterizing a turbid sample are provided. A structured light beam is impinged on the sample. The sample includes an embedded region. A reflected light image of the structured light beam is detected from the sample. A measured reflectance image of the structured light beam for the sample is determined based on the reflected light image and a reflectance standard. The following parameters are determined: absorption coefficients ÿa, scattering coefficient ÿs and anisotropy factor g of the sample from the reflectance image. A size parameter of the embedded region is estimated based on the absorption coefficients ÿa, scattering coefficient ÿs and/or anisotropy factor g of the sample from the measured reflectance image.11-24-2011
20110085171Analytic device with 2D scanning mirror reader - This invention provides methods of array reading and readers of assay result arrays wherein light can be scanned onto analytical region array members from a light source and/or light can be scanned from array members to a detector. One or more mirrors can have one of more pivotable axes enabling scanning light paths to be established between assay result arrays and other components of an analytical device.04-14-2011
20110299086SENSING DEVICE AND IMAGE SENSING SYSTEM THEREOF - A sensing device includes a housing and an image sensing system disposed in the housing and used for detecting a reflected light from an object. The image sensing system includes a substrate, a light sensing element, and a reflection and redirection element. The light sensing element is disposed on the substrate. The reflection and redirection element is disposed between the light sensing element and the object, and used for reflecting and redirecting the reflected light from the object to a receiving direction of the light sensing element, such that the light sensing element receives the reflected light and generates a corresponding sensing signal.12-08-2011
20110299088EXAMINATION METHOD AND EXAMINATION DEVICE - A change in surface state can be dealt with by setting threshold values different for respective regions of an object to be examined in accordance with a magnitude of noises, thereby improving a detection sensitivity.12-08-2011
20110299087HIGH-SPEED OPTICAL MEASUREMENT APPARATUS - A high-speed optical measurement apparatus includes an objective lens unit, an optical path unit, a control circuit unit, a measurement sensor, an eyepiece unit, and a measurement sensor connection. The objective lens unit adjusts the magnitude of the overall light of the individual locations of the object or the set of multiple objects, and allows the light to make its entrance. The optical path unit changes the path of the incident light. The control circuit unit outputs a control signal which is used to change a direction of the light by controlling the optical path unit. The measurement sensor measures the incident light. The eyepiece unit conforms the light to the size and location of the measurement sensor. The measurement sensor connection fastens the measurement sensor so that the light incoming through the eyepiece unit is aligned with the measurement sensor.12-08-2011
20080291455Active Light Sensor - An apparatus is described for assessing plant status remotely sensed by the invention thereby allowing selective monitoring or treatment of individual plants. Additionally, the apparatus may be utilized for measuring the reflectance characteristics of soil or of objects in general. The apparatus utilizes a solid state light source to illuminate a plant canopy or object under investigation. An array of spectrally sensitive photosensors are incorporated into the apparatus to detect light reflected from a plant or object resulting from the integral light source. The instrument may be mounted to a vehicle, mounted to a tripod or held in the hand of an operator for use. A controller can be used in conjunction with the invention to analyze measured reflectance signals and can respond by activating a device to take some action with respect to the plant and/or object or store the analyzed signals with corresponding DGPS position in the controller's memory for later analysis.11-27-2008
20100053625SURFACE PLASMON RESONANCE METER - A surface plasmon resonance meter is provided, including a backlight module, a line-slot plate, a parabolic mirror, a linear polarizer, a sensing chip, a prism and a photo detector array. The line-slot plate includes a light outlet. A light beam travels in the backlight module, and leaves the backlight module through the light outlet. The position of the line-slot plate is matched on a predetermined focal point of the parabolic mirror. The light beam is reflected by the parabolic mirror to be a parallel light beam, and travels trough the linear polarizer to the prism. The prism includes a light entering surface, a detection surface and a light exiting surface. The light beam enters the prism through the light entering surface, contacts the sensing chip with total internal reflection, and finally leaves the prism through the light exiting surface to be received by the photo detector array.03-04-2010
20100053623MEMBRANE AND FABRICATION METHOD THEREOF - Disclosed are membranes including a nanohole penetrating the membrane and two opposing faces. Method of making the membranes are also disclosed.03-04-2010
20100033724Nanoparticle Imaging System And Method - An apparatus and method for imaging metallic nanoparticles. The invention teaches an apparatus and method for detection of gold colloid particles and for accurate reporting to the operator. The apparatus includes a substrate holder for holding the substrate, a processor and memory device, an imaging module, and illumination module, an input module, and an output module. The apparatus may have a stationary substrate holder and imaging module which are proximate to one another. The apparatus provides for a compact system without the need for complex motorized devices to move a camera across the substrate. Further, the apparatus and method provide for automatic detection of the spots/wells on the substrate, automatic quantification of the spots on the substrate, and automatic interpretation of the spots based on decision statistics.02-11-2010
20090195782PLASMONIC DEVICE FOR MODULATION AND AMPLIFICATION OF PLASMONIC SIGNALS - According to one embodiment of the invention, a plasmonic device has a beam splitter adapted to split a surface-plasmon (SP) input beam into first and second SP beams and direct them along first and second propagation paths, respectively. One of the propagation paths has a plasmonic-beam interaction region adapted to controllably change the phase of the corresponding split beam within that interaction region in response to an SP control signal applied thereto. The plasmonic device further has an SP beam mixer adapted to receive the first and second beams from their respective propagation paths and to mix them to produce an SP output signal. In various configurations, the plasmonic device can operate as a plasmonic-signal amplifier, a plasmonic-beam router, a 1×2 plasmonic-beam switch, and/or a plasmonic modulator.08-06-2009
20090195781BIOLOGICAL INFORMATION MEASURING SENSOR - A biological information measuring sensor (08-06-2009
20090195783SURFACE PLASMON RESONANCE SENSOR CHIP - A surface plasmon resonance sensor chip includes: a first dielectric layer; a metal layer disposed on the first dielectric layer; and a second dielectric layer covering the metal layer, the chip being provided with an opening that makes a part of a surface on the side of the second dielectric layer of the metal layer be exposed, and allows a measurement sample and the surface on the side of the second dielectric layer to contact each other, wherein an organic molecule film is provided at least one of between the first dielectric layer and the metal layer, and between the metal layer and the second dielectric layer.08-06-2009
20090273786Stamp Identification Device - The invention relates to a device for the automatic identification of stamps (11-05-2009
20110267622SURFACE PLASMON RESONANCE SENSOR - An SPR sensor comprising a thin conducting layer comprising at least one conductive element formed on a surface of a transparent substrate, a light source that illuminates an interface between the conducting layer and the substrate, a photosensitive surface that generates signals from light reflected from the interface, a flow cell formed with at least one flow channel having a lumen defined by a wall formed from an elastic material and from a region of the conducting layer, and at least one hollow fluid-providing flow control apparatus having a lumen and an orifice communicating with its lumen. Fluid flow is enabled between the flow channel and the lumen of the flow control apparatus by forcing an end of the flow control apparatus through the elastic material so that the orifice communicates with the flow channel lumen.11-03-2011
20090153869Biosensor - The present invention provides a biosensor for detecting the interaction of substances on a substrate based on surface plasmon resonance, the substrate having a metal film including approximately 90% by mol or more and less than approximately 99.95% by mol of Ag as a first metal element, and approximately 0.05% by mol or more and less than approximately 10% by mol of at lease one of Au, Pt, Cu, Bi, Nd, Ti or Sb as a second metal element.06-18-2009
20090141283MEASUREMENT APPARATUS - A measurement apparatus includes a dielectric block, a thin film layer formed on the dielectric block and brought into contact with a sample, a light source for generating a light beam, an optical incident system for causing the light beam to enter the dielectric block so that the light beam is totally reflected at the interface between the dielectric block and the thin film, and a two-dimensional light detection means for detecting the intensity of the light beam totally reflected at the interface. A predetermined pattern is formed within a region irradiated with the light beam on the dielectric block. The measurement apparatus includes a correction means for correcting an output from the two-dimensional light detection means, based on the pattern, so that an object on the face of the dielectric block is similar to the object detected by the two-dimensional detection means.06-04-2009
20080266570DETECTION AND LOCATION OF BREAKS IN DISTRIBUTED BRILLOUIN FIBER SENSORS - An apparatus for an optical time domain analyzer includes a pulsed laser source and a continuous wave (CW) laser source. The apparatus also has a computer readable memory for detection of a reflected pulse of an outgoing pulse from the pulsed laser source, the reflected pulse being reflected from a break in the fiber or an unterminated end of the fiber. In another embodiment, a computer program product having memory with computer readable code embodied therein is provided for determining a distance to a break or fiber end in an optical fiber. The computer program detects an outgoing pulse from a pulsed laser source in an optical time domain analyzer, detects a reflected pulse and determines the timing of the reflected pulse relative to the outgoing pulse.10-30-2008
20080266569NONCONTACT SURFACE FORM MEASURING APPARATUS - A noncontact form measuring apparatus emits a laser beam L. In the apparatus, a prism bends the laser beam into an X-axis direction, so that a Z-axis displacement of an objective optical system is converted by the prism into an X-axis displacement on a measurement coordinate system. A movement of an X-axis stage is converted into a Z-axis displacement on the measurement coordinate system. The apparatus moves an internal gear as a measurement object and the prism, reads X, Y, and Z coordinates at each focal point, and measures a three-dimensional form of inner teeth of the internal gear. The apparatus may translate the internal gear in a Y-axis direction, to measure a partial form of the inner teeth. The apparatus may turn the internal gear in an angular θ-direction, to measure a whole circumferential form of the inner teeth.10-30-2008
20080266568Voltage Sensor Capable of Contactless Voltage Measurement - A voltage sensor capable of single-point or simultaneous multi-point contactless voltage measurement has an electro-optic transducer, a surface plasmon resonance (SPR) and an optical system. The electro-optic transducer is operable to translate an electric field dependent on the voltage in a device under test field to a variation in refractive index. The surface plasmon resonance (SPR) transducer is juxtaposed with the electro-optic transducer and is operable to translate the variation in the refractive index of the electro-optic transducer to a variation in reflectivity. The optical system is configured to illuminate the SPR transducer with incident light at a surface plasmon resonance-inducing angle of incidence and to detect light reflected by the SPR transducer at a single point or at multiple points within a region.10-30-2008
20080266567PLASMON EXCITATION BY THE GAUSSIAN-LIKE CORE MODE OF A PHOTONIC CRYSTAL WAVEGUIDE - A sensor and method for surface plasmon resonance sensing, wherein a small variation of the refractive index of an ambient medium results in a large variation of loss of a sensing mode. The surface plasmon resonance sensor comprises an antiguiding waveguide including a core characterized by a refractive index and a reflector surrounding the core. The reflector has an external surface and is characterized by a band gap and a refractive index higher than the refractive index of the core. A coating is deposited on the external surface of the core, the coating defining with the ambient medium a coating/ambient medium interface. In operation, the coating is in contact with the ambient medium, and the antiguiding waveguide is supplied with an electromagnetic radiation to (a) propagate a mode for sensing having an effective refractive index lower than the refractive index of the core and higher than a refractive index of an ambient medium and (b) produce surface plasmons at the coating/ambient medium interface. The mode for sensing is phase-matched with the surface plasmons at a wavelength within the band gap and a variation of the refractive index of the ambient medium results in a variation of loss of the sensing mode to detect a characteristic of the ambient medium.10-30-2008
20100265510Device for recognizing and reporting fire phenomena with combustible materials - A device for detecting and reporting fire phenomena, particularly sparks in a gas stream that might be charged with solid particles and flows through a conveyance line uses a displacement body that extends longitudinally in the flow direction of the conveyance line. The displacement body is disposed on a shaft, and a deflector is disposed at one end of the displacement body, in front of a light-permeable ring, in the interior of which a reflector is disposed. By way of an adjustable mirror at the other end in the interior of the displacement body, a signal is reflected into the interior of the shaft. The device also includes an optical reception unit and an evaluation unit at the end of the shaft.10-21-2010
20100118308Composite Optical Focusing Devices - The present invention is an optical system, comprising: a light source for providing light rays; a combined two or more parabolic reflectors or elliptical reflectors having inner reflecting surfaces, wherein the reflectors sharing a common focal point, and a device-under-test is disposed thereabout the focal point; wherein the collimated light rays coming into the parabolic reflector parallel to the axis of symmetry of each parabolic reflector would be directed to the focal point on the surface of the device-under-test. The reflected light rays from the device-under-test are directed by the other parabolic reflectors along the axes of symmetry of each parabolic reflector and generate information indicative of the device-under-test; wherein the reflected light rays exit the reflector; and a detector for receiving the exited light rays.05-13-2010
20100277741COMBINED OPTICAL METROLOGY TECHNIQUES - A method and apparatus is disclosed for using below deep ultra-violet (DUV) wavelength reflectometry for measuring properties of diffracting and/or scattering structures on semiconductor work-pieces is disclosed. The system can use polarized light in any incidence configuration, but one technique disclosed herein advantageously uses un-polarized light in a normal incidence configuration. The system thus provides enhanced optical measurement capabilities using below deep ultra-violet (DUV) radiation, while maintaining a small optical module that is easily integrated into other process tools. A further refinement utilizes an r-θ stage to further reduce the footprint.11-04-2010
20090310139Detection of Substances - A method for detection of biological materials is described, comprising allowing a substance to be detected to bind to a ligand provided on the surface of a material within which light can undergo attenuated total internal reflection; transmitting light within the material; and detecting any bound substances by a change in light within or adjacent the material. Apparatus for performing the method is also described. The biological materials may be nucleic acids, or an antibody/antigen combination.12-17-2009
20110149290METHOD FOR EXAMINING AN OBJECT WITH THE AID OF A MICROSCOPE AND A MICROSCOPE FOR EXAMINING AN OBJECT - A microscope for examining an object includes a laser light source generating pulsed light so as to illuminate the object. A measuring system including a detector is adapted to detect detection light coming from the object and the measuring system generates a measurement signal based on the detection light. The microscope includes a programmable integrated circuit including a control element and at least one of a first delay element and a second delay element. The control element is configured to generate a first control signal adapted to control the detector and the measuring system. The control element is further configured to generate a second control signal adapted to control the laser light source. The first and second delay elements are configured to delay the first and second control signals, respectively.06-23-2011
20090296095SURFACE PLASMON RESONANCE SENSOR - An SPR sensor comprising a thin conducting layer comprising at least one conductive element formed on a surface of a transparent substrate, a light source that illuminates an interface between the conducting layer and the substrate, a photosensitive surface that generates signals from light reflected from the interface, a flow cell formed with at least one flow channel having a lumen defined by a wall formed from an elastic material and from a region of the conducting layer, and at least one hollow fluid-providing flow control apparatus having a lumen and an orifice communicating with its lumen. Fluid flow is enabled between the flow channel and the lumen of the flow control apparatus by forcing an end of the flow control apparatus through the elastic material so that the orifice communicates with the flow channel lumen.12-03-2009
20110267618PASSIVE REFLECTIVE TRACKING MEDIA COMPOSITIONS AND METHODS FOR COVERTLY TRACKING OBJECTS - A passive reflective tracking media includes a plurality of multi-layer particles including at least one layer of a high refractive index material and at least one layer of a low refractive index material. The particles are configured to reflect ambient electromagnetic radiation at one or more signature wavelengths. Methods of applying the tracking media to a target object, detecting the tracking media, and fabrication the tracking media are also described.11-03-2011
20090273788SYSTEM AND METHOD FOR INSPECTING SURFACES USING OPTICAL WAVELENGTH FILTERING - A system and method for daylight inspection of a surface, such as a railroad track, is disclosed. The disclosed system includes lasers, cameras, and a processor. The lasers are positioned adjacent the surface. The laser emits a beam of light across the surface at a combined intensity of at least 0.15 watts of intensity per inch of width of the surface, and the camera captures images of the surface having the beam of light emitted thereon. The camera includes a bandpass filter which passes only a band of light corresponding to a dip in solar radiation. The laser is selected to provide an emitted light beam which is more intense than the solar radiation at the dip. The processor formats the images so that they can be analyzed to determine various measurable aspects of the surface. The system and method includes one or more algorithms for determining these measurable aspects of the surface.11-05-2009
20090279095IMAGING OPTICAL UNIT, INSPECTION METHOD FOR THE SAME, AND IMAGE READING APPARATUS - Provided is an imaging optical unit used in an image reading apparatus for imaging image information on a photoelectric conversion element. The imaging optical unit includes a case and an imaging optical system having multiple reflecting members housed and disposed in the case. The reflecting member has a mirror surface for detecting assembly performance in the case on a side opposite to an optical surface for performing an imaging action. A light beam from a light source unit is projected to the mirror surface of the reflecting member and reflection light from the mirror surface is used for detecting one of a shift of posture and a distortion of the reflecting member.11-12-2009
20110170103NANOANTENNA AND USES THEREOF FOR BIOSENSING - A metal nanoantenna for use in a biosensing device is disclosed. The metal nanoantenna is arranged to exhibit at least two particle plasmon resonances or surface plasmon resonances (SPRs). The nanoantenna is for use in a sensor and allows detection at low concentration of biological components. In one aspect, the nanoantenna can have an asymmetric structural configuration and spectrally separated resonances. In one aspect, there is a location in its structure providing local electromagnetic field enhancement at all of the SPRs. The metal nanoantenna can be used for background free measuring of a quantity of a biological component.07-14-2011
20090147262APPARATUS WITH A COMBINATION OF A POINT LIGHT SOURCE AND A SINGLE LENS - An apparatus with a combination of a point light source and a single lens is provided. The present apparatus includes a point light source, a photodetector and a lens. The lens is placed in the same side of the point light source and the photodetector in order that the light emitting from the point light source is focused onto a target area of an object through the lens. The reflected light from the target area is focused onto the photodetector through the lens. The present apparatus can qualitatively and quantitatively monitor a content of a specific component of a tested solution. The geometric relationship of the point light source, the photodetector and the single lens can improve a measuring resolution of the present apparatus.06-11-2009
20090262355SURFACE PLASMON RESONANCE SYSTEM AND APPARATUS FOR INTERROGATING A MICROARRAY - According to an embodiment, an SPR analysis system includes a housing enclosing with a fluid supply volume substantially enclosed within the housing, a flow cell module configured to receive reagents and analyte from the fluid supply volume, and an enclosed optics assembly configured to interrogate a microarray portion of the flow cell module.10-22-2009
20090262354INSPECTION HEAD SUPPORTING STRUCTURE IN SURFACE INSPECTING APPARATUS AND SURFACE INSPECTING APPARATUS - A pair of angular contact bearings 10-22-2009
20090284746RADIATION DETECTORS USING EVANESCENT FIELD EXCITATION - A detection system (11-19-2009
20110205542Optical Sensors Including Surface Modified Phase-Change Materials for Detection of Chemical, Biological and Explosive Compounds - A sensor device includes an optical limiting structure including a metal layer with at least one metal particle having a size no greater than about 1500 nanometers, and a phase-change material layer disposed adjacent at least a portion of the metal layer, the phase-change material layer including a phase-change material, and a dendritic-metal layer disposed over at least a portion of the phase-change material layer of the optical limiting structure, the dendritic-metal layer including an organic compound including branching chain amino acid groups attached to a metal structure. The optical limiting structure is configured to transition from a first optical state to a second optical state when the phase-change material is heated above a critical temperature, with transmittance of light at a predetermined wavelength through the optical limiting structure being lower at the second optical state of the optical limiting structure in relation to the first optical state of the optical limiting structure.08-25-2011
20100220330OPTICAL RESONANCE ANALYSIS USING A MULTI- ANGLE SOURCE OF ILLUMINATION - An SPR or other optical resonance based analysis system in which, light is provided at multiple angles to a specimen and then the light modified by the specimen is processed to select only some of the light. Optionally, the processing selects light at a particular incidence angle. Optionally, the detection is by imaging of the light on a 2D imager array.09-02-2010
20100220329OPTICAL DETECTION OF A COMPONENT FOR AN ELECTRONIC DEVICE - A system and method for optically identifying a component coupled to an electronic device is provided. The method includes emitting light from within the device toward a surface of a component connector inserted into a receiving socket of the device. A light sensor senses the intensity, amplitude or wavelength of light reflected from a surface of the component connector. A processor of the device identifies the component based on the intensity, amplitude or wavelength of light reflected from a surface of the component connector. The processor modifies at least one setting of the electronic device in response to the identification of the component.09-02-2010
20100277739METHOD AND APPARATUS FOR DETECTING CONTAMINATES ON A HARD SURFACE - A method and apparatus for detecting small particulate matter and contaminants on hard surfaces.11-04-2010
20100277740OPTOELECTRONIC METHODS AND DEVICES FOR DETECTION OF ANALYTES - Herein are disclosed optoelectronic methods and devices for detecting the presence of an analyte. Such methods and devices may comprise at least one sensing element that is responsive to the presence of an analyte of interest and that may be interrogated optically by the use of at least one light source and at least one light detector.11-04-2010
20110205543Gas Sensor, Method for Optically Measuring the Presence of a Gas Using the Gas Sensor, and Gas Sensing System - The present disclosure relates to a gas sensor including a first layer and a second layer superimposed on each other along an interface between the two layers. The first layer includes an array of nanoparticles along the interface, the nanoparticles provided so as to allow, upon illumination with electromagnetic radiation, long range diffractive coupling of surface plasmon resonances resulting in a surface lattice resonance condition. The second layer includes a material that, when exposed to at least one predetermined gas, detectably affects the surface lattice resonance condition. The material of the second layer preferably has a porosity of at least 10%.08-25-2011
20100277738Visualized plasmon resonance biodetector - The present invention discloses a visualized plasmon resonance biodetector, which utilizes the surface plasmon resonance to detect a plurality of biochemical molecules, and which comprises a substrate, a silver-gold dual-layer structure, and a visible light source. The silver-gold dual-layer structure is formed on the substrate. In a test, a biochemical molecule combines with the silver-gold dual-layer structure, and the visible light source emits a visible light to illuminate the substrate. Thus, the silver-gold dual-layer structure on the substrate generates surface plasmon resonance and a reflected light. The user can use his naked eyes to discriminate the reflected lights and learn the component and concentration of the biochemical molecule. Therefore, the present invention can provide a low-cost and easy-to-operate detection instrument for biotests.11-04-2010
