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WITH PLURAL DIVERSE TEST OR ART

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356 - Optics: measuring and testing

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DocumentTitleDate
20130083313INFORMATION CONVEYANCE EFFECT MEASURING SYSTEM, INFORMATION CONVEYANCE EFFECT MEASURING METHOD, DETERMINATION DEVICE, DETERMINATION METHOD, AND RECORDING MEDIUM - An advertisement display device displays an outdoor advertising image and emits light (advertisement ID light) modulated in accordance with the advertisement ID and having the luminance changed temporally in the same direction as the display direction of the outdoor advertising image. Receiving the advertisement ID light, a portable terminal demodulates and decodes it to acquire the advertisement ID and sends advertisement recognition information including the advertisement ID, time, location of the portable terminal, direction from the portable terminal to the advertisement display device, and terminal ID to a server. The server aggregates the advertisement recognition information for each advertisement and for each time window and creates advertising effect information.04-04-2013
20130083314COMBINED MEASUREMENT OF NEUTRON FLUENCE WITH TEMPERATURE AND/OR PRESSURE - A sensor is provided that includes a first optical body having at opposing, spaced sides an incident surface and a reflecting surface. The sensor includes an optical pathway for carrying incident light to the incident surface. The first optical body acts as a Fabry-Pérot etalon, such that a portion of the incident light passes through the incident surface, reflects from the reflecting surface, and then returns along the optical pathway. The first optical body is formed of a material whose optical absorbance increases depending on the neutron fluence experienced by the material, such that a corresponding characteristic attenuation is produced in the reflected light returned along the optical pathway depending on the neutron fluence experienced by the first optical body. The sensor may measure pressure in combination with the measurement of temperature and neutron fluence, and a further sensor is provided for combined measurement of pressure and neutron fluence.04-04-2013
20130044314CAVITY ENHANCED LASER BASED ISOTOPIC GAS ANALYZER - Systems and methods for measuring the isotope ratio of one or more trace gases and/or components of gas mixtures such as different gas species present in a gas mixture. The system includes a resonant optical cavity having two or more mirrors and containing a gas, the cavity having a free spectral range that equals the difference between frequencies of two measured absorption lines of different gas species in the gas, or of two different isotopes, divided onto an integer number. The system includes a continuous-wave tunable laser optically coupled with the resonant optical cavity and a detector system for measuring an absorption of laser light by the gas in the cavity. The detector system includes a photo-detector to measure an intensity of the intra-cavity light, or both a photo-acoustic sensor to measure photo-acoustic waves generated in the cavity and a photo-detector to measure an intensity of the intra-cavity light.02-21-2013
20080259317Angle Calibration of Long Baseline Antennas - A method for calibrating a sensor mounted on an aircraft includes the steps of: using an optical device to create reference points which define a reference line that is parallel to both horizontal and vertical planes of the sensor, and using the reference line to calibrate the sensor with respect to a reference coordinate system.10-23-2008
20110194101SUPERSENSITIZATION OF DEFECT INSPECTION METHOD - An electron microscope, for observing a defect detected by an optical defect inspection device or an optical appearance inspection device, is configured in such a manner that an optical microscope for re-detecting the defect is mounted thereon, and that a polarization-distribution polarizer and a spatial filter are inserted into a pupil plane when the optical microscope is used to observe a dark field.08-11-2011
20130077087METHOD AND DEVICE FOR DETECTING BIOLOGICAL MATERIAL - The invention relates to a method for detecting biological material in an airstream, in which method 03-28-2013
20080231835DIVERGENCE RATIO DISTANCE MAPPING CAMERA - The present invention relates to a method and system for detecting and mapping three-dimensional information pertaining to one or more target objects. More particularly, the invention consists of selecting one or more target objects, illuminating the one or more target objects using a first light source and capturing an image of the one or more target objects, then, illuminating the same one or more target objects using a second light source and capturing an image of the one or more target objects and lastly calculating the distance at the midpoint between the two light sources and the one or more target objects based on the decay of intensities of light over distance by analyzing the ratio of the image intensities on a pixel by pixel basis.09-25-2008
20130033700RADIATION DOSIMETER WITH LOCALIZATION MEANS AND METHODS - A apparatus for accurately measuring radiation beams during treatment which comprises a dosimeter which is used to measure the radiation; an optical marker which is used to determine the patient position; and said dosimeter and said optical marker are connected to one another used to provide and display simultaneously a radiation dose reading and a measurement of the patient's movements during treatment.02-07-2013
20100020311Integrated quartz biological sensor and method - The present disclosure relates to the integration of optical spectroscopy onto a nanoresonator for a sensitive means of selectively monitoring biological molecules. An apparatus and a method are provided for making an apparatus that is a sensor in which both mass detection using a quartz nanoresonator and optical detection using SERS is integrated onto at least one chip, thereby providing redundancy in detection of a species.01-28-2010