20110199613METHOD FOR MANUFACTURING OPTICAL DEVICE, OPTICAL DEVICE, AND BIOLOGICAL INFORMATION DETECTOR - An optical device comprises a substrate having a first surface and a second surface being opposite the first surface; a light-emitting element having a first center, installed on the second surface; and a light-receiving element having a second center, installed on the first surface. At least a part of the light-emitting element is arranged at a position, overlapping the light-receiving element with respect to a plan view; the light-receiving element, installed after the light-emitting element, has a bonding pad, provided at a position displaced relative to the second center towards a first direction with respect to the plan view; and the first center is provided at a position displaced relative to the second center towards a second direction, being opposite the first direction DR08-18-2011
20080278728Optical Sensing Based on Surface Plasmon Resonances in Nanostructures - Devices and techniques for using nanostructures such as nanohole metal films to construct SPP sensors for sensing various substances.11-13-2008
20080291453Surface Plasmon Resonance Phenomenon Measuring Equipment - The present invention discloses surface plasmon resonance phenomenon measuring equipment comprising: 11-27-2008
20100128274TOTAL REFLECTION ILLUMINATED SENSOR CHIP - A total reflection illuminated sensor chip is employed to detect a target substance, by: supplying a sample containing the target substance onto a detecting portion formed on a surface of a dielectric prism, irradiating a measuring light beam onto the interface between the prism and the detecting portion through a transmitting surface of the prism such that conditions for total reflection are satisfied, and utilizing evanescent waves generated at the detecting portion. The sensor chip includes a protective member for protecting the transmitting surface. The protective member is provided a predetermined distance away from the transmitting surface to form a transmitting space, which is open at least toward the downward direction. The sensor chip is configured such that the interface can be irradiated by the measuring light beam that enters the transmitting space from below the transmitting space and passes through the transmitting surface.05-27-2010
20080309943MODULATED REFLECTANCE MEASUREMENT SYSTEM WITH MULTIPLE WAVELENGTHS - A modulated reflectance measurement system includes three monochromatic diode-based lasers. Each laser can operate as a probe beam or as a pump beam source. The laser outputs are redirected using a series of mirrors and beam splitters to reach an objective lens. The objective lens focuses the laser outputs on a sample. Reflected energy returns through objective and is redirected by a beam splitter to a detector. A lock-in amplifier converts the output of the detector to produce quadrature (Q) and in-phase (I) signals for analysis. A Processor uses the Q and/or I signals to analyze the sample. By changing the number of lasers used as pump or probe beam sources, the measurement system can be optimized to measure a range of different samples types.12-18-2008
20080204756EDGE NORMAL PROCESS - An edge inspection method for detecting defects on a wafer edge normal surface includes acquiring a set of digital images which captures a circumference of the wafer. An edge of the wafer about the circumference is determined. Each digital image is segmented into a plurality of horizontal bands. Adjacent edge clusters about the circumference of the wafer are combined into edge pixel bins. The edge pixel bins are analyzed via edge clusters analysis to identify defects. The edge pixel bins are also analyzed via blob analysis to determine defects.08-28-2008
20110267619CAPTURING REFLECTED LIGHT FROM A SAMPLING SURFACE - A mechanism is disclosed for capturing reflected rays from a surface. A first and second lens aligned along a same optical center axis are configured so that a beam of light collimated parallel to the lens center axis directed to a first side, is converged toward the lens center axis on a second side. A first light beam source between the first and second lenses directs a light beam toward the first lens parallel to the optical center axis. Second light beam source(s) on the second side of the first lens, direct a light beam toward a focal plane of the first lens at a desired angle. An image capturing component, at the second side of the second lens, has an image capture surface directed toward the second lens to capture images of the light reflected from a sample capture surface at the focal plane of the first lens.11-03-2011
20120092674Determination of Electromagnetic Properties of Samples - Disclosed are methods and devices for measuring electromagnetic properties of samples. In one embodiment, a device is disclosed that includes a substantially two-dimensional measurement chamber comprising a reflective surface, where the reflective surface has a substantially elliptical shape that forms a part of an ellipse having a first focal point and a second focal point. The device further includes an input/output port located at the first focal point and a sample holder located at the second focal point.04-19-2012
20090079988APPARATUS AND METHOD FOR DETECTING TARGET SUBSTANCE, OR DEVICE USED FOR THESE APPARATUS AND METHOD - An object of the present invention relates to detecting a target substance with high contrast. The invention relates to analysis of a target substance using a light-transmitting substrate and a metal for inducing plasmon resonance, and further using a low refractive index layer with an opening portion, which forms an interface with the substrate, and which has a lower refractive index than the substrate. Light emitted from a substrate side is totally reflected at the interface to irradiate the metal arranged in the opening portion with evanescent light. Light generated from the target substance by plasmon resonance of the evanescent light is detected. According to the invention, the radiation of evanescent light to a martial other than the target substance can be reduced, and thereby light emission from the martial other than the target substance, e.g., a molecule floating around the target substance, can be reduced.03-26-2009
20090128822TARGET SUBSTANCE DETECTING DEVICE, TARGET SUBSTANCE DETECTING METHOD USING THE SAME, AND DETECTING APPARATUS AND KIT THEREFOR - A target substance detecting device, which is a device that has a substrate, a structure disposed on a substrate surface in isolation using a metal, and a target substance trapping substance disposed on the structure, and which is for detecting a target substance using localized plasmon resonance, characterized in that the above-mentioned structure is constructed by stacking at least two metal layers, sandwiching a non-conductive layer between the metal layers.05-21-2009
20110267621SURFACE PLASMON RESONANCE SENSOR, LOCALIZED PLASMON RESONANCE SENSOR, AND METHOD FOR MANUFACTURING SAME - A surface plasmon resonance sensor includes a substrate, a dielectric film having a nonlinear optical effect on a first surface of the substrate, and a probe fixed to the dielectric film. A plasmon resonance is produced by resonating a surface plasmon generated on the first surface of the substrate with an evanescent wave generated on a second surface of the substrate by incident light radiated to the second surface. The plasmon resonance is detected by measuring a change of a component of light reflected on the second surface of the substrate. The component of the reflected light is caused by the nonlinear optical effect. This surface plasmon resonance sensor has a high measuring sensitivity.11-03-2011
20110267620ARC FLASH DETECTION SYSTEM AND METHOD - A sensor to simultaneously detect light and acoustic waves is presented. The sensor includes one or more optical fibers and a diaphragm disposed near one end of at least one of the one or more optical fibers. The diaphragm is configured to vibrate upon incidence of acoustic waves from an arc flash and reflect a light beam into at least the one of the one or more of the optical fibers. A semi-transparent region is disposed around the one or more optical fibers to diffuse light originating from the arc flash into at least one of the one or more optical fibers.11-03-2011
20090128823Reflectance measuring apparatus - A reflectance measuring apparatus is provided in the present invention. In addition to measuring the intensity of light directly reflected from a sample, the apparatus is further capable of collecting large-angle reflected light scattered from the sample through a reflecting cover disposed over the sample and measuring the intensity thereof. In one embodiment, the reflecting cover has a parabolic surface for modulating the large-angle reflected light to become parallel light projecting onto a photo-detector. In another embodiment, the reflecting cover has an elliptic surface for modulating the large-angle scattered light to focus on the photo-detector.05-21-2009
20090161109OPTICAL SENSOR FOR DETECTING MOISTURE ON A WINDOW OF A MOTOR VEHICLE - In order also to allow the detection, for example, of condensation of the inner side of an interface (window) using motor-vehicle rain sensors that exploit the interference, at a window wetted with moisture, with total reflection of light irradiated by a transmitter, several sensors are proposed that are sufficiently variable in terms of configuration and function that they contain, without complex adaptation actions, an implementable possibility for selectable inside/outside detection simultaneously with good discrimination between outside and inside wetting.06-25-2009
20090168068Coated metal surface on solid support for displacement reactions - A coated metal surface on a solid support, wherein the coating consists of a self-assembled monolayer (SAM) of oligo(ethylene glycol)-terminated amide group-containing alkyl thiols firmly attached to the metal surface via the thiol-end and low molecular weight antigens bound via an amide-group to the SAM-forming OEG molecule, wherein the alkyl portion has 1-20 methylene groups, wherein the oligo(ethylene glycol) portion has 1-15 ethylene oxy units, and wherein the antigens, such as explosives and narcotics, are optionally reversibly bound to antibodies specific for the antigens, is disclosed. The coated metal surface on a solid support may be used in a method of detecting analyte antigens as part of an analysis device, such as a Piezoelectric Crystal Microbalance device or a Surface Plasmon Resonance biosensor, for detection in an aqueous solution of an analyte antigen with higher affinity to an antibody than the antigen of the coating by monitoring the displacement of the antibody from the coating.07-02-2009
20130120752FIBER-OPTIC SURFACE PLASMON RESONANCE SENSOR AND SENSING METHOD USING THE SAME - A fiber-optic surface plasmon resonance sensor may include an optical fiber and a surface plasmon excitation layer. The optical fiber may include a core, a cladding surrounding the core, and a depression. The surface plasmon excitation layer may include a first excitation layer, a second excitation layer and an optical waveguide layer between the first excitation layer and the second excitation layer. Incident light incident through the core may be coupled to the surface plasmon excitation layer at a specific angle of incidence and wavelength satisfying the surface plasmon resonance condition. Depending on the polarizing direction of the incident light, an s-polarized component may be coupled to the guided-wave mode in the optical waveguide layer constituting the surface plasmon excitation layer.05-16-2013
20120069342MEMS Microdisplay Optical Imaging and Sensor Systems for Underwater Scattering Environments - An imaging or sensor system comprises a transmitter assembly, a receiver assembly and a control unit. The transmitter assembly defines an outgoing optical beam transmission path with respect to a target surface and the receiver assembly defines a return optical signal transmission path from the target surface. Each of the paths includes transmission through or reflection from at least one microdisplay device comprising a plurality of controllable elements for selective placement in a transmit mode for transmission of light along the transmission paths. A control unit selectively places the microdisplay device elements in the transmission mode.03-22-2012
20120069341Extended Range Optical Imaging System for use in Turbid Media - An extended range optical imaging system and method for use in turbid media generates a beam of coherent light, modulates the beam of coherent light to encode scan information, directs the modulated beam of coherent light from a first location through the turbid medium toward a target, scans the modulated beam of coherent light over the target in a pattern, according to the scan information, to illuminate the target and to cause light to be reflected, detects the modulated light reflected from the target with a sensor at a second location in the turbid medium to derive an output signal that varies in proportion to the modulated reflected light, demodulates the output signal to derive information comprising the scan information, and constructs an image from the output signal and the scan information so derived.03-22-2012
20090185189OPTOELECTRONIC PROBE SYSTEM WITH ALL-OPTICAL COUPLING - An optoelectronic probe system with all-optical coupling includes an optoelectronic measuring console coupled with an optoelectronic probe via an optical connector. A supplemental optical signal having an operative wavelength other than an operative wavelength of the regular optical part of the optoelectronic measuring console is communicated to the optoelectronic probe along with the output signal from the optoelectronic measuring console. The supplemental optical signal is then selected by a wavelength-division multiplexer, converted to an electrical signal and used for powering respective components of the optoelectronic probe. Auxiliary signals are also used for identification and storing calibration parameters of the optoelectronic probe, counting events, such as number of sessions used, time in use, and the like.07-23-2009
20110222066Assembly With Absorbing Sensor Layer - The invention relates to an assembly for detecting the presence of a target based on a detection of a resonance associated to surface polaritons, such as long-range surface exciton polaritons (LRSEP). The invention relates to an assembly to be used in connection with a bio-sensor. The assembly comprising a carrier substrate (09-15-2011
20090002711Broad band referencing reflectometer - A spectroscopy system is provided which is optimized for operation in the VUV region and capable of performing well in the DUV-NIR region. Additionally, the system incorporates an optical module which presents selectable sources and detectors optimized for use in the VUV and DUV-NIR. As well, the optical module provides common delivery and collection optics to enable measurements in both spectral regions to be collected using similar spot properties. The module also provides a means of quickly referencing measured data so as to ensure that highly repeatable results are achieved. The module further provides a controlled environment between the VUV source, sample chamber and VUV detector which acts to limit in a repeatable manner the absorption of VUV photons. The use of broad band data sets which encompass VUV wavelengths, in addition to the DUV-NIR wavelengths enables a greater variety of materials to be meaningfully characterized. Array based detection instrumentation may be exploited to permit the simultaneous collection of larger wavelength regions.01-01-2009
20080316490Planar surface plasmon resonance detector - The present invention discloses a planar surface plasmon resonance detector, wherein a periodic metallic grating structure is arranged on a common glass substrate to replace prisms and generate surface plasmon resonance. The shift of the wavelength or incident angle for surface plasmon resonance is used to detect biochemical molecules. Further, a low-cost white light-emitting diode replaces laser to function as a light source. Via the metallic grating structure and the white light-emitting diode, the present invention can facilitate a low-cost, compact and portable planar surface plasmon resonance detector and popularize the planar surface plasmon resonance detector.12-25-2008
20090251701Mounting apparatus, inspecting apparatus, inspecting method, and mounting method - A mounting apparatus includes a coating unit, an acquiring portion, a judging portion, and a mounting mechanism. The coating unit coats a first region of a coating target component as a coating target region with a coating agent. The acquiring portion acquires first luminance information of the first region before being coated by the coating unit and second luminance information of the first region after being coated by the coating unit. The judging portion judges a quality of a coating state of the coating agent in the first region by comparing the first luminance information and the second luminance information. The mounting mechanism mounts, on a mounting target object, the coating target component judged by the judging portion that the coating state in the first region is favorable.10-08-2009
20090015840MINIATURE SURFACE PLASMON RESONANCE SENSOR CHIP - The present invention provides a miniature surface plasmon resonance sensor chip that produces a plane light source with an organic optoelectronic material by an electro-luminescence method and excites a surface plasmon resonance wave to observe a signal variation at the surface of a sensor chip caused by the combining condition of surface bio-molecules and provide a more accurate miniature sensor in conformity with micro-channel.01-15-2009
20090086210SURFACE PLASMON RESONANCE SENSORS AND METHOD FOR DETECTING SAMPLES USING THE SAME - Disclosed is an optical sensing device including a source unit providing a beam of light with continuously modulated phase retardation between p- and s-polarization components of the light by employing a LCM; a reference unit receiving a first part of the light to provide a reference signal; a SPR sensing unit receiving a second part of the light to induce a phase retardation change between the p- and s-polarization components due to SPR associated with a sample; a probe unit receiving the light after SPR to provide a probe signal; and a detection unit connected to the reference unit and the probe unit to detect characteristics of the sample by comparing the reference signal with the probe signal. By using active phase modulation technologies and differential phase measurement, it is possible to fulfill chemical and biological detection.04-02-2009
20090079986METHOD AND DEVICE FOR OBJECT DETECTION IN THE CASE OF A VEHICLE - A method and device for object detection in the case of a vehicle equipped with an object-detection system, the object-detection system emitting electromagnetic radiation and receiving radiation reflected off objects within the detection range, and the radiation reflected off a detected object, which was additionally reflected off an object extending along the roadway, is analyzed. The analysis consists of a plausibilization in which the directly measured object reflections are verified using the indirect object reflections, or in that the analysis consists of utilizing the indirect object reflections for the further object detection if reflections from a previously detected object are no longer measurable.03-26-2009
20090086211Optical measurement apparatus - In optical measurement utilizing total reflection, various types of measurement are selectively performed. The invention provides an optical measurement apparatus using total reflection, including a light source, a measurement optical system, and a light detector. The measurement optical system is an infinity-corrected positive lens formed of an optical member having a planar surface orthogonal to an optical axis of the measurement optical system at a front focal position. One side of the optical axis of the measurement optical system is used as a projection optical system for radiating measurement light onto a specimen, and another side is used as a photometric optical system for acquiring reflected light from the specimen. The light source is disposed at an entrance pupil position on the projection optical system side or at a position conjugate to the entrance pupil position and moves in an entrance pupil plane or in a plane conjugate to the entrance pupil position, along a straight line orthogonal to the optical axis, while a distance from the optical axis is detected. The light detector is disposed at an exit pupil position on the photometric optical system side or at a position conjugate to the exit pupil position. The optical-measurement apparatus comprises a light-source changing unit configured to change the position or shape of the light source.04-02-2009
20090097032SURFACE PLASMON RESONANCE DETECTING APPARATUS AND METHOD THEREOF - A surface plasmon resonance (SPR) detecting apparatus which controls the flow of fluid without using an additional pressure difference or pump is provided. The SPR detecting apparatus includes a detection chip, a fluid driving chip and an optical device. The fluid driving chip has a plurality of electrodes disposed on the flow space of the fluid. The angle between the liquid and a contact surface is changed by electrifying the electrodes, and the electrodes are turned on and turned off sequentially such that the droplets are controlled to move. The optical device is used to detect surface plasmon resonance phenomenon and to determine the interaction of the droplets and the detecting chip.04-16-2009
20110228278UV-VIS ATR SHORT PATHLENGTH SPECTROSCOPY OF PRINTING INKS - A spectroanalytic system and process for analyzing the absorption properties of highly absorbing viscous materials is disclosed. The measurement probe includes a UV-VIS optical system. A single crystal is shaped so that the light enters the crystal perpendicular to its surface and is Incident on the back face at an angle of 45 degree or greater and the reflected light is collected and channeled to a detector system. This system provides an attenuated total reflectance measurement with minimal reflection points wherein the total path length is comparable with a typically printed offset ink film (0.7-1.3 micron). The total absorption process path length depends only on the refractive index of the chosen crystal and on the angle of incidence of the single reflection. High refractive index materials, like diamond, have path lengths of 50 nm, and an economical material such as cubic zirconium provides a path length of 0.1 micron.09-22-2011
20080316492Optical motion identification device utilizing partial total internal reflection light source and/or partial non-total internal reflection light source - An optical motion identification device utilizing partial total internal reflection light source and/or partial non-total internal reflection light source includes a light-emitting member, a code member and a light-sensing unit. The light-emitting member generates projecting light beams. The code member receives the projecting light beams generated by the light-emitting member at different angles and positions, and the code member has many total internal reflection surfaces in order to make the projecting light beams form many partial total internal reflection beams and a plurality of partial non-total internal reflection beams. The light-sensing unit disposes beside the code member for detecting the light intensity distribution of the partial total internal reflection beams and/or the partial non-total internal reflection beams projected on the light-sensing unit in order to determining a direction, a displacement, or a rotation angle of a movement of the code member relative to the light-emitting member or the light-sensing unit.12-25-2008
20090103098Method and Composition for Identification - This invention relates to a method for the identification of an article, the method including the step of applying at least one identification particle to the article, wherein the identification particle on the article is not evident to the casual observer, but is evident on close inspection of the article, preferably with the naked eye. The identification particle is less than 500 microns in size and is reflective and has lustre. The reflective particle is not evident to the casual observer, but the sparkle thereof picked up by the naked eye on careful inspection.04-23-2009
20110222064OBJECT DETECTING DEVICE AND INFORMATION ACQUIRING DEVICE - An information acquiring device includes a laser light source which emits light in a predetermined wavelength region; a projection lens which projects the light from the laser light source toward a targeted area; an image sensor which receives reflected light reflected from the targeted area to output a signal; and an imaging lens which guides the reflected light to the image sensor; a filter which transmits the light from the laser light source; and an actuator which inclines the filter. A filter controlling circuit inclines the filter in such a direction as to approximate a transmissive wavelength region of the filter to the wavelength region of the light from the laser light source.09-15-2011
20090213383APPARATUS AND METHOD FOR DETECTING ONE OR MORE SUBSTANCES - Several embodiments of a method of detecting a substance are disclosed herein.08-27-2009
20090219539OPTICAL ANALYSIS SYSTEM FOR DYNAMIC REAL-TIME DETECTION AND MEASUREMENT - A method of real-time processing and monitoring comprises the steps of blending a material of interest (e.g., an active pharmaceutical material), with a secondary material, (e.g., an excipient), illuminating the blended materials with light, reflecting light carrying information about the blended materials through at least one multivariate optical element (09-03-2009
20090219538METHOD OF HIGH-SPEED MONITORING BASED ON THE USE OF MULTIVARIATE OPTICAL ELEMENTS - A method of high-speed processing and monitoring of a product, such as a pharmaceutical powder or tablet, comprises: moving the product (C) past an inspection station; illuminating at least a portion of the product with light; spectrally filtering a first portion of light carrying information about the product, o.g., transmitted or reflected light, by passing said first portion through at least one multivariate optical element (09-03-2009
20090237668Detecting a target using an optical augmentation sensor - In one embodiment, detecting a target includes directing a laser beam towards an area and detecting the laser beam reflected from the area. Whether the received laser beam comprises an optically augmented reflection indicating retro-reflection from a target is determined. The target indicates presence of an explosive device. The target is detected if the received laser beam comprises the optically augmented reflection.09-24-2009
20120105857HIGH SENSITIVITY LOCALIZED SURFACE PLASMON RESONANCE SENSOR AND SENSOR SYSTEM USING SAME - The present invention relates to a high sensitivity localized surface plasmon resonance sensor and to a sensor system using same, the sensor comprising: a first metal layer including a first metal; a second metal layer arranged parallel to the first metal layer and including a second metal; and a conductive cross-linking layer disposed between the first metal layer and the second metal layer, and made of a third metal with a corrosion response that is different than that of the first metal and of the second metal.05-03-2012
20120105855DIFFRACTIVE OPTICAL ELEMENT AND MEASUREMENT INSTRUMENT - A diffractive optical element includes: a first diffractive element in which a plurality of basic units are two-dimensionally arranged; and a second diffractive element in which a plurality of basic units are two-dimensionally arranged, wherein when a direction in which the basic units are arranged in the first diffractive element is a first direction, a direction in which the basic units are arranged in the second diffractive element is a second direction, an angle φ between the first direction and the second direction is such that −|φ05-03-2012
20120105854SURFACE PLASMON FOUR-WAVE MIXING MICROSCOPY - Laser pulses are applied to surface plasmon resonant articles such as gold nanoparticles within a microscopy sample to generate a four-wave mixing signal that is detected as the output of the microscopy process.05-03-2012