20130027687Apparatus for Measuring Optical Characteristics Including Position Detection - An apparatus measuring optical characteristics including position detection is disclosed. A processor is coupled to a display. A first optical sensor makes a first measurement, and a second optical sensor makes a second measurement. A source of illumination and the first optical sensor determine a minimal distance between the apparatus and an external object such that illumination emitted by the source is not received by the first optical sensor when the apparatus is less than the minimal distance from the external object. A position of the apparatus with respect to an object and an optical property of light received by the apparatus are determined. A transparent member with a thickness less than the minimal distance may provide illumination external to the apparatus and receive light from external to the apparatus.01-31-2013
20130027686Analysis Device and Method - An analysis device, having a sample container unit (01-31-2013
20130208262METHOD FOR MONITORING FUGITIVE GAS EMISSIONS FROM THE SOIL, VIA VERTICAL CONCENTRATION MEASUREMENTS - Method for the quantification of the fugitive gas flow from a dispersed source (A) by monitoring with a remote detection optical instrument mounted on an aircraft (UAV) which moves at a determined height along a plane (08-15-2013
20130070233IMAGE FORMING APPARATUS HAVING OPTICAL SENSOR SYSTEM, OPTICAL SENSOR SYSTEM HAVING SHIELDS, AND METHOD THEREOF - An optical sensor system includes a source module and a detection module. The source module includes a source housing unit having a source window member and a source shielding member. The source module emits a detection signal through the source window member. The detection module includes a detection housing unit having a detection window member and a detection shielding member. The detection module is spaced apart from the source module. The detection module detects the detection signal emitted from the source module at the detection window member.03-21-2013
20130070234BROADBAND POLARIZATION SPECTROMETER WITH INCLINED INCIDENCE AND OPTICAL MEASUREMENT SYTEM - An oblique incidence broadband spectroscopic polarimeter which is easy to adjust the focus, achromatic, maintains the polarization and has simple structure is provided. It comprise at least one polarizer (P, A), at least one curved reflector element (OAP03-21-2013
20130050683EXTENDING IMAGE INFORMATION - The present invention relates to a system for extending microscopy information, where the microscopy information is image information from a first region (02-28-2013
20130088710Optical Guide-Based Displacement/Force Sensor - A displacement and force sensor device using as a transducer an opto-mechanical assembly including an optical guide is claimed here. The transducer operates in bending mode, where the amount of bending induces a change in light signal intensity propagating through the transducer. The change in light signal is proportional to the bending and proportional to the force applied on the transducer after calibration of the said transducer. The transducer is free-ended and needs at least one point of contact with the test specimen to induce bending or with the material in contact with the test specimen. The sensor can give information about displacement and force. Said specimen can be solid, liquid or gas. The transducer can be incorporated into a material which stiffness is measured. The transducer is capable of sensing displacement in the sub-pm scale, with sub-ms time resolution, and to measure forces as small as 1004-11-2013
20130088708APPARATUS FOR OPTICALLY DETECTING FOREIGN OBJECT - An apparatus for optically detecting foreign object in a tunnel of a valuable document validator includes a light emitter, a light detector, a beam splitter, a beam combiner, a first reflector and a second reflector. The beam splitter splits a light beam emitted from the light emitter into a first beam and a second beam. The beam combiner combines the first beam and the second beam and transmits the combined light beam to the light detector. The first reflector reflects the second beam. The second reflector receives the second beam reflected by the first reflector and reflects the second beam to the beam combiner.04-11-2013
20130088709Flexible Nonlinear Laser Scanning Microscope for Noninvasive Three-Dimensional Detection - A nonlinear laser scanning microscope for flexible, noninvasive three-dimensional detection comprising a measuring head which is flexibly connected to at least one radiation source by transmission optics and can be freely positioned in space, at least one controllable tilt mirror is arranged for aligning the excitation beam in order to keep the excitation beam concentric to an aperture-limited optical element of the measuring head, a test beam which is coupled out of the excitation beam onto a spatially resolving photodetector for monitoring the center alignment of the test beam as a conjugate position to the target position of the excitation beam and directional stabilizing the excitation beam by a control unit of the tilt mirror depending on a determined deviation.04-11-2013
20130088707METHOD AND SYSTEM FOR CRACK DETECTION - A system and method for crack detection in an object using a first and a second beam of light. According to the method, a surface of the object is scanned by directing onto the object a first and a second beam of light. The first beam of light forms a localized grating pattern on the scanned surface and the second beam of light probes the scanned surface where the localized grating pattern is formed. A reflected probing beam is received. The reflected probing beam comprises a reflection of the second beam of light from the scanned surface where the localized grating pattern is formed. The reflected probing beam is analyzed to detect a signature of a crack in the object.04-11-2013
20120218544ALIGNMENT SYSTEM - Disclosed is a system for aligning a collimator tube with an alignment ring used to hold a film or sensor aligned with the collimator tube. The disclosed alignment system includes a light source, a light detector, and a reflective surface, where, when the collimator and alignment ring are aligned, light emitted from the light source reflects off the reflective surface and is received by the light detector.08-30-2012
20090290145ELECTRICAL AND OPTICAL SYSTEM AND METHODS FOR MONITORING EROSION OF ELECTROSTATIC CHUCK EDGE BEAD MATERIALS - A disclosed device comprises an edge bonding seal configured to be mounted to an edge bead of the electrostatic chuck. The edge bonding seal includes a monitoring layer comprised of a first material configured to either emit a species capable of being optically monitored or having an electrical resistance value capable of being monitored, or both. The edge bonding seal further includes an edge bonding layer configured to be interspersed at least between the monitoring layer and the plasma environment. The edge bonding layer is comprised of a second material susceptible to erosion due to reaction with the plasma environment and configured to expose the monitoring layer to the plasma environment upon sufficient exposure to the plasma environment.11-26-2009
20110013175METHOD AND APPARATUS FOR IN-SITU METROLOGY OF A WORKPIECE DISPOSED IN A VACUUM PROCESSING CHAMBER - A method and apparatus for in-situ metrology of a workpiece disposed in a vacuum processing chamber. The apparatus may include an optical assembly external to the processing chamber configured to focus a relatively large optical spot over a relatively large working distance to acquire a TE and TM spectra from a periodic array on the workpiece. The workpiece may be disposed in the processing chamber with an arbitrary orientation which is first determined via a reflectance measurement. TE and/or TM spectra may then be acquired by initiating a periodic triggering of a flash lamp based on the determined workpiece orientation to account for variation in placement of the workpiece within the processing chamber. The periodic array from which spectra are collected may be a memory array being fabricated in a semiconductor wafer.01-20-2011
20130063717LAMINATED STRUCTURE FOR MEASURING REFLECTED LIGHT INTENSITY, DEVICE CONTAINING LAMINATED STRUCTURE FOR MEASURING REFLECTED LIGHT INTENSITY, AND METHOD FOR MEASURING FILM THICKNESS AND/OR MASS AND/OR VISCOSITY OF THIN FILM - The present invention provides a laminated structure for measuring reflected light intensity able to measure the thickness of a surface adsorbed film with high sensitivity by a simple optical technique.03-14-2013
20130063718DEVICE FOR THE OPTICAL MEASUREMENT OF A PHYSICAL PARAMETER03-14-2013
20130162981Reader Devices for Optical and Electrochemical Test Devices - This invention relates generally to devices and methods for performing optical and electrochemical assays and, more particularly, to devices having optical and electrochemical detectors and to methods of performing optical and electrochemical assays using such devices. The present invention is particularly useful for performing immunoassays and/or electrochemical assays at the point-of-care.06-27-2013
20090237648Dual Pulse Single Event Raman Spectroscopy - Systems and methods for performing Raman spectrometry wherein a Raman spectroscopy system is mounted on a vehicle for on the move contaminant analysis. The system is configured to interrogate a target with a laser at a predetermined pulse repetition frequency (PRF), wherein during each PRF cycle, defined as 1/PRF, the laser is dual pulsed at a first wavelength and at a second wavelength. Raman spectra are collected and used to identify the target by matching a Raman signature with a given collected Raman spectra.09-24-2009
20110279811TEST APPARATUS, TEST METHOD, AND DEVICE INTERFACE - Provided is a test apparatus that tests a device under test including an optical coupler for transmitting optical signals in a surface direction and a first groove for holding an optical transmission path connected to the optical coupler. The test apparatus comprises a substrate on which the device under test is to be loaded; an optical transmission path to be connected to the optical coupler; and a pressing section that presses the optical transmission path from the substrate side toward the first groove. Also provided is a test method.11-17-2011
20110279810High Throughput Quantum Efficiency Combinatorial Characterization Tool and Method for Combinatorial Solar Test Substrates - Simultaneous measurement of an internal quantum efficiency and an external quantum efficiency of a solar cell using an emitter that emits light; a three-way beam splitter that splits the light into solar cell light and reference light, wherein the solar cell light strikes the solar cell; a reference detector that detects the reference light; a reflectance detector that detects reflectance light, wherein the reflectance light comprises a portion of the solar cell light reflected off the solar cell; a source meter operatively coupled to the solar cell; a multiplexer operatively coupled to the solar cell, the reference detector, and the reflectance detector; and a computing device that simultaneously computes the internal quantum efficiency and the external quantum efficiency of the solar cell.11-17-2011
20110134414METHOD FOR CONTACTLESS MEASUREMENT OF THE DENSITY OF A POROUS MATERIAL, USING A MEASUREMENT OF THE REFRACTIVE INDEX OF THE MATERIAL BY OPTICAL COHERENCE TOMOGRAPHY - A method for contactless measurement of the density of a porous material, using a measurement of the refractive index of the material by optical coherence tomography.06-09-2011
20090002685BIOLOGICAL INFORMATION IMAGING APPARATUS, BIOLOGICAL INFORMATION ANALYZING METHOD, AND BIOLOGICAL INFORMATION IMAGING METHOD - A biological information imaging apparatus includes: a light source; an acoustic, wave detector that detects an acoustic wave generated from a light absorption material in a living body that has absorbed a part of energy of light irradiated from the light source to the living body, and converts it into a first electric signal; a photodetector that detects optical intensity of a portion of the light irradiated from the light source to the living body and propagating in the living body, and converts it into a second electric signal; and a calculation unit that calculates optical property distribution information on the living body by making use of an analytical result of one of the first electric signal and the second electric signal for analysis of the other electric signal.01-01-2009