20120105853SENSING DEVICES AND TECHNIQUES USING 3-D ARRAYS BASED ON SURFACE PLASMON EXCITATIONS - Techniques, apparatus, material and systems are described for implementing a three-dimensional composite mushroom-like metallodielectric nanostructure. In one aspect, a surface plasmon based sensing device includes a substrate and a layer of an anti-reflective coating over the substrate. The surface Plasmon based sensing device includes a dielectric material on the anti-reflective coating shaped to form a 2-dimensional array of nanoholes spaced from one another. Also, the surface Plasmon based sensing device includes a layer of a metallic film formed on the 2-dimensional array of nanoholes to include openings over the nanoholes, respectively, wherein the sensing device is structured to support both propagating surface plasmon polariton (SPP) waves and localized surface plasmon resonant (LSPR) modes.05-03-2012
20090257062Device and Method For Optical Localized Plasmon Sensing - A device is presented comprising a multi-layer structure with a plurality of metal islands on the surface of a solid transparent substrate. The islands are coated by an ultrathin sol-gel derived silica film via self-assembled monolayer.10-15-2009
20100231914SURFACE PLASMON RESONANCE SENSOR USING ROTATING MIRROR - Disclosed is a surface plasmon resonance sensor having a rotating mirror, including (a) an incident light source unit for oscillating a laser as incident light; (b) a polarizer for polarizing the incident light; (c) a rotating mirror having cylindrical or planar shapes for reflecting the polarized incident light to radiate disk-shaped light; (d) a light shielding film for allowing part of the disk-shaped light to pass therethrough and located adjacent to the central axis of the rotating mirror; (e) a cylinder lens for focusing the light passed through the light shielding film thereon; (f) a metal thin film for receiving the light focused on the cylinder lens to generate surface plasmon resonance; (g) a dielectric medium provided under the metal thin film; and (h) a detector for detecting the light reflected from the metal thin film. This surface plasmon resonance sensor can solve conventional interference problems of a laser being used as a light source to obtain an image for measurement of angle and two-dimensional reflected light intensity, including the deterioration of the quality of the image and the variation in the intensity of light source depending on the position of incidence.09-16-2010
20090316155Reflection Type Encoder, Scale Thereof and Method for Producing Scale - A reflection type encoder, which receives a plurality of light-receiving signals from a single scale, includes a light source, a scale having a plurality of patterns formed thereon to which light is irradiated from the light source, and a light-receiving element for receiving light reflected from each of the plurality of patterns, wherein a plurality of patterns each having different thicknesses are formed on a single track of the scale by using a dielectric substance, light of a plurality of wavelengths each having different brightnesses in accordance with differences in the thickness of the dielectric substance is irradiated from the light source, and a light-receiving signal is obtained for the respective thicknesses of the dielectric substance. Therefore, the scale can be downsized by overlapping a plurality of patterns on the same track.12-24-2009
20090316156METHOD FOR ESTIMATING REFLECTANCE - A reflectance of a color shifted painting color is also measured conveniently.12-24-2009
20100149540Novel Chips for Surface Plasmon (SPR) Detection - The Invention relates to a method for producing a solid support coated by a metal Layer to which an SiO06-17-2010
20100002236METHOD FOR DETERMINING THE DOPING PROFILE OF A PARTIALLY ACTIVATED DOPED SEMICONDUCTOR REGION - A method is disclosed for determining the inactive doping concentration of a semiconductor region using a PMOR method. In one aspect, the method includes providing two semiconductor regions having substantially the same known as-implanted concentration but known varying junction depths. The method includes determining on one of these semiconductor regions the as-implanted concentration. The semiconductor regions are then partially activated. PMOR measures are then performed on the partially activated semiconductor regions to measure (a) the signed amplitude of the reflected probe signal as function of junction depth and (b) the DC probe reflectivity as function of junction depth. The method includes extracting from these measurements the active doping concentration and then calculating the inactive doping concentration using the determined total as-implanted concentration and active doping concentration. The method may also include extracting thermal diffusivity, refraction index, absorption coefficient, and/or SRHF lifetime from these measurements.01-07-2010
20100157306APPARATUS AND METHOD FOR DETECTING SURFACE PLASMON RESONANCE - Disclosed are an apparatus and a method for detecting a surface plasmon resonance. The apparatus may radiate a polarized beam of light to a device, such as a surface plasmon resonance generator, and may measure variations in a temperature of the device to detect whether a surface plasmon resonance has occurred. The detection of a surface plasmon resonance may be associated with the presence of a particular material such as volatile organic compounds (VOCs) or materials disrupting ozone, for example.06-24-2010
20100157305IN-LINE SELF SPACING OPTICAL SENSOR ASSEMBLY FOR A PRINTER - An in-line optical sensor assembly that measures optical reflection density on a printed sheet horizontally conveyed and supported by a paper transport section of a printer is provided. The sensor assembly includes a densitometer having frame provided with a pair of tapered blades that engage the moving printed sheet, a light source disposed on said frame that illuminates a portion of said printed sheet at a continuous intensity, and a photo-detector mounted on the frame and positioned to receive light from the light source that is reflected off said printed sheet. The optical sensor assembly also includes a mounting that floatably mounts the densitometer in a position over the printed sheet. The mounting can be formed from an opening in a cover plate of the paper transport section that slidably receives the densitometer such that the pair of tapered blades continuously engages the moving sheet in ski-like fashion due to the weight of the densitometer. The floating mounting arrangement maintains a constant, predetermined distance between the photo-detector of the densitometer and the illuminated portion of the moving printed sheet regardless of vertical movement of the printed sheet within said paper transport section.06-24-2010
20080316493SURFACE REFLECTION ENCODER SCALE AND SURFACE REFLECTION ENCODER USING THE SAME - A surface reflection encoder scale is used with a surface reflection encoder for detecting a relative movement amount of a member for making a relative move. The surface reflection encoder scale includes a substrate of the member or a substrate provided on the member and a reflection phase grating provided on the substrate and having asperities for changing a phase of reflected diffracted light on its surface. The asperities of the phase grating are formed of a deposition film of metal silicide and chromium.12-25-2008
20100014088Analytical System Comprising An Arrangement For Temporally Variable Spatial Light Modulation And Detection Method Executable Therewith - The invention relates to an analytical system and to a method performed therewith for generating and metering optical signals and/or the variations thereof from metering ranges, which are arranged in a one-dimensional or two-dimensional array on a substantially optically transparent sensor platform (01-21-2010
20100165346APPARATUS FOR DETECTING A SAMPLE - An apparatus for effectively detecting and calibrating a sample of examination system. The apparatus has an optics-electricity assembly for detecting the sample by a light and an elastically supporting assembly for providing motion freedoms to adjust the relative geometric conditions between the optics-electricity assembly and the sample. The elastically supporting assembly has a planer structure and a cubic structure, and provides both motion freedoms on a plane and motion freedoms vertical to the plane. The optics electricity assembly could analyze the received reflected light to get geometric information of the sample, and could adjust the light used to detect the sample.07-01-2010
20100182607Fiber-optic localized plasmon resonance sensing device and system thereof - The present invention discloses a fiber-optic localized plasmon resonance (FO-LPR) sensing device and a sensing system thereof, the FO-LPR sensing system includes a light source, a FO-LPR sensing device and a detector, and the light source provides a light beam entered into the FO-LPR sensing device, and the detector generates a detected signal according to an emergent light from the FO-LPR sensing device. The FO-LPR sensing device includes an optical fiber, a noble metal nanoparticle layer and a filter film layer. The filter film layer is having a porous material, and the porous material comes with a pore diameter or a property selected according to a feature of a sample, while an interfering substance in the sample is isolated.07-22-2010
20100188664SUB-MICRON SURFACE PLASMON RESONANCE SENSOR SYSTEMS - A sensor for detecting the presence of a target analyte, ligand or molecule in a test fluid, comprising a light transmissive substrate on which an array of surface plasmon resonant (SPR) elements is mounted is described. A multi-channel sensor for detecting the presence of several targets with a single micro-chip sensor is described. A multi-channel sensor including collections of SPR elements which are commonly functionalized to one of several targets is also described. The detectors sense changes in the resonant response of the SPR elements indicative of binding with the targets.07-29-2010
20100188663SUB-MICRON SURFACE PLASMON RESONANCE SENSOR SYSTEMS - A sensor for detecting the presence of a target analyte, ligand or molecule in a test fluid, comprising a light transmissive substrate on which an array of surface plasmon resonant (SPR) elements is mounted is described. A multi-channel sensor for detecting the presence of several targets with a single microchip sensor is described. A multi-channel sensor including collections of SPR elements which are commonly functionalized to one of several targets is also described. The detectors sense changes in the resonant response of the SPR elements indicative of binding with the targets.07-29-2010
20100253947OPTICAL INSPECTION APPARATUS - An optical inspection apparatus capable of adjusting an incident angle of a detected light beam and adjusting a detecting angle for detecting the detected light beam. A driving mechanism is used to actuate two arms having a light source and a detector disposed thereon respectively to conduct a relative movement between the two arms so as to control the incident angle and the detecting angle. By means of the embodiments, mechanism for adjusting the angle is simplified so that the apparatus is capable of being adapted to combine with the application of micro sensors such that practicality of modularization design and microminiaturization and convenience of operation are capable of being greatly improved and that the cost can be reduced.10-07-2010
20100188662SURFACE TENSION MEASURING DEVICE AND METHOD - Low-cost interface property measuring device and method enabling high-precision and simple measurement of an interface property. The interface property measuring device comprises an optical fiber probe (07-29-2010
20090219540OPTICAL INTERROGATION SYSTEM AND METHOD FOR USING SAME - An optical interrogation system and a method are described herein that enable the interrogation of one or more biosensors which can be located within the wells of a microplate. In one embodiment, the optical interrogation system has a tunable laser, N-fiber launches, N-lenses and N-detectors that are set-up to interrogate N-biosensors. In another embodiment, the optical interrogation system has a tunable laser, N-fiber launches, N+1 lenses and N-detectors that are set-up to interrogate N-biosensors.09-03-2009
20100128272METHOD FOR DETECTING SURFACE PLASMON RESONANCE - There is disclosed a method and system for detecting a surface plasmon resonance associated with a fluid sample. The method includes the step of providing a piezoelectric substrate having at least two electrodes thereon, wherein at least one of said electrodes is coupled to a fluid sample. A light beam is transmitted toward the fluid sample to induce a oscillation frequency in the piezoelectric substrate. The oscillation frequency from said electrodes is then measured during transmittance of the light to detect the surface plasmon resonance associated with the fluid sample.05-27-2010
20100123900Plasmon resonance sensing apparatus and sensing system thereof - A plasmon resonance sensing system includes a light source, a waveguide component and a photon detector. The light source provides an incident light. The waveguide component has a tubular internal wall and a noble metal nanoparticle layer disposed on the tubular internal wall and contacted with a desired testing matter. The waveguide component is made of a light transmitting material for guiding the incident light to have an interaction with the noble metal nanoparticle layer. The photon detector detects an emergent light exiting the waveguide component after the interaction of the noble metal nanoparticle layer with the desired testing matter. The system further includes a first optical fiber installed between the light source and the waveguide component for transmitting the incident light to the waveguide component, a lens and a second optical fiber. The lens collects and transmits the emergent light to the photon detector through the second optical fiber.05-20-2010
20110128546Variable Penetration Depth Biosensor - A surface plasmon resonance sensor system including a high refractive index prism, a sensor chip, a light source having multiple wavelengths over a broad range of wavelengths, optical lenses, a photodetector, a data acquisition unit, and as defined herein. The sensor chip can include, for example, a thin layer of silicon and gold on one face of a transparent substrate and the prism adjacent to the opposite face of the transparent substrate. Such an arrangement provides variable penetration depths up to about 1.5 micrometers with a dynamic range for sensing index of refraction changes in a sample that are several times greater than that of a conventional SPR sensor. The disclosure provides methods for using the surface plasmon resonance sensor system for cell assay or chemical assay related applications.06-02-2011
20100039648DYNAMIC DETECTION DEVICE BASED ON SURFACE PLASMON RESONANCE EFFECT - A detection device based on the surface plasmon resonance effect, including a radiation emitter and a radiation detector, a fluidic substrate, a liquid crystal layer and respective control mechanism.02-18-2010
20080231858Printing Device, Method of Controlling Printing Device, and Recording Medium - A printing device includes a light input unit that inputs light fluxes emitted from a light source to a measurement-target surface of a print medium on which an image is printed at a predetermined incidence angle, an image pickup unit that picks up an image of the measurement-target surface by collecting reflection light fluxes, which are reflected from the measurement-target surface of the print medium within a predetermined range of reflection angles, for the light fluxes input by the light input unit, receiving the collected light fluxes using a plurality of light receiving elements, and performing a photoelectric conversion process for the light fluxes received by the plurality of light receiving elements, and a measurement-target surface status value calculating unit that calculates a status value of the measurement-target surface representing a status relating to appropriateness or inappropriateness of the measurement-target surface of the print medium for printing based on image data having luminance information of the image picked up by the image pickup unit.09-25-2008
20090116021Method and apparatus for determining composition and concentration of contaminants on a film encapsulated in a plasma display panel - The instant disclosure describes a method for determining composition or concentration of contaminants on a film encapsulated inside a plasma display panel. The method further includes steps of transmitting a light beam through an internal reflection element into the substrate and a film coupled to a surface of the substrate to determine composition or concentration of contaminants formed on the film, receiving the light beam, reflected back from the surface of the film, through a second internal reflection element, and analyzing the light beam received through the second internal reflection element to determine the composition or the concentration of contaminants on the surface of the film.05-07-2009
20090237670Prism design for scanning applications and illumination of microscopy sample - There is disclosed a prism for use in scanning applications such as total internal reflection microscopy in which the prism is translated relative to an incident light beam. A geometry is disclosed which cancels walk of the beam footprint at the base of the prism. Walk of the beam footprint due to irregularities in a largely planar sample surface located at the prism base are cancelled by coupling movement of the incident light beam to movement of the sample in the field of view of an objective lens, for example as part of an autofocus arrangement.09-24-2009
20090219536Providing Position Information To Computing Equipment Installed In Racks Of A Datacenter - Methods, apparatus, and products are disclosed for providing position information to computing equipment installed in racks of a datacenter that includes: projecting, by a projection module, a plurality of optical signals to a plurality of reference points on at least one reflective surface above the racks of the datacenter, each optical signal corresponding to one of the reference points and encoding reference point position information for that corresponding reference point; detecting, by a position detection module mounted on one of the racks, one or more of the optical signals reflected off of the reflective surface; determining, by the position detection module, rack position information in dependence upon the reference point position information; and providing, by the position detection module, the rack position information to a position information consumer that uses the rack position information to identify the position of the rack on which the position detection module is mounted.09-03-2009
20090323070METHOD AND APPARATUS FOR DETERMINING THE CONCENTRATION OF A SUBSTANCE IN A LIQUID - In a method for determining the concentration of at least one substance in a liquid the liquid is applied onto a test strip containing at least one test zone, wherein an optical sensor arrangement is moved step-by-step in a first direction over the surface of the test strip while the test trip is at the same time irradiated with light of a predetermined wave length and wherein in each step the radiation reflected from the surface of the test strip is measured, and wherein in each measurement step the test strip surface is irradiated alternately with light of at least two different wave lengths and the irradiation is measured at the same time and the difference between the measurement signals obtained in each measurement step using irradiation light of different wave lengths is analyzed.12-31-2009
20090116022DEVICE AND PROCESS FOR MEASURING THE CHARACTERIZATION BY REFLECTOMETRY - The invention relates to a device for measuring characterisation by reflectometry including a source that emits a light beam, a detector, means for processing and controlling this light beam so as to focus it on a reflective surface to be measured in the form of a spot and to receive it on said detector, command and acquisition means, a camera and means for imaging said spot on said detector and on said camera, wherein said camera is connected to the command and acquisition means so as to automatically focus the spot on the reflective surface to be measured and to automatically conjugate the reflective surface to be measured with the surface of the detector.05-07-2009
20090116020BIOSENSOR, METHOD FOR PRODUCING THE SAME AND SENSOR MEASUREMENT SYSTEM - A biosensor capable of detecting, for example, the index of refraction, the concentration of proteins, or antibody-antigen reactions in a sample using surface plasmon resonance are provided, as well as methods for producing the biosensor sensor measurement systems using the biosensor. A biosensor may comprise transparent rod 05-07-2009
20090116019Methods and Systems for Monitoring a Solid-Liquid Interface - Methods and systems are provided for monitoring a solid-liquid interface, including providing a vessel configured to contain an at least partially melted material; detecting radiation reflected from a surface of a liquid portion of the at least partially melted material that is parallel with the liquid surface; measuring a disturbance on the surface; calculating at least one frequency associated with the disturbance; and determining a thickness of the liquid portion based on the at least one frequency, wherein the thickness is calculated based on05-07-2009
20090073447Sensor chip with connected non-metallic particles comprising a metallic coating - The invention provides a chip comprising a substrate with at least one surface and a layer of particles having a non-metallic core and a coating made of a metal or a metal alloy, characterized in that each non-metallic core, on average, forms a metal-surrounded contact point with at least one other non-metallic core and/or the substrate surface.03-19-2009
20090153868Device for detecting the edges of a workpiece, and a laser beam processing machine - A device for detecting the edges of a workpiece held on the chuck table of a processing machine, having a beam oscillation means for oscillating a detection beam, an objective lens for focusing the detection beam oscillated from the beam oscillation means, and a reflected light detection means for detecting the reflected light of the detection beam applied through the objective lens, wherein the beam oscillation means oscillates the detection beam in such a manner that the optical axis of the detection beam becomes parallel to the center axis of the objective lens at a position offset from the center axis; and the reflected light detection means detects the edge of the workpiece based on a positional difference between reflected light obtained when the detection beam applied through the objective lens is reflected on an area where the workpiece is not existent and refracted by the objective lens and reflected light obtained when the detection beam is reflected on the workpiece and refracted by the objective lens.06-18-2009
20110032527ADAPTIVE LINEAR FILTER FOR REAL TIME NOISE REDUCTION IN SURFACE PLASMON RESONANCE SYSTEMS - A method for linear filtering of noise in a SPR sensorgram generated from a surface plasmon resonance apparatus is provided. The method includes providing a linear filter of variable length to filter an output signal in the sensorgram. The method further includes determining an optimal length of the linear filter based on a slope of the signal in the sensorgram and multiple timing of occurrences of events during measurement of refractive index in the apparatus to reduce noise in the sensorgram.02-10-2011
20110032528INTEGRATED SHEAR-VERTICAL SURFACE ACOUSTIC WAVE AND SURFACE PLASMON RESONANCE SENSING DEVICE AND METHOD - A device and method detect a feature of a fluid or a target element in the fluid by contacting the fluid to a sensing surface on a substrate. A mechanical wave comprising shear-vertical wave components is propagated through the substrate to mix the fluid, conduct desorption of at least one non-target element from the sensing surface, and/or impede adsorption of the non-target element to the sensing surface. The feature of the fluid or the target element in the fluid is then detected on the sensing surface, wherein the detection is accelerated by the above-mentioned mixing of the fluid, desorption of at least one non-target element from the sensing surface, and/or impeding of the adsorption of the non-target element to the sensing surface.02-10-2011
20090109440Optical Sensor and Operating Method Thereof - The present invention discloses an optical sensor. The optical sensor comprises a sensor for sensing a reflected light, an image capture device coupling with the sensor for reading the reflected light and calculating an average light intensity of the reflected light, a controller coupling with the image capture device for outputting a control signal based on the average light intensity, a driver coupling with the controller for receiving the control signal to output a drive current based on the control signal, and a light source coupling with the driver for receiving the drive current to generate a light.04-30-2009
20100302547METHODS AND APPARATUS FOR MEASURING ION IMPLANT DOSE - Methods and apparatus for measuring ion implant dose in a material provide for: measuring a reflection spectrum through an implantation surface of the material, the implantation surface having been subjected to an ion implantation process to create a material layer from the implantation surface to a depth within the material and a layer of weakness below the material layer; storing magnitudes of the reflection spectrum as a function of respective wavelengths of incident light on the implantation surface; and computing an ion implant dose used during the ion implantation process based on comparisons of at least two magnitudes of the reflection spectrum at least two corresponding wavelengths of the incident light.12-02-2010
20100315644HAND-HELD SCANNER SYSTEMS AND METHODS FOR READING POINT OF CARE TEST RESULTS - A diagnostic assay system including a test device and a scanning device are described. In one implementation, the scanning device includes a source of electromagnetic radiation, an optics assembly, a detector, and a microprocessor disposed within a chassis. The test device and scanning device may be configured to be movable relative to each other during operation of the scanning device.12-16-2010
20130141727Process For Predicting Degree Of Mottling In Coating Compositions By Wet Color Measurement - The process includes measuring flops of a layer of the coating composition applied over a test substrate of a mottling prediction device of the present invention at the start and then after a desired time interval. A delta flop is determined by subtracting from the flop at the start from that after the desired time interval and a degree of mottling of a coating resulting from the layer is visually assessed. The process is repeated with varying amounts of one or more rheology additives added to the composition and the degree of mottling vs. delta flop is plotted on a graph and then by using a curve fitting equation, a mottling prediction curve is obtained. By measuring the delta flop of a wet layer of a target coating composition, the degree of mottling in the target coating composition can then be predicted by using the mottling prediction curve.06-06-2013
20130141729METHOD OF DETECTING AN ACCELERATION - A method detects an acceleration. The method includes providing a spatial mode filter positioned such that light emitted from the spatial mode filter is reflected by at least a portion of a reflective surface. The spatial mode filter and the portion of the reflective surface form an optical resonator having an optical resonance with a resonance lineshape. The method further includes emitting light from the spatial mode filter and irradiating the portion of the reflective surface. The portion of the reflective surface is responsive to acceleration of the optical resonator by changing curvature. The method further includes measuring a change of the resonance lineshape due to the acceleration of the optical resonator.06-06-2013