20100033710BROAD SPECTRAL BAND SENSOR - A sensor and system combine photo-acoustic sensing with elastic wave modulation to obtain one dimensional and two-dimensional broadband images.02-11-2010
20090046274Light Scattering Methods and Systems Using Supercritical Fluid Solvents to Measure Polymer Molecular Weight and Molecular Weight Distribution - Light scattering processes are employed to measure molecular weight and related characteristics of polymeric materials, including without limitation refractory fluoropolymers. The processes utilize a pressurized cell and a fluid under pressure to solubilize the polymeric materials and to enable light scattering measurements to be performed.02-19-2009
20090213362OPTICAL MEASURING SYSTEM - An optical measuring system has a first optical measuring instrument and a second optical measuring instrument. The optical measuring system includes a first optical path to guide a first beam from a measuring region to the first optical measuring instrument, a second optical path to guide a second beam from the measuring region to the second optical measuring instrument, an optical system through which the first and second optical paths extend and in which the first and second optical paths are paraxial, a reflection area to change the direction of the first optical path, the second optical path crossing the reflection area, and a light transmission area arranged at a position where the reflection area and second optical path cross each other, the light transmission area having a higher light transmittance than the reflection area.08-27-2009
20120033204COVERT LABEL STRUCTURE - A covert label structure comprising a three dimensional diffracting optical element layer (02-09-2012
20120033203APPARATUS FOR THE ANALYSIS OF A FLUID - The invention relates to an apparatus for the analysis of a fluid which is present in a line or in a container. It can e.g. be a gas flow in a gas line. The apparatus has an optoelectronic apparatus for the optical analysis. The optoelectronic apparatus itself includes at least two housing parts having housing flanges for flanging the apparatus to a wall of the line or of the container so that the housing parts are disposed opposite one another, a light transmitter and a light receiver which define an optical measurement path between them within the line or the container and an evaluation device. A temperature sensor for detecting the fluid temperature and/or a pressure sensor for detecting the fluid pressure is/are provided beside the optoelectronic apparatus. To provide an improved apparatus for the analysis of a fluid with which temperature and/or pressure can be detected in a simple and in particular inexpensive manner, it is proposed that, for detecting the fluid temperature or fluid pressure in the region of the optical measurement path (02-09-2012
20090290146PROBING DEVICE AND A SYSTEM FOR OBTAINING GEOMETRICAL DATA RELATED TO A CAVITY - Disclosed is a probing device for obtaining geometrical data related to a cavity, the probing device comprising at least one light source for generating electromagnetic radiation; a handheld probe body comprising a probe tip for obtaining said geometrical data related to a cavity; at least one light guide for guiding electromagnetic radiation; wherein a first end of said at least one light guide is optically coupled to said probe tip; and wherein the at least one light source is optically coupled to a second end of said at least one light guide and wherein the at least one light source is rigidly connected to said probe body.11-26-2009
20090262334PARTICLE MEASUREMENT SYSTEMS AND METHODS - A system according to one embodiment includes a light source for generating light fringes; a sampling mechanism for directing a particle through the light fringes; and at least one light detector for detecting light scattered by the particle as the particle passes through the light fringes. A method according to one embodiment includes generating light fringes using a light source; directing a particle through the light fringes; and detecting light scattered by the particle as the particle passes through the light fringes using at least one light detector.10-22-2009
20120293791Sample Holder with Optical Features for Holding a Sample in an Analytical Device for Research Purposes - A method for performing time resolved imaging, spectroscopy or diffraction techniques involving a sample held in an analytical device. The method generally includes supporting a sample within an analytical device with a sample holder, conveying a light beam through an internal conduit of a sample holder body of the sample holder and directing the light beam between the sample holder body and the sample with a first light beam positioner of a sample support member of the sample holder, such that the light beam and an energy pulse emitted by an energy source of the analytical device converge on the sample supported by the sample holder within the analytical device.11-22-2012
20100103407Optical characteristic measuring apparatus - An optical characteristic measuring apparatus of the invention includes a sequentially-readable charge storage sensor array having a plurality of light receiving elements. Irradiation of first illumination light and second illumination light is controlled in such a manner that a period for irradiating the second illumination light onto a sample containing a fluorescent material is included in an integration period of each of the light receiving elements for receiving a wavelength component of fluoresced light from the sample in measuring an optical characteristic of the sample. The optical characteristic measuring apparatus having the above arrangement enables to accurately measure the optical characteristics of samples containing a fluorescent material in a short time by scanning the samples.04-29-2010