20110001976METHOD AND APPARATUS FOR BIOGENIC SUBSTANCE CONCENTRATION MEASUREMENT - The present invention provides an apparatus for biogenic substance concentration measurement including: a cell including therein a first region, a second region, and a test solution retention space; a light source; a polarizing plate; and a photoreceiver, in which a plurality of first metallic nanorods each having a first antibody on a surface thereof are immobilized on the first region, a plurality of second metallic nanorods each having a second antibody on a surface thereof are immobilized on the second region, the respective long axes of the plurality of first metallic nanorods are aligned in the same direction, the respective long axes of the plurality of second metallic nanorods are aligned in the same direction, the long-axis direction of the first metallic nanorod is orthogonal to the long-axis direction of the second metallic nanorod, and at least one of the polarizing plate and the cell is capable of rotation with an optical axis as the rotation axis.01-06-2011
20110001975Cavity Plasmon Resonance Biosensing Device, Method And System - The current invention provides a devices methods and systems for efficient biosensing using the Surface Plasmon Resonance (SPR) and Cavity Plasmon Resonance (CPR) phenomena. The miniature biosensor comprises a stratified structure having a channel for analyte form between a substrate and thin metallic absorber layer in which plasmon are resonantly excited. Presence of analyte in the channel, changes the resonance conditions, thus changing the energy absorbed by the biosensor. Bolometric signal from the absorber; layer or detection of the radiation not absorbed by the biosensor is used to detect, measure the concentration of, or monitor the analyte.01-06-2011
20110007319Arrangement for Determining the Reflectivity of a Sample - The invention relates to an arrangement for measuring the reflectivity of the direct or scattered reflection of a sample (01-13-2011
20110128548Portable and Cartridge-Based Surface Plasmon Resonance Sensing Systems - This specification discloses various improvements in the field of SPR sensing systems. One improvement relates to a portable SPR sensing system, e.g., a system contained within a suitcase that can be hand-carried to a monitoring site. Another improvement relates to a portable, cartridge-based SPR sensing system. In this system, selected portions of the system's electrical and fluidics systems are allocated between a base unit and a removable/disposable cartridge. Other improvements relate to methods or protocols for operating an SPR sensing system. Such methods provide for the elimination of false positives and increased sensitivity, e.g., by using secondary antibodies with specificity for different target epitopes and by sensor element redundancy. In addition, protocols are provided for the detection of small molecules. Such protocols may employ a competition type assay where the presence of the analyte inhibits the binding of antibodies to surface immobilized analyte, or a displacement assay, where antibodies bound to the analyte on the sensor surface are displaced by free analyte.06-02-2011
20090066962SURFACE PLASMON RESONANCE SENSOR AND BIOCHIP - The present invention relates to a surface plasmon resonance sensor which has a first dielectric layer, a metal layer disposed on the first dielectric layer, and a second dielectric layer covering the metal layer. The surface plasmon resonance sensor includes: a sensor main body provided with an opening for exposing a part of a surface of the metal layer on a side facing the second dielectric layer, and for allowing a measurement sample to be brought into contact with this surface; a light source for introducing a beam into the metal layer from one end of the metal layer in a longitudinal direction of the metal layer; and a detection unit detecting a beam emitted from the other end of the metal layer, has high sensitivity in measurement, is downsized, and is usable in a simple manner.03-12-2009
20090066960Luminescence Imagining Installation and Method - A luminescence imaging installation is disclosed comprising a lightproof enclosure containing: a support receiving a sample to be imaged; a detector detecting a luminescence image from the sample to be imaged; and a light reflector device reflecting light towards the detector. The light reflector device surrounds the support at least in part and presents at least two portions that are inclined relative to each other, each reflecting light towards the detector.03-12-2009
20110109909Tunable Light Source For Label-Independent Optical Reader - A tunable light source for interrogating at least one resonant waveguide grating (RWG) biosensor having a resonance linewidth. The tunable light source includes a broadband light source that emits a light beam having a first spectral bandwidth greater than the RWG biosensor resonance linewidth. The broadband light source may be substantially spatially incoherent. A tunable optical filter having a tunable spectral linewidth is arranged to receive and filter the light beam to cause the light beam to have a second spectral bandwidth substantially the same as the RWG biosensor resonance linewidth. Label-independent optical readers that employ the tunable light source are also disclosed.05-12-2011
20110109907OPTICAL SENSOR SYSTEM AND METHOD OF SENSING - An optical detection system is provided for generating and detecting a beam of electromagnetic radiation having intensity. The optical detection system comprises a source for producing the beam of electromagnetic radiation; and a body, that is at least partially transparent and comprises an ATR-sensor layer on at least a portion of the body, having an entrance surface for the beam of electromagnetic radiation, an internally or externally reflective surface that reflects the beam transmitted through the entrance surface, and an exit surface through which the beam, reflected from the second surface, exits the transparent body. The optical detection system may further comprise a distribution device between the beam source and the body; wherein the distribution device redistributes the intensity of the beam from a non-uniform intensity distribution to a substantially uniform intensity distribution; and a detector that detects the beam of electromagnetic radiation exiting the body.05-12-2011
20110019196APPARATUS FOR TESTING COMPONENT CONCENTRATION OF A TEST SAMPLE - An apparatus with a combination of a point light source and a single lens is provided. The present apparatus includes a point light source, a photodetector and a lens. The lens is placed in the same side of the point light source and the photodetector in order that the light emitting from the point light source is focused onto a target area of an object through the lens. The reflected light from the target area is focused onto the photodetector through the lens. The present apparatus can qualitatively and quantitatively monitor a content of a specific component of a tested solution. The geometric relationship of the point light source, the photodetector and the single lens can improve a measuring resolution of the present apparatus.01-27-2011
20110037983Optical Component and Wear Sensor - A wear measuring device comprises a body having a wearable portion at the first end, a light conductive region internal to the body and the light conductive region has a reflective portion within the wearable portion. The reflective portion is configured to reflect light directed through the light conductive portion and at the reflective portion back down the light conductive portion. One or more characteristics of light reflected by the reflective portion are related to the extent of wear to the wearable portion. An optical component comprises a longitudinal axis and a plurality of reflective elements spaced along said longitudinal axis. The reflective elements are arranged to reflect light directed in a direction substantially aligned with said longitudinal axis. The magnitude of the reflectance is a function of physical degradation, ablation or wear of the component in a direction along the length of the component.02-17-2011
20110109908DETECTION APPARATUS - A detection apparatus which illuminates a sample and detects light reflected by the sample, comprises a light source, a columnar reflecting member having a columnar reflecting surface which reflects light having entered a first end of the columnar reflecting member by a plurality of number of times, and emits the light from a second end of the columnar reflecting member, a mirror which reflects light radiated by the light source so as to guide to the first end and a detector, wherein the sample is illuminated with the light emitted from the second end, and the detector is configured to detect the light which has been reflected by the sample and has passed through the columnar reflecting member, and a reflecting surface of the mirror is a concave surface, and a shape of a reflecting surface of the mirror on a section perpendicular to an axis of the columnar reflecting member is concave.05-12-2011
20110043808MEASURING APPARATUS - A measuring apparatus for measuring a surface shape of a target, includes a projection system to radiate a line beam on the target, an imaging device to acquire a reflected line beam reflected from the target, a plurality of imaging systems each configured to cause the reflected line beam to form an image on a receiving surface of the imaging device so that a shape of the line beam on the target is acquired and a splitting mechanism to split the reflected line beam and guide the split reflected line beam to the imaging device. The imaging systems have different optical settings for the object in the target, a plurality of segments are set on the receiving surface while each of the segments in each of which at least one region is set as a reception region is partitioned into a plurality of regions, and the imaging system causes the reflected line beams split by the splitting mechanism to form images on the reception regions in the different segments, respectively.02-24-2011
20110128547Object recognition apparatus utilizing beam scanning for detecting widths of objects of various sizes and located at various ranges - An object recognition apparatus performs a sweep of a scanned region by transmitting scanning wave beams at respective scan angles and successive timings, derives a received-wave signal strength value and reflection location corresponding to each scan wave beam during the sweep, and assigns a set of mutually adjacent reflection locations as a segment. A corresponding range value of the segment is calculated, expressing an estimated distance of a detected object. A threshold value is derived in accordance with the segment range, a region of the segment in which the signal strength values exceed the threshold value is extracted, and the width of the extracted region is designated as the width of the detected object.06-02-2011
20110043810REFLECTIVE OPTICAL SENSOR AND IMAGE FORMING APPARATUS - A reflective optical sensor detects a position and/or a toner density of the toner pattern. The reflective optical sensor includes an illuminating system that has at least three light-emitting units, a light-receiving system that has at least three light-receiving units and receives light output from the illuminating system and reflected by the toner pattern, and an illuminating optical system that includes at least three illuminating condenser lenses individually corresponding to the at least three light-emitting units and that guides the light output from the illuminating system to the toner pattern. The at least three light-emitting units and the at least three light-receiving units are both arranged in equal distance with respect to one direction. Optical axes of the at least three illuminating condenser lenses are off-center in parallel to an axis passing through a center of and perpendicular to the corresponding light-emitting unit.02-24-2011
20110043809MEASUREMENT METHOD AND MEASUREMENT APPARATUS - The present invention provides a measurement apparatus including a reflector configured to reflect a light traveling from an optical system, a detector configured to detect a light incident thereon via the reflector and a measurement optical system including one of a reference surface and a wavefront conversion element, and a load application device configured to apply a load to the reflector in an application direction perpendicular to the optical axis, the load application device applying a compression load to a first portion of the reflector below the optical axis, at a magnitude corresponding to an angle and a position of the first portion, in the application direction thereat, and applying a tension load to a second portion of the reflector above the optical axis, at a magnitude corresponding to an angle and a position of the second portion, in the application direction thereat.02-24-2011
20100321697MEASURING METHOD FOR SPR AND SYSTEM THEREOF - The invention provides an SPR measuring method and a measuring system thereof. According to the measuring method, first, a linear-polarized coherent broadband pulsed light beam is incident onto a surface of a sample under detection of a SPR sensing device to cause reflection; next, a time-domain monotonous chirp is performed on the incident coherent broadband pulsed light and/or the SPR reflected light; finally, the time-domain monotonically chirped SPR reflected light beam is detected, and information of the SPR effect is obtained according to the detected signal. According to the invention, the spectrum detection method used in conventional slow wavelength interrogation is converted into the high-speed real-time detection of time-domain pulse shape signals. Thus, the procedure of the SPR reaction may be monitored closely, and dynamical curves with very high time resolution may be obtained, in that case, fast biochemical reaction procedures may be monitored. As each part of the measuring system may remain fixed during the measurement, a compact, miniature and portable system may be realized. The interrogation part of the sensing system is easy-to-realize, of low cost and compatible with various SPR devices and components.12-23-2010
20110116095Non-Spectroscopic Label-Independent Optical Reader System and Methods - A non-spectroscopic, label-independent optical reader system is disclosed, where an exemplary system includes a broadband light source that generates broadband light made incident upon the resonant waveguide grating (RWG) biosensor. The light reflects from the RWG biosensor to form biosensor-reflected light. A photodetector receives the reflected light and generates a first detector signal representative of the reflected light intensity. An optical-edge filter can filter the broadband light, the reflected light, or both. A processor calculates a resonant wavelength for the RWG biosensor based on the detector signal.05-19-2011
20100220328DETECTING DEVICE, DETECTING UNIT SUBSTRATE, DETECTING UNIT, DETECTING UNIT KIT AND DETECTING METHOD - A necessary number of metal structures including a trapping body for trapping a target substance provided on a support are one-dimensionally placed to form a transmission path of plasmon, and a signal based on the plasmon transmitted on the transmission path is detected so as to detect whether or not there is trapping of the target substance from a sample to the trapping body. It is thereby possible to detect a reaction of the trapping body belonging to the detecting unit and the target substance with high sensitivity.09-02-2010
20090323071OPTICAL MEASUREMENT APPARATUS AND OPTICAL MEASUREMENT METHOD FOR A LIQUID OR MOLTEN MATERIAL - An apparatus for optical measurement of a liquid or molten material, which has: a transparent container which has a bottom face and is capable of containing a to-be-measured material therein, with the bottom face at least having a flat face and being transparent; and an optical device that irradiates a light to the bottom face of the container and that detects and measures a reflected light from the bottom face; and a method for optically measuring a liquid or molten material using the apparatus.12-31-2009
20110242540RAIN SENSOR - A rain sensor mounted on a windshield of a vehicle comprises: a housing having an opening, at least an emitter disposed in the housing and used for emitting light beams, a coupler, and an optical detector. The coupler connecting and covering the opening of the housing, comprises: at least a collimator receiving and collimating the light beams into collimated light beams; and at least a groove having a deflection surface to reflect the collimated light beams that passes through the collimator and is incident to the deflection surface at an incident angle θ to the windshield. The optical detector disposed in the housing is used for receiving the collimated light beams reflected by the windshield and generating electrical signals. The present invention characterized in that the incident angle θ satisfies the following condition: 1.2710-06-2011
20110085172VISUALIZED PLASMON RESONANCE BIODETECTOR - A visualized plasmon resonance biodetector utilizes the surface plasmon resonance to detect a plurality of biochemical molecules, and comprises a substrate, a silver-gold dual-layer structure, and a visible light source. The silver-gold dual-layer structure is formed on the substrate and has an optical grating structure on one side far away from the substrate. In a test, the biochemical molecule combines with the silver-gold dual-layer structure, and the visible light source emits a visible light to illuminate the substrate. Then the silver-gold dual-layer structure on the substrate generates surface plasmon resonance and a reflected light. The user can use his naked eyes to discriminate the reflected lights and learn the component and concentration of the biochemical molecule. Therefore, the biodetector can provide a low-cost and easy-to-operate detection instrument for biotests.04-14-2011
20110242541OPTICAL MEMBER AND SURFACE PLASMON RESONANCE MEASURING APPARATUS - The shape of a prism is set such that an excitation light beam that enters the prism to cause surface plasmon resonance to be generated is not irradiated onto the corners of the prism after being totally reflected within the prism. The angle of a surface that the excitation light exits the prism is set to an angle at which the excitation light beam is not totally reflected. Thereby, the excitation light beam returning to a light source, and being scattered within the prism are prevented, and therefore the accuracy of measurements can be improved.10-06-2011
20100045995SYSTEM AND METHOD FOR SURFACE PLASMON RESONANCE BASED DETECTION OF MOLECULES - A system and method for molecule detection uses a surface plasmon resonance (SPR) system with detection spots having fixed nanostructures. An SPR assembly may be combined with a digital microfluidic control system such as an electrowetting-on-dielectric (EWOD) chip. The microfluidic system individually directs sample droplets to different detection spots of the SPR assembly, thus allowing the SPR examination of different samples or sample reactions on the same surface. The nanostructures at the detection spots enhance the sensitivity of the SPR signals.02-25-2010
20100045996SENSING APPARATUS - A sensing apparatus comprises a sensing element having a metal member of a periodic structure formed on a substrate, a light source for projecting a light beam to the sensing element, and a photosensor for sensing the light beam from the sensing element, wherein the sensing element has an optical waveguide layer between the substrate and the metal member, and the light beam illuminated from the light source and propagating in the optical waveguide layer and the light of a Rayleigh mode formed by the metal member are phase-matched.02-25-2010
20100067015CHIP FOR SURFACE PLASMON RESONANCE SENSOR AND SURFACE PLASMON RESONANCE SENSOR - A metal layer 03-18-2010
20100053626MOUNTING TEST METHOD - A method for testing a part mounting status on a substrate, the method comprises preparing the part including a retroreflection portion for occurring reflect light by retroreflection; irradiating light onto the retroreflection portion; receiving the reflect light from the retroreflection portion; and determining whether the part exist by the use of the reflect light from the retroreflection portion.03-04-2010
20100053624BIOSENSOR - A biosensor that can convert biological interactions into electrical and optical signals to sense a material to be analyzed is provided. The biosensor includes a substrate, a source electrode and a drain electrode formed on one surface of the substrate, a carbon nanotube connecting the source and drain electrodes, a metal gate covering the carbon nanotube, a recognition component immobilized on the metal gate, and a passivation layer covering the source and drain electrodes.03-04-2010
20100238449METHOD AND APPARATUS FOR DETERMINING THE JUNCTION DEPTH OF A SEMICONDUCTOR REGION - A method of determining a value of a depth of a semiconductor junction of a substrate using a photomodulated optical reflectance measurement technique is disclosed. In one aspect, the method includes obtaining a substrate which has at least a first region including the semiconductor junction. The method further includes obtaining a reference region. the method further includes performing at least one sequence of: a) selecting a set of measurement parameters for the photomodulated optical reflectance measurement, b) measuring on the at least a first region a first optical signal representative of the substrate with the semiconductor junction using the selected set of parameters, c) measuring on the reference region a second optical signal using the selected set of parameters, and d) determining the ratio of the first optical signal to the second optical signal, and thereafter extracting from the ratio the depth of the semiconductor junction.09-23-2010
20100128273HIGH RESOLUTION SURFACE PLASMON RESONANCE SENSOR AND SENSOR SYSTEM THEREOF - Provided is a surface plasmon resonance sensor including: a part of delivering light by which a signal beam is incident to generate an evanescent field; and a part of exciting surface plasmon for exciting surface plasmons by the generated evanescent field and giving rise to a surface plasmon resonance, wherein a dielectric waveguide layer is inserted between metal layers of the part of exciting surface plasmon, and surface plasmon resonance properties are changed by an object to be analyzed.05-27-2010
20100238448Photoelectric Sensor for Sensing a Target - Disclosed herein is an exemplary photoelectric sensor having an emitting portion for emitting light toward a target and a receiving portion for receiving, through a receive lens, reflected light that is at least some of the emitted light that is reflected by the target. The sensor further includes a refraction block having a block first surface and a block second surface wherein the reflected light received from the receive lens is refracted by at least one of the block first surface and the block second surface as it passes through the refraction block. The sensor also includes a photodetector for receiving the reflected light refracted by the refraction block and provides a detection signal indicative of the reflected light received.09-23-2010
20090027681Method for determining an analyte in a sample - In one aspect of the invention, a method or apparatus is described for determining concentration(s) of one or more analytes in a sample using plasmonic excitations. In another aspect, a method relates to designing systems for such concentration determination, wherein metallic nanostructures are used in combination with local electrical detection of such plasmon resonances via a semiconducting photodetector. In certain aspects, the method exploits the coupling of said metallic nanostructure(s) to a semiconducting photodetector, said detector being placed in the “metallic structure's” near field. Surface plasmon excitation can be transduced efficiently into an electrical signal through absorption of light that is evanescently coupled or scattered in a semiconductor volume. This local detection technique allows the construction of sensitive nanoscale bioprobes and arrays thereof.01-29-2009
20090027680DETECTION APPARATUS AND METHOD OF DETECTING OPTICAL CHANGE IN TEST SAMPLE - A detection apparatus arranges a light source, a curved surface prism having a curved surface and a plane surface, a metal film placed on the plane surface of the prism to be held adjacently to a test sample, and a reflecting member for reflecting light such that light emitted by the light source enters the prism through the curved surface and is reflected by the metal film, then by the reflecting member, and again by the metal film. The detection apparatus is adapted to detect an optical change in the test sample by means of surface plasmon generated on the metal film. In the detection apparatus, divergent light is made to enter the prism through the curved surface to collimate the incident light by means of the curved surface. The apparatus can suppress the broadening of the resonant bandwidth so as to operate as a monitor with a higher degree of precision.01-29-2009
20090027682Method and Device For Measuring Reflected Optical Radiation - The present invention provides an optics assembly, a reflectometer, and a diagnostic device for providing quantitative measurement of optical radiation reflected from a sampling area on an assay matrix. The reflectometer includes an optical radiation source and a detector. The optical radiation source and the detector are mounted in a single plane. An optics assembly is configured to direct the illumination from the optical radiation source to the sampling area on the assay matrix and to direct the radiation diffusely reflected from the sampling area to the detector. The optics assembly is positioned over the face of the circuit board having the optical radiation source and detector mounted directly thereto. The present invention also provides a method for determining the presence of one or more selected analytes in a sample employing a plurality of sampling areas on one or more assay matrixes.01-29-2009
20120120400ALIGNING DEVICE FOR MEASURING MEANS IN A WIND POWER ROTOR - A wind power rotor with measuring device (05-17-2012
20120147376Apparatus and method for measuring optical characterstics of an object - Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface of the object/tooth being measured. Light from the perimeter fiber optics pass to a variety of filters. The system utilizes the perimeter receiver fiber optics to determine information regarding the height and angle of the probe with respect to the object/tooth being measured. Under processor control, the optical characteristics measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence, gloss and/or surface texture data also may be obtained. Audio feedback may be provided to guide operator use of the system. The probe may have a removable or shielded tip for contamination prevention. A method of producing dental prostheses based on measured data also is disclosed. Measured data also may be stored and/or organized as part of a patient data base. Such methods and implements may be desirably utilized for purposes of detecting and preventing counterfeiting or the like.06-14-2012
20110069316Localized plasmon resonance sensing device and fiber optic structure - The present invention discloses a localized plasmon resonance sensing device and a fiber optic structure. The device comprises an optical fiber and a noble metal nanoparticle layer. The optical fiber has a plurality of notches, and such notches are located on the side surface of the optical fiber. The noble metal nanoparticle layer is located at the notch. As a result, when a light is launched into the optical fiber, a detecting unit can be used to detect a localized plasmon resonance signal which is generated by the interaction between the noble metal nanoparticle layer and the light.03-24-2011
20110058174Substrate Edge Inspection - An apparatus for inspecting an edge of a substrate. A light source produces a light beam, and a two-dimensional beam deflector receives the light beam and creates a semi-annular scanning beam. A first flared parabolic surface receives the semi-annular scanning beam and directs the semi-annular scanning beam onto the edge of the substrate, thereby creating specularly reflected light from the edge of the substrate. A second flared parabolic surface receives and directs the specularly reflected light to a detector. The detector receives the directed specularly reflected light and produces signals. An analyzer analyzes the signals and detects defects at the edge of the substrate.03-10-2011
20080252894Subwavelength resolution optical microscopy - Provided herein are methods for imaging subwavelength structures in three dimensions and with high resolution. The methods comprise illuminating subwavelength structures with an illuminating wavelength of light and detecting the self-image generated thereby at a distance distal to the structures. Also provided is a method for confining propagating light to a sub-diffraction limit dimension by illuminating a surface of a metal structure with subwavelength features with a wavelength of coherent light such that light propagating from the features is confined to a dimension that is a sub-diffraction limit thereof.10-16-2008
20110037984INFORMATION PROCESSING APPARATUS AND METHOD - An information processing apparatus includes an obtaining unit configured to obtain first information regarding a distribution of reflected light from a target to be measured and second information regarding geometrical-optics components of the reflected light, a calculating unit configured to calculate third information on the basis of the first information and the second information, the third information indicating an approximation of the distribution of reflected light, and an output unit configured to output information regarding wave-optics components of the reflected light on the basis of the third information.02-17-2011
20100271632SPR APPARATUS AND METHOD - An apparatus with a radiation source 10-28-2010
20100097612DEVICE AND METHOD FOR ACQUIRING INFORMATION ON OBJECTIVE SUBSTANCE TO BE DETECTED BY DETECTING A CHANGE OF WAVELENGTH CHARACTERISTICS ON THE OPTICAL TRANSMITTANCE - An information-acquiring device for acquiring information on an objective substance to be detected, which is provided with a sensing element that has a surface capable of fixing the objective substance to be detected thereon, and makes applied light change its wavelength characteristics in response to the fixed state of the objective substance to be detected onto the surface, a light source, and light-receiving means for receiving light emitted from the light source through the sensing element, has the light-receiving means and the light source arranged on the same substrate so that the light which has been emitted from the light source and has been transmitted through the sensing element can be led to the light-receiving means, and has means for varying the wavelength regions of each light incident on each of a plurality of the light-receiving means installed in an optical path from the light source to the light-receiving means.04-22-2010
20100097611LONG-RANGE SURFACE PLASMON OPTICAL WAVEGUIDE SENSOR - The present invention provides a long-range surface plasmon optical waveguide sensor which has a reduced loss of an electromagnetic wave, an increased sensitivity and limitation of detection and a high analysis speed, and enables fabrication of a sensor of various sizes such as a small-sized or lightweight system, etc. To this end, the long-range surface plasmon optical waveguide sensor, comprising: a sensor section, wherein the sensor section comprises a substrate, a first dielectric layer stacked on the substrate, a metal thin film stacked on the first dielectric layer, a second dielectric layer stacked on the metal thin film and having a channel penetratingly formed therein in such a fashion that the top surface of the metal thin film is partially exposed into the channel, a metal strip stacked on the second dielectric layer in such a fashion that the underside thereof is partially exposed into the channel, and a third dielectric layer stacked on the metal strip; a light source section for inducing a surface plasmon resonance between the metal thin film and the metal strip; and a detection section for detecting and analyzing a change of light according to the surface plasmon resonance.04-22-2010
20100097610OPTICAL ELEMENT AND METHOD FOR PREPARING THE SAME, SENSOR APPARATUS AND SENSING METHOD - In the fields of biosensing and the like, achievement of high sensitivity and high performance has been demanded in the concentration detection of target substances. In order to meet such demand, disclosed is an optical element utilizing the localized surface plasmon resonance, including: a dielectric substrate; a first group of metal microstructures in which a plurality of metal microstructures is supported on a dielectric substrate in an in-plane direction of the substrate; and a second group of metal microstructures in which a plurality of metal microstructures is disposed in the in-plane direction, and each of the metal microstructures is partially exposed to the outside; wherein the first group of metal microstructures and the second group of metal microstructures are laminated so as to be separated from each other by 100 nm or more.04-22-2010
20080246970SENSOR DEVICE AND TESTING METHOD UTILIZING LOCALIZED PLASMON RESONANCE - A sensor device is formed from a metal film having a plurality of openings, a sensor material positioned within each of the openings, a light source that emits light having a first wavelength, and a light detector that detects light emitted from the light source and transmitted through or reflected from the openings. The plurality of openings are arranged periodically in a first direction in the metal film, and both a size of each of the plurality of openings and an interval thereof in the first direction are equal to or less than the wavelength of the light.10-09-2008
20080246969Apparatus and method for measuring optical property - An optical property measuring apparatus and an optical property measuring method of the invention determine a specified optical property of a sample by using a distribution function indicating a distribution of the amounts of reflected light incident on an optical sensor along a coordinate axis defined on a light-sensing surface of the optical sensor. Therefore, even when the optical sensor is a light-sensing device provided with a relatively small number of photosensitive elements, it is possible to measure the specified optical property regardless of a position error of the sample, if any, and reduce errors in measurement values caused by such a sample position error.10-09-2008
20120033222COMPOSITE PANEL HAVING INTEGRATED RAIN SENSOR - A composite pane arrangement, in particular for a motor vehicle, is provided with a composite pane that includes, but is not limited to at least two panes connected with each other by an intermediate layer, and with at least one optical sensor device for the optical detection of moisture on an outer surface of the composite pane facing away from the intermediate layer. The optical sensor device is arranged between the two panes and is electrically contacted by means of transparent, laminar conductive traces.02-09-2012
20090015841Refractive Index Sensor Utilizing Gold Island Surface Plasmon Resonance on Optical Fiber - A system for measuring an index of refraction that has a light emitting diode and a plurality of reference fibers not in contact with a sample to be measured and that receive light from the light emitting diode. A plurality of sensing fibers with different-shaped plasmon sensors are in contact with the sample and receive light from the light emitting diode. Detectors sense an output of the light from the fibers. The sensing fibers can be arrayed in a planar arrangement, or in a bundle. A cylindrical lens can be used for directing light into the fibers. A plurality of light emitting diodes can be used, each directing its light output into a corresponding fiber. A ball lens can be used for directing the light into the reference fiber. A plurality of wavelength filters can be placed between the light emitting diode and the sensing fiber, and a wavelength of the light entering the fiber may be selected using the filters.01-15-2009
20110188043METHOD AND APPARATUS FOR MONITORING PROCESSES IN LIVING CELLS - The invention provides a method and apparatus for monitoring processes in living cells by measuring optical reflectivity by Surface Plasmon Resonance at the surface and/or inside living cells attached to a thin metal film (08-04-2011
20080291454Inspection Systems and Methods for Extending the Detection Range of an Inspection System by Forcing the Photodetector into the Non-Linear Range - An inspection system and method is provided herein for increasing the detection range of the inspection system. According to one embodiment, the inspection system may include a photodetector having a plurality of stages, which are adapted to convert light scattered from a specimen into an output signal, and a voltage divider network coupled for extending the detection range of the photodetector (and thus, the detection range of the inspection system) by saturating at least one of the stages. This forces the photodetector to operate in a non-linear manner. However, measurement inaccuracies are avoided by calibrating the photodetector output to remove any non-linear effects that may be created by intentionally saturating the at least one of the stages. In one example, a table of values may be generated during a calibration phase to convert the photodetector output into an actual amount of scattered light.11-27-2008
20080252893Headset mounted apparatus mounting a visor with interchangeable filter sets - A portable apparatus having a source, a detector and a filtering element placed a known distance from the source and/or the detector. One embodiment of the apparatus is a headlamp having an illumination source, a camera, and two eye pieces. The headlamp has an adjustable headband for positioning the headlamp on the head of the user and a protective cover for interacting with the camera, eye pieces, and/or illumination source. The protective cover preferably includes multiple sets of filtering elements such that motion about or along an axis changes the filtering elements interacting with the camera, eye pieces, and/or the illumination source.10-16-2008
20110164253METHOD OF MODIFYING A SUBSTRATE FOR DEPOSITION OF CHARGED PARTICLES THEREON - A method of modifying a substrate for deposition of charged particles thereon, the method comprising the steps of: providing a substrate that is incapable of bonding to a polyelectrolyte coating that has a charge that is opposite to the charge of the particles that are to be deposited thereon; modifying the surface of the substrate to provide a layer of silicon thereon or therein; and coating the silicon layered surface of the substrate with the polyelectrolyte coating, the polyelectrolyte coating containing functional groups that are capable of forming bonds with said silicon layer and wherein said polyelectrolyte coating enables a substantially even distribution of said charged particles to be deposited thereon.07-07-2011
20110164252TARGET SUBSTANCE-DETECTING APPARATUS AND TARGET SUBSTANCE-DETECTING METHOD - A target substance-detecting apparatus for detecting a target substance in an analyte comprises a detecting device having a substrate and metal structures capable of causing a plasmon resonance arranged thereon, an illumination optical system for illuminating an incident light containing a polarization component polarized in a first direction onto the detecting device to cross the arranged metal structures, a light-receiving device for receiving light containing the polarization component polarized in the first direction and transmitted through or reflected by the detecting device, and an arithmetic unit for calculating on signals from the light-receiving device to analyze a characteristic of the analyte; the metal structures arranged at first intervals not more than 1/10 of a plasmon resonance wavelength in lines in the first direction and at second intervals not less than ¼ of the plasmon resonance wavelength and not more than the wavelength in lines parallel in a second direction.07-07-2011
20110051142OPTICAL SENSOR - There is provided a novel optical sensor utilizing a surface plasmon resonance technique which is capable of detecting a substance to be detected with high sensitivity independently of a wavelength of irradiated light and is capable of obtaining information, other than a refraction index, on the substance to be detected. At the center of a surface of a metallic film 03-03-2011
20110051141METHODS AND DEVICES FOR MONITORING OF FRYING OIL QUALITY - Herein are disclosed methods and devices for evaluating the quality of oils (e.g., cooking oil or flying oil). The methods can provide an indication of the free fatty acid content of the oil. The methods use an optical interrogation device to provide an indication of free fatty acid based on quantitative measurements of optical reflectance from test zones on a sampling substrate.03-03-2011
20110075148SURFACE DEFECT INSPECTION METHOD AND APPARATUS - The present invention provides an apparatus and method which enable detecting a microscopic defect sensitively by efficiently collecting and detecting scattering light from a defect in a wider region without enlarging the apparatus. In the apparatus for inspecting a defect on a surface of a sample, including illumination means which irradiates a surface of a sample with laser, reflected light detection means which detects reflected light from the sample, and signal processing means which processes a detected signal and detecting a defect on the sample, the reflected light detection means is configured to include a scattering light detection unit which collects scattering light components of the reflected light from the sample by excluding specularly reflected light components by using an aspheric flannel lens and detecting the scattering light components.03-31-2011
20110085170RESONANCE FREQUENCY-MODULATED SURFACE PLASMA RESONANCE DETECTOR - A platform able to vary a plasma resonance frequency applies to a prism of a conventional surface plasma resonance system and comprises at least one platform and a plurality of metal lines. The platform is a plate-like structure having two faces—a detection face and a connection face. The metal lines are arranged on the detection face. Each metal line has a width of 20-500nm and a thickness of 20-100nm. The spacing between two adjacent metal lines is 50-1000nm. The prism of the conventional surface plasma resonance technology is an application of the refraction technology. The optical grating technology is another application of the diffraction technology. However, the present invention is different from the abovementioned two technologies. The present invention increases the wavelength range of the absorption spectrum to the mid-infrared ray to promote the detection application of the surface plasma resonance technology.04-14-2011
20110255092Apparatus and method for measuring optical characteristics of an object - Color/optical characteristics measuring systems and methods are disclosed. Perimeter receiver fiber optics/elements are spaced apart from a central source fiber optic/element and received light reflected from the surface of the object is measured. Light from the perimeter fiber optics pass to a variety of filters. The system utilizes the perimeter receiver fiber optics to determine information regarding the height and angle of the probe with respect to the object being measured. Under processor control, the color measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence and/or surface texture data also may be obtained. Audio feedback may be provided to guide operator use of the system. The probe may have a removable or shielded tip for contamination prevention.10-20-2011
20110080588NON-CONTACT LASER INSPECTION SYSTEM - A non-contact laser inspection system includes a probe with a thin tubular extension into which a light redirecting mechanism is incorporated to permit inspection of small diameter cylinders. The laser inspection system contains a laser that produces a beam of light that is coincident with an axis of the probe body. A reflector in the tip of the probe deflects the laser beam perpendicular to the axis of the probe. An optical system in the probe directs directly back reflected light to a detector contained in the probe body. The probe is mounted in a rotatable shaft and the axis of the probe is aligned along the axis of the rotatable shaft. The rotatable shaft rotates the probe as it is inserted into a cylindrical hole, so the laser beam can scan the inside of the cylindrical surface.04-07-2011
20080309942Method and Apparatus for Establishing Reflection Properties of a Surface - A method for establishing light reflection properties of a specific surface, by measuring, for a plurality of comparison surfaces, the r-tables in accordance with CIE standard recommendations, measuring, for the same plurality of comparison surfaces, a light reflection parameter for selected angles (γ) of incident light and angles (90°—α) and (β) of reflected light, using a ‘portable’ measuring apparatus, measuring in situ, on multiple measuring points of said specific surface, said parameter for said angles (γ), (α) and (β), using said ‘portable’ apparatus, comparing the angular distribution of said parameter for the specific surface with that for said comparison surfaces, to select the comparison surface showing the best distribution fit, optionally taking into account a resealing factor on luminance coefficient Q12-18-2008
20080218762System For Detecting Anomalies And/Or Features of a Surface - A cylindrical mirror or lens is used to focus an input collimated beam of light onto a line on the surface to be inspected, where the line is substantially in the plane of incidence of the focused beam. An image of the beam is projected onto an array of charge-coupled devices parallel to the line for detecting anomalies and/or features of the surface, where the array is outside the plane of incidence of the focused beam.09-11-2008
20080218761SURFACE PLASMON RESONANCE SENSOR AND SENSOR CHIP - A sensor chip has a metal layer formed on a surface of a substrate, where a plurality of microscopic concave part is formed in a measurement region of the surface of the metal layer. When light of linear polarization is irradiated onto the measurement region, local resonance electric field generates at opposing metal layer surfaces in the concave part. The reflected light thereof is received to measure reflectance. The light of linear polarization is irradiated so that the polarizing surface becomes orthogonal to the longitudinal direction of the concave part.09-11-2008
20100067016Plasmon resonance detector - Provided is a plasmon resonance detector that can detect temperature change in optical devices, in which the metal structure having plasmon resonance absorption is used for the optical devices. A diode formed of a conductive substrate, an n-type semiconductor layer, an i-type semiconductor layer, a p-type semiconductor layer, an n electrode (negative electrode), a p electrode (positive electrode), an insulating film, or the like is used as a semiconductor device whose resistance value changes in accordance with temperature change. A nanochain formed by connecting a plurality of metal nanoparticles is disposed on this diode. When the nanochain is irradiated with light, the nanochain generates heat. The heat generated in the nanochain is conducted to the diode. The resistance value of the diode changes in accordance with temperature change, and thus this change is read, a temperature or an amount of heat generation of the nanochain is measured, and existence and strength of the plasmon resonance are detected.03-18-2010
20100195107SURFACE PLASMON RESONANCE MEASURING CHIP AND METHOD OF MANUFACTURE THEREOF - A surface plasmon resonance measuring apparatus is provided with a dielectric block, a metal film formed on a surface of the dielectric block, a light source for emitting a light beam, an optical system for making the light beam enter the dielectric block at various angles of incidence so that a condition for total internal reflection is satisfied at an interface between the dielectric block and the thin film layer, and a photodetector for detecting the intensity of the light beam satisfying total internal reflection at the interface. In the measurement chip to be utilized in the surface plasmon resonance measuring apparatus, the dielectric block is formed from a synthetic resin in which, when said light beam is p-polarized outside said dielectric block and then strikes the interface, the intensity of a s-polarized component at the interface is 50% or less of the intensity of the light beam at the interface.08-05-2010
20100195106DETECTING ELEMENT, AND TARGET SUBSTANCE DETECTING DEVICE AND METHOD OF DETECTING TARGET SUBSTANCE USING THE SAME - To provide a detecting element which is applicable to a detecting device which can improve sensitivity of the detecting device detecting a target substance utilizing plasmon resonance. A detecting element used for a detecting device for detecting a target substance in a sample by utilizing plasmon resonance, wherein it comprises a substrate and a plurality of metal members provided on the substrate, said metal member constituting a columnar structure and said columnar structure being oriented in a long axis direction thereof is provided. According this, the detecting element applicable to the detecting device which can improve sensitivity of the detecting device for detecting a target substance utilizing plasmon resonance.08-05-2010
20110261360METHOD AND APPARATUS FOR OBJECT VIEWING, OBSERVATION, INSPECTION, IDENTIFICATION, AND VERIFICATION - In an object verifier having a housing and an object holder, an object may be placed in the object holder for observation by an operator. The object is illuminated using a collimated beam of white light that is generated by a light generator. The collimated beam of white light is passed through a beam splitter with the two portions of the collimated beam of white light presented to the object at a 90 degree angle one from the other. The interior of the housing includes a reflective surface for maximal illumination of the object. The observer may view the illuminated object through a viewing window and/or through a magnification window. The magnification window provides for the viewing of the object in greater detail.10-27-2011
20100284013SURFACE PLASMON RESONANCE MEASURING DEVICE, SAMPLE CELL, AND MEASURING METHOD - A surface plasmon resonance measuring device includes a light source (11-11-2010
20090296094Spectral Near-Field Optical Tomography - A method and computer program product for imaging an object are disclosed. The object is illuminated with an electromagnetic wave, characterized by a spectrum of illuminating wavevectors. Electromagnetic waves scattered by the object are detected, and are characterized by a spectrum of detected wavevectors. An aperture equal to or smaller than an instantaneous characterizing wavelength of the illuminating electromagnetic wave is disposed between the source and the detector. At least one of the illuminating and detected wavevectors is varied in magnitude to provide information regarding a scattering characteristic of the object. By applying a forward model of the aperture to derive a three-dimensional scattering model, a three-dimensional reconstruction of the object may be obtained by inverting a detected data function in terms of the forward model.12-03-2009
20120033220QCL Spectroscopy System and Applications Therefor - A spectroscopy system comprising at least two laser modules, each of the laser modules including a laser cavity, a quantum cascade gain chip for amplifying light within the laser cavity, and a tuning element for controlling a wavelength of light generated by the modules. Combining optics are used to combine the light generated by the at least two laser modules into a single beam and a sample detector detects the single beam returning from a sample.02-09-2012
20090244542Micro integrated planar optical waveguide type spr sensor - An integrated optical waveguide type surface plasmon resonance (SPR) sensor having an optical waveguide with a corresponding SPR sensing area, photodetectors, and wavelength tunable laser or any kind of external tunable laser source/coupler formed on a substrate. In an embodiment, the laser is a wavelength tunable laser and optionally, the integrated device may include a power source on the substrate for providing a electric power to the wavelength tunable laser and the photodetectors, or a circuit for signal processing, or a microfluidic structure for routing a target sample to the SPR sensor area. The microfluidic structure optionally includes a mixer or a reaction chamber for mixing and allowing a physical or chemical reaction to occur, respectively. In an embodiment, plural planar integrated optical waveguide type SPR sensors may be fabricated on a substrate to form an array of SPR sensors.10-01-2009
20120147377OPTICAL BIOSENSOR WITH FOCUSING OPTICS - The invention relates to focusing optics (06-14-2012
20110069317RETROVIEWERS - The present application generally relates to retroviewers for use in viewing one or more retroreflective articles. One exemplary retroviewer for use in viewing a retroreflective article at a distance of between about 5 feet and about 30 feet includes a housing portion including a tubular body that forms a handle, the housing portion capable of holding at least one light source; and a viewing portion adjacent to the housing portion and including a viewing passageway having a longitudinal axis that perpendicularly intersects a longitudinal axis of the tubular body.03-24-2011
20120307248LIQUID TRANSPORTING DEVICE, DETECTING APPARATUS AND METHOD THEREOF - A liquid transporting device using electrowetting on dielectric technique is provided. A sampling liquid is accurately transported on a substrate in a channel-free manner. The sampling liquid is spun off the substrate by a centrifugal force after the sampling liquid has been detected. The liquid transporting device can be applied to a biochemical detecting apparatus and a biochemical detecting method, thereby fulfilling requirements of accurate sample transportation in the biomedical field. The liquid transporting device is simplified to reduce overall costs, thus being helpful for decreasing high prices of biomedical detecting systems.12-06-2012
20120307247Fluorescence Microscopy Method And System - A fluorescence microscopy method and system, the method comprising the steps of applying optical vortices to a metal surface for generating surface plasmon resonance (SPR) waves at the metal surface; and collecting fluorescence light excited by the SPR waves; wherein a dynamic characteristic of the optical vortices is controlled for controlling interference patterns of the SPR waves.12-06-2012
20110304851Scatterometry Method and Measurement System for Lithography - Scatterometry method and apparatus are useful in a lithographic apparatus and device manufacturing. A back focal plane diffraction intensity image of a measurement projection system configured to project a radiation beam onto a target portion of a substrate is measured. A beam of radiation having a first wavelength is directed to the substrate. A diffraction image of a zeroth diffraction order and higher order diffraction from a diffraction structure in the substrate is provided. A first layer (12-15-2011
20080316491Sensor and method of detecting the condition of a turf grass - A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.12-25-2008
20090323072Measurement of Sample Reflectance - An accessory for a spectrometer for carrying out measurements of specular reflectance of a sample. The accessory is designed so that all components can be located in a housing and the sample can be located horizontally on a top-plate of the housing with the components disposed below the plane of that plate.12-31-2009
20090079987Photodiode-based Bi-Directional Reflectance Distribution Function (BRDF) Measurement - Photodiode-based bi-directional reflectance distribution function (BRDF) measurement is described. Multiple photodiodes are distributed approximately symmetrically at a fixed distance from a surface to be measured. One or more of the photodiodes are directed to emit light, while readings are gathered from the other photodiodes that are not emitting light. The readings are processed based on previously measured calibration data to generate BRDF values.03-26-2009