20100060881Ultrasonic Detection System and Method for the Detection of Transparent Window Security Features in Bank Notes - A system and method for automatically detecting the presence of a perforation, tear, or a transparent window security feature in a bank note. The system includes an optical detection device, and an ultrasonic detection device, and a conveyance device for transporting the bank note along a defined path proximate the detection devices. Each detection device comprises a plurality of optical transmitters and corresponding optical receivers that bracket the note path. A computing device is also provided to determine from the output of the optical detection device the presence of an optical abnormality in the bank note; to determine from the output of the ultrasonic detection device the presence of an ultrasonic abnormality in the bank note; and to determine the presence of a perforation, tear, or transparent window feature based upon the results of the optical abnormality determination or the ultrasonic abnormality determination.03-11-2010
20080239286Display panel, color filter and testing method thereof - A color filter with low color shift is defined by a light leakage spectrum in the dark state. The color filter is disposed between two polarizing plates so as to measure a first spectrum of dark state a(λ), wherein the polarizing directions of the polarizers are orthogonal to each other. A second spectrum of dark state b(λ) while the color filter is removed, and then a ratio spectrum of light leakage intensity I(λ)=(a(λ)/b(λ)) is determined. A maximum value P10-02-2008
20080231838DETECTION SENSOR TO DETECT RECEIVING POSITION OF LASER LIGHT AND LEVEL DEVICE EMPLOYING THE DETECTION SENSOR TO DETECT RECEIVING POSITION OF LASER LIGHT - A detection sensor to detect a receiving position of laser light according to the present invention includes a pair of light receiving element arrays (09-25-2008
20120038908System and Method for Combined Raman and LIBS Detection with Targeting - A system and method for locating and identifying unknown samples. A targeting mode may be utilized to scan regions of interest for potential unknown materials. This targeting mode may interrogate regions of interest using SWIR and/or fluorescence spectroscopic and imaging techniques. Unknown samples detected in regions of interest may be further interrogated using a combination of Raman and LIBS techniques to identify the unknown samples. Structured illumination may be used to interrogate an unknown sample. Data sets generated during interrogation may be compared to a reference database comprising a plurality of reference data sets, each associated with a known material. The system and method may be used to identify a variety of materials including: biological, chemical, explosive, hazardous, concealment, and non-hazardous materials.02-16-2012
20120287420PROBE FOR NEURAL RECORDING AND OPTICAL SPECTROSCOPIC INTERROGATION - In various embodiments, a probe includes at least one shank, optical components disposed within the shank for transmitting light into a sample and collecting light from the sample, and electrical components disposed within the shank for recording an electrical signal from the sample. In certain embodiments, a method includes collecting light from the sample using a first shank of the probe, recording an electrical signal from the sample using a second shank of the probe, and analyzing the collected light and the electrical signal.11-15-2012
20080309918INTEGRATED CHEMICAL SEPARATION LIGHT SCATTERING DEVICE - An integrated chemical separation device includes a single device body, a chemical separation unit configured to separate a chemical from a fluid, a Raman sensor substrate comprising one or more surfaces configured to be adsorbed by molecules of the chemical from the fluid, and a Raman scattering spectrometer unit that can emit a laser beam to illuminate the Raman sensor substrate and to detect the chemical from the light scattered from the Raman sensor substrate. The chemical separation unit, the Raman sensor substrate, and the Raman scattering spectrometer unit are held in or mounted to the single device body.12-18-2008
20080291428FULL SPECTRUM ADAPTIVE FILTERING (FSAF) FOR LOW OPEN AREA ENDPOINT DETECTION - A method for precise endpoint detection during etch processing of a substrate based on adaptive filtering of the optical emission spectrum (OES) data, even in low open area etching, is provided. Endpoint detection performed in this manner offers the benefits of increased signal-to-noise ratio and decreased computation costs and delay when compared to conventional endpoint detection techniques.11-27-2008
20080291429AUTOMATED PROCESS CONTROL USING PARAMETERS DETERMINED FROM A PHOTOMASK COVERED BY A PELLICLE - Provided is a method of controlling a photolithography cluster or a subsequent fabrication cluster using optical metrology to determine profile parameters of a photomask structure covered with a pellicle. An optical metrology model of the pellicle is developed and integrated with the optical metrology model of the photomask structure. The optical metrology model of the photomask taking into account the optical effects on the illumination and detection beams transmitted through the pellicle and diffracted by the photomask structure. One or more profile parameters of the photomask structure is determined and used to adjust one or more process parameters or equipment settings of a photolithography cluster using the photomask or a subsequent fabrication cluster.11-27-2008
20080198364GAS SENSOR - A combined gas sensor device allowing the measuring of the concentration of a gas by tunable diode laser spectrometry as well as by resonant photo-acoustics within one housing. A laser beam used for laser spectrometry is sent across the openings of a measuring cell usually used for resonant photo-acoustic determination. Thus, both measuring principles use the same gas sensing module with a minimum of space consumption, so that the device can be produced with minimum dimensions. Further, a common opto-electronics and electronics platform can be used which reduces the overall costs of such a combined gas sensor.08-21-2008