20130010300PLASMON SENSOR, AND USAGE METHOD AND MANUFACTURING METHOD THEREOF - A plasmon sensor includes a first metal layer and a second metal layer having an upper surface facing a lower surface of the first metal layer. The upper surface of the first metal layer is configured to receive an electromagnetic wave. A hollow space is provided between the first and second metal layers, and is configured to be filled with a test sample containing a medium. This plasmon sensor has a small size and a simple structure.01-10-2013
20080285040Electrical Detection of Plasmon Resonances - A method includes detecting a plasmon resonance in a material based on a change in at least one electrical property of the material. For example, the material can be a sensor portion of an electrical circuit, wherein the method can further include: exposing the sensor portion to a test material; optically illuminating the sensor portion when the test material is present, and monitoring the change in the at least one electrical property of the sensor portion in response to the optical illumination. The monitored changed in the at least one electrical property of the sensor portion can provide information about the test material, such as the presence or absence of selected analytes and/or their binding affinities. In another example, the material is a part of a receiver for a plasmonic circuit. An apparatus for carrying out the method is also disclosed.11-20-2008
20120038926OPTICAL SENSOR, METHOD FOR MANUFACTURING SAME AND DETECTION METHOD USING OPTICAL SENSOR - A highly sensitive and reliable optical sensor which has a low production cost, and facilitates a detection is provided. An optical sensor 02-16-2012
20090116018Multiple-Angle Retroreflectometer - A system and method for measuring the photometric retroreflectivity of materials. The system comprises a light source and a first optical pathway along which an illumination light beam travels originating from the light source, and ending at a retroreflective surface to be measured. A second optical pathway is provided along which a retroreflected beam travels back from the retroreflective surface to an aperture array that selects multiple annular areas to be further directed to multiple detectors, one detector for each annular area selected by the aperture. Each detector has a filter for the determination of photometric retroreflectivity. The retroreflected light reaching the detectors produces currents proportion to the intensity of the light. A high-gain current-to-voltage amplifier is used to provide voltage signal to an analog-to-digital converter that converts a voltage to a digital number. A processor is electrically coupled to the analog-to-digital converter with an accompanying memory on which is stored operating logic adapted to, determine the photometric intensity of a predetermined pattern of the retroreflected beam incident to the array of apertures and detectors which defines the retroreflected light which propagates from the retroreflective surface at a predetermined observation angle.05-07-2009
20090273787METHOD OF SURFACE PLASMON RESONANCE (SPR) TO DETECT GENOMIC ABERRATIONS IN PATIENTS WITH MULTIPLE MYELOMA - The present invention discloses using SPR technology to detect MM related genomic imbalances in bone marrow samples. An efficient formula to make a mixed SAM that can greatly enhance the immobilization ability of the metal surface in SPR based techniques, which is good for the immobilization of DNA markers used for the identification of MM related genomic imbalances in bone marrow samples is also disclosed.11-05-2009
20120002207Method for Determining an Analyte in a Sample - In one aspect of the invention, a method or apparatus is described for determining concentration(s) of one or more analytes in a sample using plasmonic excitations. In another aspect, a method relates to designing systems for such concentration determination, wherein metallic nanostructures are used in combination with local electrical detection of such plasmon resonances via a semiconducting photodetector. In certain aspects, the method exploits the coupling of said metallic nanostructure(s) to a semiconducting photodetector, said detector being placed in the “metallic structure's” near field. Surface plasmon excitation can be transduced efficiently into an electrical signal through absorption of light that is evanescently coupled or scattered in a semiconductor volume. This local detection technique allows the construction of sensitive nanoscale bioprobes and arrays thereof.01-05-2012
20100315646Method and Apparatus of Z-Scan Photoreflectance Characterization - A method of z-scan photo-reflectance characterization of semiconductor structures and apparatus for same has been developed. The method and apparatus provides the ability to independently measure electro-refractive and electro-absorptive nonlinearities that occur in conventional photo-reflectance signals. By performing a series of photo-reflectance measurements, each containing photo-modulated nonlinear optical signals, with the sample at a multiplicity of positions along the focal length of the probe light column, and with an aperture fixtured in the reflected probe path, precision characterization of both electro-refractive and electro-absorptive nonlinearities is attained. The Z-scan photo-reflectance method and apparatus characterizes spatial distortions of a coherent photo-reflectance probe light beam due to electro-refractive and electro-absorptive effects.12-16-2010
20090073446Lighting Subsystem for a Machine Vision System - According to one of the preferred embodiments, the invention includes a machine vision system 03-19-2009
20080273207Sensor Device - It has been requested to enhance sensitivity of a surface plasmon resonance sensor in a frequency region from a millimeter wave band to a terahertz band, from 30 GHz to 30 THz. Then, the present invention provides a sensor whose sensitivity is further improved by an analyte holding portion being equipped with a semiconductor and a medium.11-06-2008
20080285039DYNAMIC PLASMONICS-ENABLED SIGNAL ENHANCEMENT, A DEVICE COMPRISING THE SAME, AND A METHOD USING THE SAME - Disclosed herein is a plasmonics platform comprising a substrate; a plurality of periodically spaced nanoholes and/or nanoparticles disposed upon the substrate; wherein the average first order of periodicity between the nanoholes and/or the nanoparticles is about 5 to about 1,000 nm; and a microelectromechanical and/or a nanoelectromechanical system in operative communication with the substrate so as to vary the average first order of periodicity between the nanoholes and/or the nanoparticles.11-20-2008
20120057165Particles and Methods for Long Wavelength SERS - Embodiments include a particle comprising a surface enhanced spectroscopy (SES)-active core and a SES-active reporter molecule associated with the SES-active core wherein said particle has a measurable SES spectrum when excited by incident light having a wavelength of at least 1400 nm. Alternative embodiments include methods of manufacturing said particle and methods of tagging a material with said particle. The particle may include an SES-active core which supports plasmon resonance at a wavelength of at least 1400 nm. The particle may comprise an anisotropic core. The particle may include an SES-active reporter molecule which is resonant at one or more wavelengths greater than or equal to 1400 nm.03-08-2012
20120057164BIOLOGICAL INFORMATION MEASURING APPARATUS - Biological information measuring apparatus capable of automatically identifying a subject under test, and executing continuous measurement under a common measurement condition having selected a properly identified site at a high S/N ratio for relatively long hours as necessary, and also improving utilization efficiency of the output light of a laser. In the biological information measuring apparatus using a confocal optical system provided with a laser serving as a light source thereof, the biological information measuring apparatus comprises a laser drive means for effecting AC-driving so as to cause pulsed light to be outputted from the laser, and wherein the skin of a finger is discriminated from a nail thereof on the basis of a detection signal of the confocal optical system, and a portion of the skin, in a range of the nail epithelium of the finger to the first joint thereof, is indicated as a measurement region.03-08-2012
20120057163METHOD FOR FORMING A NANOSTRUCTURE PENETRATING A LAYER - A method for forming a nanostructure penetrating a layer and the device made thereof is disclosed. In one aspect, the device has a substrate, a layer present thereon, and a nanostructure penetrating the layer. The nanostructure defines a nanoscale passageway through which a molecule to be analyzed can pass through. The nanostructure has, in cross-sectional view, a substantially triangular shape. This shape is particularly achieved by growth of an epitaxial layer having crystal facets defining tilted sidewalls of the nanostructure. It is highly suitably for use for optical characterization of molecular structure, particularly with surface plasmon enhanced transmission spectroscopy.03-08-2012
20120057162METHOD FOR DISCRIMINATING BETWEEN OBJECTS - A method for discrimination between a first (03-08-2012
20090244541CAVITY RING-DOWN APPARATUS AND METHOD FOR MEASURING REFLECTIVITY OF HIGHLY REFLECTIVE MIRRORS - A cavity ring-down apparatus and method is provided for measuring the reflectivity of highly reflective mirrors. The apparatus comprises an optical ring-down cavity including three highly-reflective mirrors whose frequency-selective optical transmission is retro-reflected into the oscillator cavity of a continuous-wave semiconductor laser, creating a change of output spectrum of said laser and enhancing the coupling coefficient of the laser power into the optical ring-down cavity. The drive current/voltage of the semiconductor laser is modulated by a square-wave function output by a function generation card. Thus the laser beam is suddenly switched off at the negative step of the square-wave signal periodically. Immediately after switching off the laser beam, an exponential decay signal of the ring-down cavity is measured by a photo detector and used to determine the decay time of the cavity and the reflectivity of highly reflective mirrors.10-01-2009
20090244540BIOSENSOR - A biosensor provided herein includes a semiconductor laser device having an optical resonator with at least one reflective surface and a light output surface, and a surface plasmon resonance (SPR) unit disposed on the reflective surface of the optical resonator. The SPR unit has specific biological molecules fixed thereon for reacting with corresponding biological molecules of an analyzed object.10-01-2009
20120154815APPARATUS AND METHOD FOR MEASURING REFLECTANCE OF OPTICAL LASER COMPONENTS - Apparatus and methods for measuring reflectance of optical laser components are disclosed. In one embodiment, when the reflectance of the test optical laser component is higher than 98%, a cavity ring-down (CRD) technique based configuration is employed to measure the reflectance of the test optical laser component. On the other hand, when the reflectance of the test optical laser component is lower than 98% or there is no measurable CRD signal, by removing the output cavity mirror in the CRD apparatus, a photometric configuration is formed to measure the reflectance. The switching between the two techniques can be achieved by removing or inserting the output cavity mirror of the ring-down cavity in the CRD apparatus.06-21-2012
20120154814Surface plasmon resonance (SRP) microscopy systems, method of fabrication thereof, and methods of use thereof - Surface plasmon resonance (SPR) microscopy systems, methods of making SPR microscopy systems, methods of measuring and detecting the presence of one or more compounds present in a sample using the SPR microscopy system, and the like, are disclosed. In an embodiment, a surface plasmon resonance (SPR) microscopy system can include an integrated microfluidic chip that includes a plurality of layers, an SPR imaging system, and a pressure manifold to actuate flow control components in the integrated microfluidic chip.06-21-2012
20090153866Substrate of target substance detection element to be used in apparatus for detecting target substance by utilizing surface plasmon resonance and detection element and detection apparatus - A substrate of a target substance detection element to be used for a detection apparatus for detecting a target substance, utilizing surface plasmon resonance, comprises a base and a metal structure arranged on the surface of the base in a localized manner or a metal film having an aperture and arranged on the surface of the base, the metal structure or the aperture, whichever appropriate, having at least either of a loop section and a crossing section.06-18-2009
20120206729STRUCTURED ILLUMINATION FOR CONTRAST ENHANCEMENT IN OVERLAY METROLOGY - Contrast enhancement in a metrology tool may include generating a beam of illumination, directing a portion of the generated beam onto a surface of a spatial light modulator (SLM), directing at least a portion of the generated beam incident on the surface of the SLM through an aperture of an aperture stop and onto one or more target structures of one or more samples, and generating a selected illumination pupil function of the illumination transmitted through the aperture utilizing the SLM in order to establish a contrast level of one or more field images of the one or more target structures above a selected contrast threshold, and performing one or more metrology measurements on the one or more target structures utilizing the selected illumination pupil function.08-16-2012
20120154817METHOD FOR DEMONSTRATING THE PRESENCE OF MOLECULES BY MEANS OF OPTICAL GRATINGS - A method for detecting the presence of molecules includes bringing into contact with at least one optical grating comprised of a first liquid phase, a second liquid phase which cannot be mixed with the first liquid phase. The first liquid phase is arranged on a substrate in a form of periodic structures having a periodicity ranging from about 190 nm to about 10 μm. The molecules to be detected, which are capable of changing the optical characteristics of the at least one optical grating are added to the first liquid phase or to the second liquid phase either before, during or after the bringing step. The presence of molecules is detected by measuring a changed reflection or transmission of light at the at least one optical grating or a changing spatial course of the diffraction pattern as soon as the first liquid phase makes contact with the second liquid phase and with the molecules to be detected.06-21-2012
20120154818SPR APPARATUS WITH A HIGH PERFORMANCE FLUID DELIVERY SYSTEM - An apparatus may include a flow cell for a surface plasmon resonance test apparatus and a fluid delivery system operatively coupled to the flow cell and configured to deliver a plurality of fluids to the flow cell substantially continuously. The fluid delivery system may include two pumps for pumping the fluids.06-21-2012
20120154816Imaging apparatus, electronic apparatus, photovoltaic cell, and method of manufacturing imaging apparatus - An imaging apparatus includes: an imaging unit in which a plurality of pixels receiving incidence light on a light receiving face are disposed in an imaging region of a substrate, wherein the pixel includes a thermocouple device group in which a plurality of thermocouples are aligned along the light receiving face, wherein, in the thermocouple device group, the plurality of thermocouples are arranged so as to be separated from each other such that the light receiving face has a grating structure, and wherein the thermocouple device group is disposed such that the incidence light is incident to the grating structure so as to cause plasmon resonance to occur on the light receiving face, and an electromotive force is generated due to a change in the temperature of a portion of the thermocouple device group, at which the plasmon resonance occurs, in each of the plurality of thermocouples.06-21-2012
20100315645HIGH POWER ACOUSTIC RESONATOR WITH INTEGRATED OPTICAL INTERFACIAL ELEMENTS - An optical element, which may be part of a system for optical analysis of a material in contact with it, is kept clean by means of the vibrations of a high power acoustic resonator. More specifically, but not by way of limitation, in certain embodiments of the present invention, one or more optical interfacial elements may be integrated with a high power acoustic resonator to provide a robust sensing device that may provide for acoustic cleaning of the optical interfacial elements and/or combining optical and acoustic measurements made by the integrated system for analysis purposes. In certain aspects, the high power acoustic resonator may include an acoustic horn for focusing acoustic energy and the optical interfacial elements may be integrated with the acoustic horn.12-16-2010
20090135426Coin Dispensing Apparatus - A coin dispensing apparatus, which ejects coins by squeezing them substantially chordally between an element on a rotor and an ejector, has a variable height rotor (05-28-2009
20120105852SYSTEMS AND METHODS FOR DETECTION AND IMAGING OF TWO-DIMENSIONAL SAMPLE ARRAYS - A detection system for a two-dimensional (2D) array is provided. The detection system comprises an electromagnetic radiation source, a phase difference generator, a detection surface having a plurality of sample fields that can receive samples, and an imaging spectrometer configured to discriminate between two or more spatially separated points.05-03-2012
20110090507APPARATUS FOR DETECTING FOREIGN MATERIAL IN POUCH TYPE BATTERY - An apparatus and method for detecting a foreign material within a pouch type battery by performing a light scattering method on a surface of a battery case are provided. The apparatus for detecting a foreign material within a pouch type battery includes: a light source irradiating linear light to a surface of a battery case at a pre-set incident angle; a sensor unit sensing light reflected from the battery case; and a foreign material detection unit detecting the presence or absence of a foreign material and the position of the foreign material within a battery through the reflected light sensed by the sensing unit. A foreign material within a battery can to be quickly and accurately detected.04-21-2011
20110090506Self-referencing fiber-optic localized plasmon resonance sensing device and system thereof - The present invention discloses a self-referencing fiber-optic localized plasmon resonance sensing device and a system thereof. The self-referencing fiber-optic localized plasmon resonance sensing device comprises a reference optical fiber, a sensing optical fiber and a carrier. The reference optical fiber is modified with a first noble metal nanoparticle layer, and receives an incident light to generate a first localized plasmon resonance sensor signal. The sensing optical fiber is modified with a second noble metal nanoparticle layer. The second noble metal nanoparticle layer is further modified with a molecular or biological recognition unit, and receives the incident light to generate a second localized plasmon resonance sensor signal. The carrier is used for placement of the reference optical fiber and the sensing optical fiber. A processing unit is allowed to perform referencing on the second localized plasmon resonance sensor signal based on the first localized plasmon resonance sensor signal.04-21-2011
20120120401SURFACE PLASMON RESONANCE SENSING METHOD AND SENSING SYSTEM - A SPR sensing method comprising the steps of: providing a SPR sensor comprising a SPR supporting sensor surface and contacting a sample to be analysed with the sensor surface. At least one resonance condition at said SPR supporting sensor surface is monitored by illuminating the sensor surface with an SPR exciting test light beam and sensing the reflected or transmitted test light beam. Additionally, the sensor surface is illuminated with a reference light beam under conditions selected so as not to excite SPR at said sensor surface and sensing the intensity of the reflected or transmitted reference light beam. At least one property of the reflected or transmitted test light beam is determined taking into account the sensed intensity of the reflected or transmitted reference light beam.05-17-2012
20120314218View-finder in ellipsometer or the like systems - A system for and method of allowing visual observation of a sample being subject to investigation by an electromagnetic beam, to identify where thereupon a beam of sample investigating electromagnetic radiation is caused to impinge, in combination with a data detector of the beam of sample investigating electromagnetic radiation after it interacts with the sample.12-13-2012
20120300211TEST STRIP READER FOR DETECTING BIOREACTION CHANGES AND DIAGNOSTIC TEST DEVICE INCLUDING SAME - A test strip reader for reading a test result of a test strip plate or cassette is provided. The test strip plate or cassette includes a test strip and is configured for generating a control line or a test line in the test strip according to the test result. The test strip plate or cassette reader includes a light source, a driver configured for driving the light source to emit light to a section of the test strip corresponding to the control line or the test line, a photo detector configured for receiving light reflected from the section and generating a detecting signal corresponding to the test result, a signal processor configured for processing the detecting signal to obtain the test result and generating a corresponding result signal, and a display configured to display the test result based upon the result signal.11-29-2012
20100290051ANALYZING DEVICE AND ANALYZING METHOD - Provided is a device in which light from a sample 11-18-2010
20100290050Hydrogen Sensor - A hydrogen sensor includes a thin film layer formed over a substrate of resin or the like, and a catalyst layer formed on a surface of the thin film layer. When contacted by leaked hydrogen gas, the catalyst layer quickly hydrogenates the thin film layer through its catalytic action, thereby causing a change in optical reflectance of the thin film layer. The hydrogen sensor includes a protective film formed at least either between the substrate and the thin film layer or on a surface of the catalyst layer.11-18-2010
20100245828BIOLOGICAL OPTICAL MEASUREMENT APPARATUS - A biological optical measurement apparatus including an applied unit having plural light irradiating probes for irradiating an object with light and plural light detecting probes for detecting light returning from the object, and worn by the object, a measuring unit for measuring the amount of light detected by the light detection probes, a two-dimensional image constructing unit for constructing two-dimensional topographic images from the measurement result of the detected light amount, and a monitor for displaying the two-dimensional topographic images, is further equipped with a three-dimensional image constructing unit for making the two-dimensional topographic images correspond to measurement positions and superposing the two-dimensional topographic images in order of measurement time to thereby construct a three-dimensional image, the thus-constructed three-dimensional image being displayed on the monitor.09-30-2010
20100245829System and method for compensating instability in an autofocus system - An autofocus system and method designed to account for instabilities in the system, e.g. due to instabilities of system components (e.g. vibrating mirrors, optics, etc) and/or environmental effects such as refractive index changes of air due to temperature, atmospheric pressure, or humidity gradients, is provided. An autofocus beam is split into a reference beam component (the split off reference channel) and a measurement beam component, by a beam splitting optic located a predetermined distance from (and in predetermined orientation relative to) the substrate, to create a first space between the beam splitting optic and the substrate. A reflector is provided that is spaced from the beam splitting optic by the predetermined distance, to create a second space between the reflector and the beam splitting optic. The measurement beam component is directed at the substrate and a reflected measurement beam component through the first space between the substrate and the beam splitting optic, while the reference beam component is directed at the reflector and a reflected reference beam component is directed from the reflector through the second space between the beam splitting optic and the reflector. The reflected reference and measurement beam components are returned to the beam splitting optic, and emerge substantially collinear from the beam splitting optic. The reference and measurement beam components are then detected, and provide information that enables compensation for changes in the z position of the substrate that are due to instabilities in the autofocus system components and/or environmental factors.09-30-2010
20120133944OPTICAL DEVICE AND ELECTRONIC APPARATUS - An optical device includes: an image-forming optical system forming an image of light from a subject; an imaging unit receiving light of the image formed by the image-forming optical system; a reflection spectroscopic device covering a given area in an imaging area of the imaging unit; and a spectrum detection unit detecting a spectroscopic spectrum of light reflected by the reflection spectroscopic device.05-31-2012
20120133945Interactive Display Device - An interactive display device is disclosed. The interactive display device comprises: a housing, a user interface surface which is coupled with the housing, a display panel which is disposed under the user interface surface, an area light detector which is disposed under the display panel and configured to detect invisible light reflected by an object which is on or adjacent to the user interface surface, a plane light guide plate which is disposed under the area light detector, and an invisible light source which is disposed at the side of the plane light guide plate. The interactive display device has small size and better appearance, and thus is easy to be transported and more competitive.05-31-2012
20120133943Systems And Methods For Multi-Wavelength SPR Biosensing With Reduced Chromatic Aberration - Systems and methods for sensing a surface plasmon resonance (SPR) biosensor using two or more wavelengths and with reduced chromatic aberration are disclosed. The system includes a beam-forming optical system that has chromatic aberration at the two or more wavelengths. A light source system provides respectively light of the two or more wavelengths, with light of each wavelength provided from a different distance from the beam-forming optical system. The different distances are selected to reduce or eliminate adverse effects of chromatic aberration on the formation of a focus spot on the SPR biosensor chip. An illumination system for illuminating a SPR biosensor using different light having different wavelengths is also disclosed.05-31-2012
20120218554AXIAL ILLUMINATION FOR CAPILLARY ELECTROPHORESIS - System and method for fluorescent light excitation and detection from samples to enhance the numerical aperture and/or reduce the cross-talk of the fluorescent light.08-30-2012
20090059236Wafer Edge Inspection - In one embodiment, a surface analyzer system comprises a radiation targeting assembly to target radiation onto an edge surface of a wafer, the radiation targeting assembly comprising a first expanded paraboloid or expanded ellipsoid reflector positioned adjacent the edge surface of the wafer, a reflected radiation collecting assembly that collects radiation reflected from the surface, a signal processing module to generate surface parameter data from the reflected radiation, and a defect detection module to analyze the surface parameter data to detect a defect on the surface.03-05-2009
20120075634Sensor, Method for Detecting The Presence and/or Concentration of an Analyte Using the Sensor, and Use of the Method - Methods and sensors for detecting the presence and/or concentration of an analyte are disclosed. In one aspect, a sensing element for use in a sensor is disclosed. The sensing element comprises a resonant cavity device configured to emit optical radiation at an initial power level, a sensing layer exhibiting an initial refractive index, and a detector. The sensing layer is configured to absorb or adsorb an analyte and, in response to absorbing or adsorbing the analyte, exhibit a modified refractive index that differs from the initial refractive index. The resonant cavity device is further configured to, in response to the sensing layer absorbing or adsorbing the analyte, emit optical radiation at a modified power level based on the modified refractive index. The detector is configured to detect the modified power level.03-29-2012
20120075633ELECTRICAL MACHINE COMPONENT MONITORING SYSTEM AND METHOD - An electrical machine component monitoring system includes a light source that provides an optical signal through a fiber optic cable and a fiber optic sensing component positioned on the electrical machine component or at a standoff distance from the electrical machine component to obtain a responsive optical signal representative of a condition of the electrical machine component. The system further includes a photodetector to receive the responsive optical signal from the fiber optic sensing component and to convert the responsive optical signal to an electrical signal. A processing circuitry is also provided in the system for determining information regarding dirt on the electrical machine component by analyzing the electrical signal.03-29-2012
20110102798OPTICAL REAL-TIME SOIL SENSOR - A light sensing apparatus for measuring the reflectance of sub surface soil in real-time while attached to a moving vehicle is disclosed. Reflectance measurements from the apparatus can be related to the organic matter content of the soil. The apparatus is housed in a corrosion resistant enclosure having field rebuildable wear surfaces. The wear surfaces help extend the life of the apparatus by isolating the apparatus's main enclosure from soil abrasion. The wear surfaces also assist in conditioning the sensed soil surface by smoothing the surface prior to sensing. Signal conditioning circuitry in the apparatus is utilized to reject the influence of ambient light in the advent that the soil/apparatus interface opens. A digital processor or other “intelligent controller” is utilized in the apparatus to auto calibrate the apparatus in real-time and/or use predetermined tables or mathematical relationships in order to convert reflectance information into organic matter measurements.05-05-2011
20110102797BIOINFORMATION ACQUISITION APPARATUS - provided is a bioinformation acquisition apparatus in which a flux of light emitted outside from a test object through diffusion effect when light is radiated thereto can be reused, improving use efficiency of the radiated light. The apparatus having a light source for radiating a flux of light to a test object, and a detector for detecting a signal output based on the radiation, and includes: a reflection type polarization element adapted that at least a part of the flux of light from the light source can be transmitted through, and a flux of light emitted outside from the test object by the radiation can be reflected, in which the reflection type polarization element is disposed at a position opposite to an irradiation area of the flux of light on the surface of the test object to cover the irradiation area.05-05-2011
20100033725OPTICAL DETECTION STRUCTURE FOR A PLASMON RESONANCE SENSOR - The invention relates to a plasmon resonance optical detection device including a stack of layers comprising:02-11-2010
20090051920Plasmon tomography - Plasmon energy is produced by exciting a plasmon resonance at least one excitation position on a first surface of a first material, and the plasmon energy is detected at at least one measurement position on the first surface after the plasmon energy has propagated from the at least one excitation position to the at least one measurement position. An attenuation of plasmon energy is determined along a plurality of paths between the at least one excitation position and the at least one measurement position, and relative distances between the first surface and a second surface of a second material are determined at a plurality of points on at least one of the surfaces based on the determined attenuation of plasmon energy along the plurality of paths.02-26-2009
20120257204INTEGRATED PLASMONIC SENSING DEVICE AND APPARATUS - An integrated plasmonic sensing device is monolithically integrated and provides marker-free detection (eliminating the need to use fluorescent or absorbing markers) and in-situ monitoring of conditions at each detection region. The integrated plasmonic sensing device includes a plasmonic backplane disposed on a monolithically integrated image sensor. One or more plasmonic scattering regions and one or more plasmonic via regions laterally offset from the plasmonic scattering regions are provided in the plasmonic sensing device. Guided plasmonic modes mediate power transfer through the plasmonic backplane to one or more underlying image sensor pixels.10-11-2012
20120188551SENSOR USING LOCALIZED SURFACE PLASMON RESONANCE (LSPR) - The invention concerns an arrangement comprising at least one sensor nanoparticle supporting Localized Surface Plasmon Resonance (LSPR), at least one sensing material and at least one separating layer which separates the at least one sensor nanoparticle from the at least one sensing material. The arrangement allows for indirect sensing studies of change in and on the surface of a sensing material or environment by the sensor nanoparticle. The arrangement may also be used for optical temperature measurements and calorimetry, optical differential scanning calorimetry (DSC), to study hydrogen storage, catalytic reactions or for NOx sensing.07-26-2012
20090021742SENSOR APPARATUS - A plasmon sensor apparatus using a metallic fine periodic structure designed to reduce the dependences of the resonance wavelength and sensitivity on the incident angle. The plasmon sensor apparatus has a sensing element including a metallic member having periodic slit openings and metallic portions, and a substrate on which the metallic member is held, a light source which emits light so that the light is incident on the sensing element, and a photodetector which detects light obtained from the light source. If the period of the slit openings is Λ; the width of the metallic portions is d; and the thickness of the metallic member is h, the aspect ratio h/(Λ−d) of the slit openings is 3 or higher and the opening width (Λ−d) is equal to or smaller than the wavelength of light applied from the light source to the sensing element.01-22-2009
20120262719Plasmon tomography - Plasmon energy is produced by exciting a plasmon resonance at least one excitation position on a first surface of a first material, and the plasmon energy is detected at at least one measurement position on the first surface after the plasmon energy has propagated from the at least one excitation position to the at least one measurement position. An attenuation of plasmon energy is determined along a plurality of paths between the at least one excitation position and the at least one measurement position, and relative distances between the first surface and a second surface of a second material are determined at a plurality of points on at least one of the surfaces based on the determined attenuation of plasmon energy along the plurality of paths.10-18-2012
20080297803Optical sensor device for detecting wetting - An optical sensor device (12-04-2008
20080297802DETECTING ELEMENT, DETECTING DEVICE, AND METHOD OF PRODUCING THE DETECTING ELEMENT - A detecting element and a detecting device having high sensitivity, and a production method thereof are provided. The detecting element for detecting a target substance in a sample includes a substrate and a metal structure. The substrate has a pore in which the thickness direction of the substrate corresponds to the depth direction of the pore and in which part of the substrate forming the pore constitutes part of the outer surface of the substrate. The metal structure exists in the pore, and has a ring shape.12-04-2008
20080297801METHOD FOR CALCULATING OPTICAL CONSTANTS AND SUBSTRATE PROCESSING SYSTEM - An optical constant calculation method capable of calculating an accurate optical constant of an underlayer film to accurately identify a substrate surface structure. After each of films is layered on a wafer, there are measured the reflectivity of an oxide film under which an organic insulation film is formed and the reflectivity of an organic insulation film exposed after removal by plasma of the oxide film. Based on the measured reflectivities, the optical constant of the organic insulation film after being altered by heat treatment and the optical constant of the organic insulation film after being altered by plasma are calculated.12-04-2008
20120320379DEFLECTION DEVICE FOR A SCANNER WITH LISSAJOUS SCANNING - A deflection device for a scanner with Lissajous scanning includes a micromirror that oscillates in at least two deflection axes and that includes a frame and a mirror plate that is movably arranged via a suspension mount. The deflection device also includes a control device for generating control signals for a resonant operation of the micromirror in the at least two deflection axes. The suspension mount includes at least one spring connected at one end to the mirror plate and at the other end to the frame. The frequencies of the control signals for the resonant operation of the micromirror are substantially equal in the at least two deflection axes, but differ at least in terms of the predefined scanning repetition rate. The levels of the resonance frequencies of the deflection axes and control signals are determined by a predefined scanning resolution and a predefined scanning repetition rate.12-20-2012
20120327418DETECTION METHOD FOR INTERMOLECULAR INTERACTION AND DETECTION DEVICE THEREOF - In order to calculate and specify a valley wavelength easily and in a short period of time, a detection device for intermolecular interaction is disclosed that is equipped with a detector provided with a ligand, a white light source that irradiates the detector with white light, a spectrometer that detects the light reflected from the detector, and a control device that controls the white-light source and the spectrometer, wherein the aforementioned control device obtains a reflection spectrum by calculating the reflectivity over a fixed wavelength interval, approximates the aforementioned reflection spectrum as a high-dimensional function, selects a wavelength interval comprising the minimum reflectivity from the aforementioned high-dimensional function, approximates the aforementioned high-dimensional function with the aforementioned wavelength interval as a quadratic function of a lower order, and obtains a solution by which the aforementioned quadratic function is differentiated with respect to the wavelength and the value thereof becomes 0.12-27-2012
20120327417OPTICAL DEVICE AND DETECTION DEVICE - An optical device includes a group of projections projecting from a conductor surface of a substrate, and arranged along a first direction at a pitch Px, a dielectric layer covering the conductor surface and the group of projections, and a metal nanostructure having metal nanoparticles each having a size d of the order of nanometers arranged on the dielectric layer along the first direction, assuming that the wavelength of irradiation light is λ, λ>Px>d is fulfilled, and assuming that a maximum value of an arrangement pitch between two of the metal nanoparticles adjacent to each other in the first direction is Qx, Px>Qx is fulfilled.12-27-2012
20120327420METHOD AND APPARATUS OF Z-SCAN PHOTOREFLECTANCE CHARACTERIZATION - A method of z-scan photo-reflectance characterization of semiconductor structures and apparatus for same has been developed. The method and apparatus provides the ability to independently measure electro-refractive and electro-absorptive nonlinearities that occur in conventional photo-reflectance signals. By performing a series of photo-reflectance measurements, each containing photo-modulated nonlinear optical signals, with the sample at a multiplicity of positions along the focal length of the probe light column, and with an aperture fixtured in the reflected probe path, precision characterization of both electro-refractive and electro-absorptive nonlinearities is attained. The Z-scan photo-reflectance method and apparatus characterizes spatial distortions of a coherent photo-reflectance probe light beam due to electro-refractive and electro-absorptive effects.12-27-2012
20120327419OBJECT DETECTING DEVICE AND INFORMATION ACQUIRING DEVICE - An information acquiring device has a light source which emits light of a predetermined wavelength band; a projection optical system which projects the light emitted from the light source toward the target area with a predetermined dot pattern; and a light receiving element which receives reflected light reflected on the target area for outputting a signal. In this arrangement, the projection optical system projects the light toward the target area in such a manner that a dot of a reference pattern of the light to be received by the light receiving element has a pitch equal to or larger than 2.5 pixels at least in an alignment direction in which the light source and the light receiving element are aligned.12-27-2012
20110235043SENSOR AND METHOD OF DETECTING THE CONDITION OF A TURF GRASS - A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.09-29-2011
20100231915TOTAL REFLECTION ILLUMINATED SENSOR CHIP, METHOD FOR PRODUCING THE TOTAL REFLECTION ILLUMINATED SENSOR CHIP, AND SENSING METHOD USING THE TOTAL REFLECTION ILLUMINATED SENSOR CHIP - A total reflection illuminated sensor chip is employed in a detecting method for detecting a detection target substance including the steps of: supplying a sample that includes the detection target substance onto a metal film formed on a surface of a dielectric prism, irradiating a measuring light beam onto the interface between the dielectric prism and the metal film such that conditions for total reflection are satisfied at the interface, and utilizing evanescent waves which are generated due to the irradiation of the measuring light beam to detect the detection target substance. Polishing streaks in the region of a metal film formation surface of the dielectric film, on which the metal film is formed, have directional properties with respect to a single direction.09-16-2010
20120140233APPARATUS AND METHOD FOR DETECTING THE PRESENCE OF WATER ON A REMOTE SURFACE - An apparatus is provided having a source for illuminating a remote surface with at least one wavelength of light (e.g., in the range of 940 to 970 nm), a detector for receiving returned illumination from the surface and providing an analog signal representative of the returned illumination, and a controller which samples the analog signal to obtain sample data representative of amplitude of light of the source returned from the surface by the detector. The controller determines the presence of water (or moisture, liquid, ice, vapor or heavy gases) on the surface in accordance with the sample data. An audible alarm is activatable by the controller. The source and detector are in a housing in perpendicular or non-perpendicular orientations with respect to the surface. Such housing being mountable at a distance from the surface where water detection is desired.06-07-2012
20120140232SPR optical fiber sensor and SPR sensing device using the same - An SPR optical fiber sensor and an SPR sensing device using the same are disclosed. The SPR optical fiber sensor includes: an optical fiber substrate having a sensing area; a first metal layer disposed on the sensing area of the fiber substrate; and a second metal layer which is a gold layer and disposed on the first metal layer. In the present invention, two or more layers of different metals are stacked on the sensing area and thus the SPR measurable range can be promoted to improve the sensitivity and chemical stability of the SPR optical fiber sensor.06-07-2012
20120140234Mitigation Of Optical Signal Noise Using A Multimode Transmit Fiber - An apparatus and methods for measuring combustion parameters in the measurement zone of a gas turbine engine. The measurement zone is defined as being between an outer casing and an engine component having a reflecting surface inside the outer casing. The apparatus comprises a laser generating a transmitting beam of light of a select wavelength and a multimode transmitting fiber optically coupled to the laser. A transmitting optic is optically coupled to the multimode optical fiber for transmitting the beam into the measurement zone. The reflecting surface is configured to provide a Lambertian reflection. A receiving optic is positioned to receive the Lambertian reflection. Means are provided in operative association with the multimode transmitting fiber for averaging modal noise induced signal level variation of light propagating within the multimode transmitting fiber.06-07-2012
20110249267PLASMONIC DROPLET, METHOD AND APPARATUS FOR PREPARING THE SAME, DETECTION METHOD USING PLASMONIC DROPLET - Disclosed herein is an innovative plasmonic droplet including a droplet of fluid, a detection-target material which is in the droplet of fluid, and a nanoplasmon probe which is on a surface of the droplet of fluid and/or in the droplet of fluid. The plasmonic droplet may be applied for plasmon based optical sensing techniques, for example, for ultrasensitive analysis of bacteria, pathogen, etc.10-13-2011
20120086943PROCESS FOR PRODUCING NANOPARTICLE MONOLAYERS - There is provided a method that can curtail the time for forming a particle layer and that can permit the production of a nanoparticle monolayer having stable optical characteristics at a high coating ratio and homogeneity in a reproducible and an efficient manner.04-12-2012
20120092673DEVICE AND METHOD FOR OPTICALLY DETECTING GAS - A device for optically detecting fluid comprises several optical fibres, each of which is provided with a sensor end and an opposite coupling end. Each of the sensor ends is provided with an optical sensor having reflective properties which depend on the concentration of the fluid to be detected at the sensor. The device comprises a light source, a detector and an optical body. The coupling ends of the optical fibres are connected to the optical body at a distance from one another. The light source and the detector are arranged on the optical body in such a manner that light is conducted from the light source through the optical body and is coupled at the coupling ends of the optical fibres and light which is reflected by the optical sensor and which is ejected from the coupling ends of the optical fibres is conducted through the optical body and is received by the detector. The distance between the coupling ends of the optical fibres is such that the ejected light from each coupling end can be detected separately.04-19-2012
20130010299TARGET DETECTION APPARATUS AND METHOD - A target detection apparatus is described that is capable of improved detection of targets in urban environments or hidden in cluttered environments. The apparatus emits radiation in a modulated fashion, of a known wavelength, wavelengths or range of wavelengths and detects radiation returned by the targets in the environment.01-10-2013
20130016358BEAM SCATTERING LASER MONITOR - New systems for characterizing laser beams, using measurements performed on light which has been Rayleigh scattered from the beam. Different implementations are used for beam profiling, using images of the Rayleigh scattered light, and for laser beam power measurement, using the integrated Rayleigh scattered light. Both of these implementations can be applied to laser beams having high powers, since the measurements do not require insertion of any element into the beam itself, but rather depend on light scattered laterally from the passing beam. The measurements can thus be termed “non contact” measurements, in contrast to prior art methods which require an element inserted into the beam. The systems use Rayleigh scattering from the laser beam passing through ambient air, such that no special scattering chambers or liquids are required for the measurements. Special cancellation algorithms or filters are used to discriminate from light arising from scattering from dust particles.01-17-2013
20130016356METHOD AND APPARATUS FOR GOLD DETECTIONAANM Kendall; James D.AACI AjaxAACO CAAAGP Kendall; James D. Ajax CA - A gold detection apparatus capable of detecting gold in field mineral samples such as rock or soil with little or no preparation. Light in red and violet wavelengths is directed at a surface of a mineral sample and the reflected light intensity is measured by an array of sensors or pixels. Based on the characteristic reflectance properties of gold, the reflected light intensity in each wavelength is used to determine the presence of gold particles.01-17-2013
20130016357Optics Sensor Structure For Detecting Water Or Oil Leakage Inside A Conservator Having A Bladder Or Membrane - Optical sensor structure senses the presence of liquid in a sealed conservator tank. The sensor structure includes a sensor head having a body with first and second opposing ends, a plurality of perforations through the body and spaced between the first and second ends, and a mirror disposed at the second end. The perforations are constructed and arranged to receive and hold fluid therein. The sensor head is constructed and arranged to rest on a surface of a bladder. The sensor structure includes a light source, a first fiber optic cable between the light source and the first end of the body, a light detector, and a second fiber optic cable between the light detector and the first end of the body. The amount of light received by the light detector is reduced when liquid, instead of air, is in at least some of the perforations in the body.01-17-2013
20110141476LIGHT SCATTERING MEASUREMENT SYSTEM BASED ON FLEXIBLE SENSOR ARRAY - A compact, optical measurement system has a non-flat detector array having multiple detector elements arranged on a flexible substrate in a monolithic fashion, one or more illumination sources arranged to provide more than one angle of incidence of light on a subject being measured, and a detection system in electrical communication with the detector array, the detection system arranged to receive inputs from the detector array and provide a measurement from the inputs. A method of measuring reflectance of a surface includes placing the surface adjacent a hemispherical detector array, illuminating the surface from a predetermined angle of incidence, simultaneously detecting reflectance at multiple emission angles using the hemispherical detector array, and repeating the illuminating and detecting processes at different angles of incidence. Optional arrays of lenses, baffles and filters may be employed by the system.06-16-2011
20110157593SPR SENSOR - Provided is an SPR sensor which can achieve compaction and multichannel detection by simple configuration at a low cost. The SPR sensor comprises an optical path, and detection areas on the side surface thereof formed by laminating metal layers formed to cause surface plasmon resonance phenomenon. The SPR sensor is characterized in that two or more detection areas are formed for one optical path, a dielectric constant regulation layer is further laminated in at least one of the two or more detection areas, dielectric constant is regulated to have a different surface plasmon resonance in each detection area, and a dielectric constant regulation layer laminated in the at least one of the two or more detection areas functions as a layer exhibiting sensitivity to an object to be detected.06-30-2011
20110157592SURFACE PLASMON RESONANCE UNIT AND INSPECTION SYSTEM USING THE SAME - The present invention provides a surface plasmon resonance (SPR) unit having at least one microfluidic channel with grating structures embedded in so that a grating-coupled surface plasmon resonance can be induced by an incident light while fluid in the microfluidic channel contacts or flows through the grating area. The induced variation of optical signal due to the SPR effect is analyzed for performing bio-screening and assay of bioaffinity reaction. Meanwhile, present invention further provides an SPR inspection system possessing a rotation power to the SPR unit such that the SPR unit is capable of rotating and thereby generating a centrifugal force for driving the flow inside the microfluidic channels so as to achieve the label-free and high throughput SPR inspection system with low-cost.06-30-2011
20110157591MONITORING APPARATUS AND METHOD FOR NANO-TRANSFER PRINTING PROCESS - The monitoring apparatus for nano-transfer printing process is installed at a specific location in the surrounding of a transfer printing unit, and, during any stage of the transfer printing process, performs monitoring or measuring the filling height, filling rate and filling profile of the forming material inside the transfer printing unit. The monitoring apparatus includes a detection unit, a measuring unit and an analysis unit. The detection unit emits a detection ray to the transfer printing unit. The measuring unit receives a reaction signal of the detection ray passing through the transfer printing unit. The analysis unit analyzes the reaction signal to determine the filling height, the filling rate and filling profile of the forming material inside the transfer printing unit.06-30-2011
20110157590Surface plasmon resonance sensing device - A surface plasmon resonance sensing device that is portable, and having the fiber sensing unit whose resonant wavelength being within the transmission range of a single-mode fiber or a multi-mode fiber, is disclosed. The disclosed sensing device comprises: a light source unit, a fiber sensing unit, an optical sensor, a plurality of fibers, and a computing and displaying unit. The fiber sensing unit includes a trench, a cladding layer, a core layer, a first metallic layer, and a plurality of dielectric thin film layers, wherein the first metallic layer covers the trench, and the plurality of dielectric thin film layers forms on the first metallic layer. The light source provided by the light source unit will become a light signal, after the light passes through the fiber sensing unit. The optical sensor transforms the light signal into a corresponding electric signal, for the usage of the computing and displaying unit.06-30-2011
20130021613SPATIALLY-SELECTIVE DISKS, SUBMILLIMETER IMAGING DEVICES, METHODS OF SUBMILLIMETER IMAGING, PROFILING SCANNERS, SPECTROMETRY DEVICES, AND METHODS OF SPECTROMETRY - One aspect of the invention provides a spatially-selective disk including a plurality of holes arranged such that a matrix having a plurality of rows, each row having elements corresponding to a fraction of a pixel in a viewing window projected onto the disk that is backed by a hole at a distinct rotational position of the disk, has linearly independent rows. Another aspect of the invention provides a spectrometry device including: a disk having one or more holes; a motor configured to rotate the disk; one or more beam-shaping optics arranged to map one or more spectral components of radiation of interest onto a plurality of locations on the disk; and a receiver positioned to capture the one or more spectral components passing through the one or more holes as the disk is rotated.01-24-2013
20080252895TEST METHOD FOR THE TESTING OF THE FUNCTIONAL CAPABILITY OF A MONITORING SENSOR, MONITORING METHOD AND MONITORING SENSOR - The invention relates to a test method for the testing of the functional capability of a monitoring sensor which scans a protective field to be monitored using a scanner. In accordance with the invention, at least one contour test object and one field test object are provided outside the protective field to be monitored. A field set is defined having at least two scan fields, with the first scan field of the first field set comprising the protective field to be monitored and at least one contour test object and the second scan field of the first field set comprising at least the region of the field test object. In a first test sequence, the protective field to be monitored is scanned with the first field set, with a positive first output signal only being generated when the contour test object is detected in the expected position in the first scan field and with a negative second output signal being generated when the field test object is detected in the second scan field of the first field set. A second field set having reversed parameters is defined and scanned in a second test sequence. The correct operability of the sensor is only assumed if, after a change to the first test sequence, a positive first output signal and a negative second output signal are found or, after a change to the second test sequence, a positive second output signal and a negative first output signal are found.10-16-2008