20080218740Nanowire-based photonic devices - Embodiments of the present invention are related to nanowire-based devices that can be configured and operated as modulators, chemical sensors, and light-detection devices. In one aspect, a nanowire-based device includes a reflective member, a resonant cavity surrounded by at least a portion of the reflective member, and at least one nanowire disposed within the resonant cavity. The nanowire includes at least one active segment selectively disposed along the length of the nanowire to substantially coincide with at least one antinode of light resonating within the cavity. The active segment can be configured to interact with the light resonating within the cavity.09-11-2008
20110007303OPTICAL SYSTEM AND METHODS FOR MONITORING EROSION OF ELECTROSTATIC CHUCK EDGE BEAD MATERIALS - A disclosed device comprises an edge bonding seal configured to be mounted to an edge bead of the electrostatic chuck. The edge bonding seal includes a monitoring layer comprised of a first material configured to emit a species capable of being optically monitored. The edge bonding seal further includes an edge bonding layer configured to be interspersed at least between the monitoring layer and the plasma environment. The edge bonding layer is comprised of a second material susceptible to erosion due to reaction with the plasma environment and configured to expose the monitoring layer to the plasma environment upon sufficient exposure to the plasma environment.01-13-2011
20100265495OPTICAL SYSTEM AND ELEMENT FOR DETECTING ICE AND WATER - An optical system for detecting ice and water on the surface of an aircraft includes an elongated transparent optical element having first and second end portions. A light source and light detector are disposed in one end of the optical element and a reflective surface is disposed in the opposite end portion. The reflective surface defines a critical angle and reflects light from the light source to the light detector when the critical angle is in contact with air and refracts the light toward the external environment when the reflective surface is in contact with ice or water. The system may also incorporate an optical element wherein the reflective surface includes a continuous array of convex elements extending outwardly from and across one end of the optical element and wherein each of the convex elements defines a critical angle.10-21-2010
20130120738Apparatus, Process, and System for Monitoring the Integrity of Containers - Apparatuses, systems, and methods to monitor the integrity of a container protected by a refractory material are disclosed having a first radiation detector to measure an external surface temperature of the container, a first radiation source to measure a thickness of the refractory material, and a central controller configured to display to a user the measurement of the external surface temperature of the container and the measurement of the thickness of the refractory material.05-16-2013
20130120739STRUCTURE FOR CRITICAL DIMENSION AND OVERLAY MEASUREMENT - The invention provides a structure for critical dimension and overlay measurement including a measuring unit, a first measurement pattern for measuring overlay and a second measurement pattern for measuring linewidth, line density and/or line semi-density. The first target pattern includes an outer bar structure disposed on a first layer and an inner bar structure disposed on a second layer; the outer bar structure and/or the inner bar structure has a same shared pattern structure with the second target pattern. The pattern structure includes four bars with the same shape positioned orthogonally and closely to each other, and at least two orthogonally positioned bars include N equally spaced rectangular lines of the same width, wherein, N is an odd number; the N rectangular lines include one central rectangular line and N−1 auxiliary rectangular lines.05-16-2013
20130120742FUEL PROPERTY DETECTION DEVICE - Disclosed is a fuel property detection device that detects optical characteristics and electrical characteristics of fuel. The fuel property detection device detects the concentration of at least one component of fuel in accordance with the optical characteristics and detects the amount of metallic impurities contained in the fuel in accordance with the optical characteristics and with the electrical characteristics. The optical characteristics are represented, for instance, by a photorefractive index or a light transmittance that is obtained when light is incident on the fuel. The electrical characteristics are represented, for instance, by an electrical conductivity, a capacitance, or an AC impedance that is obtained when a voltage is applied between a pair of electrodes disposed to sandwich the fuel.05-16-2013
20090185166MAGNETOMOTIVE OPTICAL COHERENCE TOMOGRAPHY - A spectral-domain magnetomotive optical coherence tomography apparatus, includes (a) a spectral-domain optical coherence tomography device, and (b) a magnet. The magnet is coupled with the optical coherence tomography device so that changes in the magnetic field are coordinated with collection of data by the optical coherence tomography device. This device may be used to examine a sample by spectral-domain magnetomotive optical coherence tomography, which includes examining the sample with a spectral-domain optical coherence tomography device, to collect optical coherence tomography data. The sample contains magnetic particles, and the magnetic particles are subjected to a changing magnetic field during the examining.07-23-2009
20090051900Apparatus and Method for Detecting Particulates in Water - Provided is an apparatus and method for determining a concentration of particulates in water, comprising irradiating a laser beam to a sample for a water quality analysis, and measuring a sound generated upon decomposition of particulates in the sample by the irradiated laser beam to thereby determine a concentration of a material in the sample. The apparatus of the present invention comprises a laser beam generator for generating and outputting a laser beam having a given frequency, an output control unit for controlling an output of the laser beam to a constant level by installation of a filter in a laser beam path of the laser beam generator, a beam splitter for splitting a route of the laser beam output through the output control unit into two routes, a laser beam measurement unit for measuring an output intensity of a portion of laser beam split from the beam splitter and outputting the measured value as an electrical signal, a condensing lens for condensing a portion of laser beam split from the beam splitter, a sample cell for storing analyte water and being positioned in the laser beam path to receive irradiation of condensed laser beam, a beam stopper for absorbing the condensing lens-passed laser beam to prevent leakage of light, an acoustic sensor provided in the sample cell, measuring a sound generated from the sample cell, and outputting the measured value as an electrical signal, and a control unit for receiving the signal of the acoustic sensor, calculating a concentration of particulates and outputting a device control signal.02-26-2009
20090097012OPTICAL ULTRASOUND DEVICE - A new optical ultrasonic analysis transducer is described. The device includes a new detection means for the reflected ultrasound signal. The detector may be incorporated into a microchip design. The detector is compatible with a variety of material and design geometries that may be optimized for the particular application. Versions of the device may optionally include both excitation and receiving elements on the same device or these elements may be separate. Example designs are shown with applications to continuous wave ultrasound analysis useful for example in Doppler fluid flow measurements. Other designs are shown with multiple arrays and multiple excitation transducers to allow flexible three-dimensional imaging apparatus to be built. An equivalent circuit analysis of the frequency response and signal sensitivity provides means to customize material selection and other design parameters for particular applications.04-16-2009
20090219514MEASURING DEVICE, MEASURING APPARATUS AND METHOD OF MEASURING - A measuring device for analyzing an analyte contained in a sample. The device includes a hollow housing, a sample holding part provided inside the housing for holding the sample, a sample supply inlet provided for the housing so as to communicate with the sample holding part, an optical measurement part provided for the sample holding part for making an optical measurement, a reagent holding part provided for the sample holding part for holding a reagent for the optical measurement, and at least one electrode provided on an outer surface of the housing.09-03-2009
20090251687Surface Detection System For Use With A Droplet Spray Oral Cleaning Device - The surface detection system includes a source of an optical interrogating signal (10-08-2009
20120194802METHOD FOR ELECTRONICALLY DETERMINING THE SHOOTING POSITION ON A SHOOTING TARGET - The invention relates to a method for electronically determining the shooting position on a shooting target. Said shooting position is determined in a first impact area (Z) on the shooting target exclusively in an opto-electronic manner and in a second impact area on the shooting target exclusively in an acousto-electronic manner.08-02-2012
20100157288Modular measuring head system - In a modular measuring head system comprising a central module having the shape of a parallelepiped block with six sides, the central module encloses an interior space and is provided on at least five sides with attachment sites, each having at least one opening leading to the interior space. Together with additional modules, the central module forms a modular building structure based on a highly diverse optical measuring head including at least several of an illumination module, a lens module, a mirror module and a camera module. Each of these optional modules can be at least indirectly attached to at least one of the attachment sites.06-24-2010
20090296073Method to create three-dimensional images of semiconductor structures using a focused ion beam device and a scanning electron microscope - A disclosed method produces an image of one or more fabricated features by iteratively producing a cross-section of the features. The method includes milling a surface proximate to the one or more fabricated features where the surface being milled is substantially parallel to a layer in which the feature is located. At each milling step, top-down imaging of the one or more fabricated features produces a plurality of cross-sectional images. Each of the plurality of cross-sectional images is reconstructed into a representation of the fabricated feature.12-03-2009
20100014070MEASURING INSTRUMENT AND METHOD FOR THE MEASURING OF PROPERTIES OF A PARTICULATE SAMPLE - A measuring instrument (01-21-2010
20080278709Optical power measuring apparatus capable of monitoring status of optical fiber contact end - The present invention provides an optical power measuring apparatus capable of monitoring the status, such as cleanness, of an optical fiber contact end face. The disclosed optical power measuring apparatus includes a microscope camera module, an illuminating module, an optical element, an optical power detection unit, a display unit and a central processing unit. The present invention may switch between optical fiber contact end status monitoring and optical power measurement. The apparatus can simplify the complicated steps for an optical fiber to insert to and pull from an optical microscope and then insert to an optical power meter. It can help a user to measure the correct optical power rapidly.11-13-2008
20130135610DEVICE AND METHODS FOR PERFORMING SIZE EXCLUSION CHROMATOGRAPHY - The present invention is directed to a device and a method for performing size exclusion chromatography. Embodiments of the present invention feature devices and methods for size exclusion chromatography at normal high performance liquid chromatography or ultra performance liquid chromatography pressures and above using small particles.05-30-2013