20100045997OXYGEN SENSOR USING PRINCIPLE OF SURFACE PLASMON RESONANCE AND OXYGEN TRANSMISSION RATE MEASUREMENT SYSTEM INCLUDING THE SAME - An oxygen sensor using the principle of surface plasmon resonance, capable of measuring an oxygen concentration in a measurement chamber by detecting a change in resonance angle or refractive index using field enhancement effects, is provided. An oxygen transmission rate measurement system including the oxygen sensor is also provided. In this invention, only a change in voltage is measured at a fixed angle, thus achieving rapid measurement, and also, a single wavelength light source is used, thus reducing the size of the oxygen sensor and oxygen transmission rate measurement system. The oxygen sensor includes a laser diode for emitting light, a polarizer for converting the emitted light into polarized light, a prism for receiving the polarized light from the polarizer and having a sensor substrate provided on one surface thereof so that the polarized light is reflected, an oxygen concentration measurement chamber provided to enclose the sensor substrate so that oxygen a concentration of which is to be measured is contained therein, a photodiode for measuring the amount of light reflected from the prism, and a microcontroller unit for controlling operation of the oxygen sensor and calculating the oxygen concentration.02-25-2010
20080225298High throughput brightfield/darkfield water inspection system using advanced optical techniques - The broadband brightfield/darkfield wafer inspection system provided receives broadband brightfield illumination information via a defect detector, which signals for initiation of darkfield illumination. The defect detector forms a two dimensional histogram of the defect data and a dual mode defect decision algorithm and post processor assess defects. Darkfield radiation is provided by two adjustable height laser beams which illuminate the surface of the wafer from approximately 6 to 39 degrees. Each laser is oriented at an azimuth angle 45 degrees from the orientation of the manhattan geometry on the wafer, and 90 degrees in azimuth from one another. Vertical angular adjustability is provided by modifying cylindrical lens position to compensate for angular mirror change by translating an adjustable mirror, positioning the illumination spot into the sensor field of view, rotating and subsequently moving the cylindrical lens. A brightfield beamsplitter in the system is removable, and preferably replaced with a blank when performing darkfield illumination. Light level control for the system is provided by a dual polarizer first stage. Light exiting from the second polarizer passes through a filter which absorbs a portion of the light and comprises the second stage of light control. The beam then passes through a polarizing beamsplitter. The second channel is further reflected and polarized and both beams thereafter illuminate the substrate.09-18-2008
20080225297Device For Measuring Elevations and/or Depressions in a Surface - In a device for measuring elevations and/or depressions of a flexible surface which is at least partially transmissive to light, for measurement purposes, the surface is illuminated by a fibre-optical means (09-18-2008
20130135620SYSTEMS AND METHODS FOR NON-INVASIVE TESTING OF ELECTROMECHANICAL SYSTEMS DEVICES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for testing an electromechanical systems (EMS) device. In one aspect, a laser is directed at a driven EMS device, and the reflected light pattern is analyzed to provide information regarding the characteristics of the driven EMS device. In some aspects, the reflected light pattern is analyzed to determine a resonant frequency of the EMS device or the damping forces acting on the EMS device. The resonant frequency can then be used to determine stresses within the EMS device, or pressure or temperature within a device package encapsulating the EMS device.05-30-2013
20130114085Dynamically Adjustable Semiconductor Metrology System - The present invention may include an illumination source, a detector, a selectably adjustable optical system including a dynamically adjustable illumination pupil of the illumination arm, a dynamically adjustable collection pupil of the collection arm, a dynamically adjustable illumination field stop of the illumination arm, a dynamically adjustable collection field stop of the collection arm, a sensor configured to measure one or more optical characteristics of one or more components of the optical system, and a control system configured to selectably dynamically adjust at least one of the illumination pupil, the collection pupil, the illumination field stop, the collection field stop, and a spectral radiance of the illumination source.05-09-2013
20130094026FIBER OPTIC BI-DIRECTIONAL COUPLING LENS - A component for coupling light bi-directionally between optical waveguides and optoelectronic devices is described. This component can be inexpensively manufactured and fits within the existing form-factor of fiber optic transceivers or transmitters, and has features for efficiently coupling laser light to a waveguide and light from the same waveguide to a detector. The described components can be formed as an array to operate within system that operation over parallel optical fibers. Applicability for these components is for optical time domain reflectometry, bi-directional optical communications, remote fiber sensing, and optical range finders.04-18-2013
20130100454INTEGRATED PLASMONIC SENSING DEVICE AND APPARATUS - An integrated plasmonic sensing device is monolithically integrated and provides marker-free detection (eliminating the need to use fluorescent or absorbing markers) and in-situ monitoring of conditions at each detection region. The integrated plasmonic sensing device includes a plasmonic backplane disposed on a monolithically integrated image sensor. One or more plasmonic scattering regions and one or more plasmonic via regions laterally offset from the plasmonic scattering regions are provided in the plasmonic sensing device. Guided plasmonic modes mediate power transfer through the plasmonic backplane to one or more underlying image sensor pixels.04-25-2013
20130100453MEASUREMENT OF LIQUID FRACTION DROPOUT USING MICROPATTERNED SURFACES - Accurate, real-time detection of dew point of a gaseous sample can be accomplished using the systems and techniques described herein. A gaseous sampling chamber defining an interior volume includes a patterned structure having a roughened surface exposed to the gaseous sampling chamber. The patterned structure includes an open volume accessible by the roughened surface, for example, representing at least about 10% of the interior volume of the gaseous sampling chamber. An illumination source is configured to illuminate at least a portion of the patterned structure. A light detector is configured to receive at least a portion of illumination returned from the patterned structure. A condensate detector is configured to determine a presence of a condensate on the roughened surface in response to an optical property of the patterned surface as modified by the presence of dew.04-25-2013
20130169968REFLECTIVITY MEASURING DEVICE, REFLECTIVITY MEASURING METHOD, MEMBRANE THICKNESS MEASURING DEVICE, AND MEMBRANE THICKNESS MEASURING METHOD - A reflectivity measuring device 07-04-2013
20130128272Minimum Retroreflectivity Compliance System, Method and Assembly - A system, method and assembly for performing traffic sign inspections is provided. In one embodiment, the assembly includes a first plurality of sheetings that each have a combination of retroreflectivity and color that is different from the combination of retroreflectivity and color of each of the other first plurality of sheetings; a first clamp and second clamp for clamping one of said first plurality of sheetings to a traffic sign; a first handheld light source; and a first enclosure for removably housing the first plurality of sheetings, said first and second clamps, and said first handheld light source. The assembly may further include a second enclosure for removably housing a second plurality of sheetings that each has a combination of retroreflectivity and color that is different from the combination of retroreflectivity and color of each of the other second plurality of sheetings.05-23-2013
20130141728DEVICE FOR SELECTING A SPECIFIC MATTER - The present disclosure provides an optical device for selecting specific matter, such as plant matter. The device comprises a light source for emitting light having at least (3) wavelengths and for generating a combined beam of light having the at least 3 wavelengths. The device further comprises an optical element for directing a plurality of light beams towards matter including the specific matter. The optical element has first surface portions through which in use the plurality of component light beams are directed to the matter including the specific matter. Each component light beam is directed through a respective first surface portion that has an optical property that is selected so that light intensity differences between the component light beams are reduced. The optical device also comprises an optical filter for filtering reflected component light beams such that an intensity of light is reduced in a wavelengths range outside one or more wavelengths ranges that include the at least three wavelengths. Further, the optical device comprises a detector for detecting the reflected component light beams.06-06-2013
20080212102MULTISPECTRAL PLASMONIC CRYSTAL SENSORS - The present invention provides plasmonic crystals comprising three-dimensional and quasi comprising three-dimensional distributions of metallic or semiconducting films, including multi-layered crystal structures comprising nanostructured films and film arrays. Plasmonic crystals of the present invention include precisely registered and deterministically selected nonplanar crystal geometries and spatial distributions providing highly coupled, localized plasmonic responses in thin film elements and/or nanostructures of the crystal. Coupling of plasmonic responses provided by three-dimensional and quasi-three dimensional plasmonic crystal geometries and structures of the present invention generates enhanced local plasmonic field distributions useful for detecting small changes in the composition of an external dielectric environment proximate to a sensing surface of the plasmonic crystal. Plasmonic crystal structures of the present invention are also useful for providing highly localized excitation and/or imaging of fluorophores proximate to the crystal surface.09-04-2008
20080212101Optical Sensor for Detecting Moisture on a Windshield of a Motor Vehicle - In an optical sensor for detecting moisture on a windshield of a motor vehicle, in which the light radiation is deflectable to a detection area on the windshield situated in the light path between transmitter and receiver, the transmitter and/or the receiver have a transparent design and are integrated into the windshield. The transparent optical elements may thus be situated in the area of a wiped field of the windshield cleaned by the windshield wiper.09-04-2008
20110273717DEVICE AND METHOD FOR DETECTING REFLECTED AND/OR EMITTED LIGHT OF AN OBJECT - A device and a method for detecting reflected and/or emitted light of an object (11-10-2011
20110273716SURFACE PLASMON RESONANCE MEASURING DEVICE - A SPR measuring device is proposed. The measuring device includes a circularly polarized heterodyne light source that produces a circularly polarized heterodyne light beam, a beam splitting element that splits the circularly polarized heterodyne light beam into a reference beam and a signal beam, a first light sensing unit that receives a reference light intensity of the reference beam, a SPR sensor that receives the signal beam and reflects a reflected signal beam, a second light sensing unit that receives a reflected light intensity of the reflected signal beam and a processing circuit that calculates a phase difference between the reference light intensity and the reflected light intensity. A phase change caused by SPR of an incident light is sensitively represented by the circularly polarized heterodyne light beam. Thus tiny changes in physical quantities of analytes are measured easily.11-10-2011
20110273715DIAGNOSTIC TAPE UNIT AND DIAGNOSTIC MEASURING SYSTEM - The invention concerns a diagnostic tape unit with a test tape that can be wound onto a spool which comprises a transport tape and a plurality of test elements mounted thereon, where the test elements have an analytical reagent layer, a carrier foil supporting the reagent layer and a piece of adhesive tape connecting the carrier foil with the transport tape, and where the front side of the reagent layer facing away from the carrier foil is designed for the application of a sample substance. According to the invention it is proposed that the test elements in combination with the light transmitting transport tape in each case form an optical multi-layer system for a rear-side reflection-photometric measurement of the reagent layer.11-10-2011
20080198384Surface plasmon resonance sensor - An SPR sensor comprising: a thin conducting layer comprising at least one conductive element formed on a surface of a transparent substrate; an illumination system controllable to illuminate an interface between the conducting layer and the substrate; a photosensitive surface that generates signals responsive to light from the light source that is reflected from a region of the interface; a flow cell formed with at least one flow channel having a lumen defined by a wall at least a portion of which is formed from an elastic material and a portion of which is formed by a region of the conducting layer; and at least one hollow needle having an exit orifice communicating with the needle's lumen and wherein fluid flow is enabled between the flow channel and the needle's lumen by puncturing the elastic material with the at least one needle so that the exit orifice communicates with the flow channel lumen.08-21-2008
20110222065Reflection characteristic measuring apparatus for sheet specimen, method of calibratingreflection characteristic measuring apparatus for sheet specimen, and calibrationreference plate for use in calibration of reflection characteristic measuring apparatus forsheet specimen - A reflection characteristic measuring apparatus capable of scanning a specimen surface of a sheet specimen at a high speed is provided. The reflection characteristic measuring apparatus includes a group of illuminating and light-receiving systems for directing illuminating light onto the specimen surface of the sheet specimen held by a specimen holding roller pair and for receiving reflected light from the specimen surface. The illuminating and light-receiving systems measure a spectral characteristic of the received reflected light. The illuminating and light-receiving systems are disposed over one-dimensional arrays of color samples which extend in the longitudinal direction of the sheet specimen, and scan the one-dimensional arrays in a direction opposite to a direction in which the sheet specimen is transported.09-15-2011
20110228277SUB-MICRON SURFACE PLASMON RESONANCE SENSOR SYSTEMS - A sensor for detecting the presence of a target analyte, ligand or molecule in a test fluid, comprising a light transmissive substrate on which an array of surface plasmon resonant (SPR) elements is mounted is described. A multi-channel sensor for detecting the presence of several targets with a single microchip sensor is described. A multi-channel sensor including collections of SPR elements which are commonly functionalized to one of several targets is also described. The detectors sense changes in the resonant response of the SPR elements indicative of binding with the targets.09-22-2011
20130148126INTEGRATED PLASMONIC NANOCAVITY SENSING DEVICE - An integrated plasmonic sensing device is described wherein the integrated device comprises: at least one optical source comprising a first conductive layer and a second conductive layer, and a optical active layer between at least part of said first and second conductive layers; at least one nanocavity extending through said first and second conductive layers and said optical active layer, wherein said optical source is configured to generate surface plasmon modes suitable for optically activating one or more resonances in said nanocavity; and, at least one optical detector comprising at least one detection region formed in said substrate in the vicinity of said nanocavity resonator, wherein said optical detector is configured to sense optically activated resonances in said nanocavity.06-13-2013
20130135621APPARATUS AND METHOD FOR DETERMINING A CHARACTERISTIC OF A CONSUMABLE - The embodiments of the invention relate to a method and apparatus for determining at least one characteristic of a physical resource for use in a physical resource consuming apparatus.05-30-2013
20100284012Portable and Cartridge-Based Surface Plasmon Resonance Sensing Systems - This specification discloses various improvements in the field of SPR sensing systems. One improvement relates to a portable SPR sensing system, e.g., a system contained within a suitcase that can be hand-carried to a monitoring site. Another improvement relates to a portable, cartridge-based SPR sensing system. In this system, selected portions of the system's electrical and fluidics systems are allocated between a base unit and a removable/disposable cartridge. Other improvements relate to methods or protocols for operating an SPR sensing system. Such methods provide for the elimination of false positives and increased sensitivity, e.g., by using secondary antibodies with specificity for different target epitopes and by sensor element redundancy. In addition, protocols are provided for the detection of small molecules. Such protocols may employ a competition type assay where the presence of the analyte inhibits the binding of antibodies to surface immobilized analyte, or a displacement assay, where antibodies bound to the analyte on the sensor surface are displaced by free analyte.11-11-2010
20120274941SINTERED CERAMIC, CERAMIC SPHERE, AND DEVICE FOR INSPECTING CERAMIC SPHERE - Provided are a sintered ceramic and a ceramic sphere which are inhibited from suffering surface peeling due to fatigue resulting from repetitions of loading and can attain an improvement in dimensional accuracy when subjected to surface processing and which have excellent wear resistance and durability. A ceramic-sphere inspection device is also provided with which a ceramic sphere is inspected for a flaw present in the surface layer and for snow flakes without destroying the ceramic sphere. The device is a ceramic-sphere inspection device (11-01-2012
20100309472METHOD FOR DETECTING REDISPERSION OF BEADS - The invention provides a method of detecting the redispersion of particles into a solution by means of FTIR or other optical detection methods comprising the following steps: providing a sensor surface with dry particles; illuminating the sensor surface with light along a first optical path and detecting the light reflected by the sensor surface; providing a liquid to a volume in contact with the sensor surface; and detecting the reflected light while the dryparticles redisperse into the liquid. Therein, the angle between first optical path and sensor surface fulfils the condition of total internal reflection. The present invention also provides an FTIR cartridge for use in said method comprising a sensor surface accessible for FTIR detection, said sensor surface comprising at least one binding area, wherein label particles are situated on said surface.12-09-2010
20120281222METHOD FOR DETERMINING A CHARACTERISTIC OF A CONSUMABLE - The embodiments of the invention relate to a method for determining at least one characteristic of a physical resource for use in a physical resource consuming apparatus.11-08-2012
20130155409METHOD FOR DETERMINING THE ACTIVE DOPING CONCENTRATION OF A DOPED SEMICONDUCTOR REGION - A method and system for optically determining a substantially fully activated doping profile are disclosed. The substantially fully activated doping profile is characterized by a set of physical parameters. In one aspect, the method includes obtaining a sample comprising a fully activated doping profile and a reference, and obtaining photomodulated reflectance (PMOR) offset curve measurement data and DC reflectance measurement data for the sample including the fully activated doping profile and for the reference. The method also includes determining values for the set of physical parameters of the doping profile based on both the photomodulated reflectance offset curve measurements and the DC reflectance measurements.06-20-2013
20130155410Optical Assembly and Method for Determining Analyte Concentration - An optical assembly and method for the non-invasive determination of a concentration of an analyte in a tissue sample is disclosed. The assembly comprises an optical arrangement comprising a first optical interface for reflecting light incident thereon and a second optical interface for reflecting light incident thereon. The second interface comprises an interface between an optical element of the arrangement and the tissue sample under investigation. The light reflected from the first and second interfaces is arranged to combine to generate an interference pattern characteristic of a difference in phase between light reflected from the first interface with the light reflected from the second interface.06-20-2013
20130155408METHODS OF ANALYZING A RESERVOIR FLUID SAMPLE USING A MULTIVARIATE OPTICAL ELEMENT CALCULATION DEVICE - A method of analyzing a fluid sample from a reservoir comprises: collecting the sample in a sampling container, wherein the sample container includes a sample receptacle, and wherein the step of collecting comprises allowing or causing the sample to flow into the sample receptacle; and determining at least one property of the sample, wherein the step of determining comprises using a multivariate optical element (MOE) calculation device, and wherein the step of determining is performed during the step of collecting and wherein the MOE calculation device is located at one end of the sample receptacle, or the step of determining is performed after the step of collecting. The sample is analyzed as the sample flows into the sample container or as the sample is being transferred from the sample container into a container.06-20-2013
20130182257SAMPLE ANALYSIS ELEMENT AND DETECTING DEVICE - A plurality of metallic nano-body groups that includes metallic nano-bodies which are dispersed on a dielectric surface at a first pitch smaller than the wavelength of incident light is arranged in one direction at a second pitch that resonates with the incident light. Localized surface plasmon resonance occurs in the metallic nano-body by the action of the incident light. Propagating surface plasmon resonance occurs by the action of the second pitch. The propagating surface plasmon resonance is combined with the localized surface plasmon resonance. A so-called hybrid mode is established.07-18-2013
20130182258SAMPLE ANALYSIS ELEMENT AND DETECTING DEVICE - A plurality of metallic nano-body groups that includes metallic nano-bodies which are a size smaller than the wavelength of incident light and are dispersed on a dielectric surface is arranged in one direction at a pitch that resonates with the incident light. A long piece extends on the dielectric surface between adjacent metallic nano-body groups. The long piece is formed of a material having no free electron that performs resonance oscillation with the incident light. Localized surface plasmon resonance occurs in the metallic nano-body by the action of the incident light. Propagating surface plasmon resonance occurs by the action of the pitch. The propagating surface plasmon resonance is combined with the localized surface plasmon resonance. A so-called hybrid mode is established. The long piece is helpful in the establishment of the pitch.07-18-2013
20110286001DARK-FIELD DEFECT INSPECTING METHOD, DARK-FIELD DEFECT INSPECTING APPARATUS, ABERRATION ANALYZING METHOD, AND ABERRATION ANALYZING APPARATUS - By including an illumination system and a detection system, an information collecting function of monitoring an environment, such as temperature and atmospheric pressure, and an apparatus state managing function having a feedback function of comparing the monitoring result and a design value, a theoretical calculation value or an ideal value derived from simulation results and calibrating an apparatus so that the monitoring result is brought close to the ideal value, a unit for keeping the apparatus state and apparatus sensitivity constant is provided. A control unit 11-24-2011
20110310392DEVICE AND METHOD FOR INSPECTING AN OBJECT - A method for inspecting an object and an inspection system, the system includes: at least one primary light source followed by at least one illumination path imaging lens adapted to direct at least one primary light beam towards an area of an inspected object; at least one secondary light source followed by at least one collimating component and at least one concentrating component adapted to direct at least one secondary light beam towards the area; wherein the at least one primary light beam and the at least one secondary light beam illuminate the area such that substantially each point within an imaged portion of the area is illuminated over a large angular range characterized by substantially uniform intensity; a collection path that comprises an image sensor, a beam splitter path and a collection path imaging lens; wherein the beam splitter is positioned between the area and between the collection path imaging lens; and wherein the at least one collimating component defines a central aperture through which the at least one primary light beam propagates.12-22-2011
20120019831OPTICAL MEASUREMENT APPARATUS - An optical measurement apparatus using an optical fiber to measure the characteristic of an object to be measured arranged along the circumference of a circle includes a first pulley, a second pulley which is turnable on its own axis at a second angular velocity while revolving about the first pulley at a first angular velocity, and the optical fiber which is held by the second pulley and projects detection light on the object to be measured and receives reflected light from the object to be measured. The first angular velocity and the second angular velocity are the same in magnitude and opposite in the direction. Occurrence of a twist in the optical fiber is suppressed, and therefore, the optical measurement apparatus is capable of measuring the characteristics of the object to be measured with high accuracy.01-26-2012
20120019830METHOD OF MONITORING PROGRESS OF SUBSTRATE POLISHING AND POLISHING APPARATUS - A method of monitoring progress of polishing of a substrate having at least two regions including a first region and a second region with different structures is provided. The method includes: applying light to plural measurement points on the substrate during polishing of the substrate; receiving reflected light from each measurement point; measuring intensity of the reflected light; producing a spectrum of the reflected light from the intensity; classifying the spectrum as spectrum of the reflected light from the first region or as spectrum of the reflected light from the second region based on a shape of the spectrum or the intensity of the reflected light; and monitoring progress of polishing of the substrate based on a temporal change in the spectrum of the reflected light from the first region.01-26-2012
20130208282METHOD FOR POSITIONING AND DETECTING AN INVISIBLE MARK AND DETECTOR FOR IMPLEMENTING SAME - The inventions relate to means for protecting precious and semiprecious stones. In order to provide for an increase in the contrast of an image for a wide range of sizes, an article 08-15-2013

Patent applications in class OF LIGHT REFLECTION (E.G., GLASS)

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