20090033915APC SYSTEM AND MULTIVARIATE MONITORING METHOD FOR PLASMA PROCESS MACHINE - An advance process control (APC) system for a plasma process machine is provided, which includes at least an optical emission spectroscopy (OES) system and an APC analysis apparatus. The OES system is used for monitoring a testing object in the plasma process machine. The APC analysis apparatus is used for analyzing the data received from the OES system.02-05-2009
20110242524FLAT SURFACE INSPECTION APPARATUS - An object is to provide a flat surface inspection apparatus that can prevent sliders from being damaged and detect micro defects. A flat surface inspection apparatus includes: a measured subject; a stage that supports the measured subject; a spindle that rotates the stage; a first part having light sources applying light beam onto the measured subject, a scattered-light-detecting section, a signal processing section that converts the scattered light into information about a first defect, and a first memory section that stores therein the information about the first defect; and a second part having sliders mounted with a contact sensor that detects a second defect smaller than the first defect, a loading/unloading mechanism that flies the slider over the measured subject, a slider control section that controls the loading/unloading mechanism based on the information about the first defects and second defects.10-06-2011
20110176128OPTICAL FILTER, ANALYTICAL INSTRUMENT, OPTICAL DEVICE, AND CHARACTERISTIC MEASUREMENT METHOD - An optical filter includes a first substrate, a second substrate opposed to the first substrate, a first reflecting film provided to the first substrate, a second reflecting film provided to the second substrate, and opposed to the first reflecting film, a first electrode provided to the first substrate, a second electrode provided to the second substrate, and opposed to the first electrode, and a voltage control section adapted to control an electrical potential difference between the first electrode and a second electrode, and when switching a wavelength of a light beam to be dispersed by switching the electrical potential difference between the first electrode and the second electrode, and measuring an intensity of the light beam dispersed, the voltage control section switches the electrical potential difference from a first electrical potential difference to a second electrical potential difference larger than the first electrical potential difference.07-21-2011
20110176127Flow cytometer and flow cytometry - In at least one embodiment, a flow cytometer includes a flow cell defining a sheath flow encompassing a dyed biological particle, a first optical source irradiating first light onto the flow cell, a second optical source irradiating second light onto the flow cell downstream where the first light is irradiated, a first optical detector detecting scattered light or fluorescence from the biological particle to output a first electrical signal corresponding thereto, a plurality of second optical detectors arranged along the flow cell, each of the second optical detectors detecting fluorescence from the biological particle to output a second electrical signal corresponding thereto, and a signal processor summing the second electrical signals output from the plurality of the second optical detectors in a plurality of time windows estimated based upon when the first optical detector detects the scattered light or the fluorescence, thereby to increase the second electrical signals of the fluorescence from the biological particle excited by the second light.07-21-2011
20120200845BIOLOGICAL TISSUE INSPECTION METHOD AND SYSTEM - A method and system for inspecting biological tissue that has no applied coatings or treatments to improve reflectivity comprises an optical detection system with an exposed surface for inspection by an optical detection system; and a laser for exciting an ultrasonic wave within the tissue, which wave propagates within the tissue at least near the surface. The optical detection system includes: a laser to emit a pulsed detection laser beam onto the surface at a detection spot, the pulsed laser beam having a wavelength at which there is large scattering and little absorption by the tissue, and a pulse duration is chosen to correspond with ultrasonic propagation times associated with a range of depths of the scan, whereby the fluence of the detection laser is not applied unless ultrasonic information regarding a given depth is being obtained; and large étendue collection optics for collecting reflected and backscattered light from the detection spot; and a demodulator to extract information from the ultrasonic wave from the collected light.08-09-2012
20100296079SENSING SYSTEM AND METHOD - A sensing system is configured to detect physical parameters of a fluid sample. In particular, the sensing system is configured to detect the dew point of the fluid by reducing temperature of a sensing medium and detecting the fluid condensate on a sensing surface by directing light from a light source to the sensing surface and detecting the light reflected off the sensing surface onto a light detector. The light source and the light detector are on the opposite side of the sensing medium from the sensing surface.11-25-2010
20120092649MAPPING CONCENTRATIONS OF AIRBORNE MATTER - A method of mapping concentrations of airborne matter from an emission source of interest in an emission plume is provided. The method involves measuring airborne matter at one or more than one identified locations using an optical sensing instrument (OSI) operatively connected with one or more than one matter samplers and mounted on a vehicle. The one or more than one airborne matter samplers are passed through an airspace to be sampled, and one or more concentration measurements are obtained. Geographic positions and altitude values for each of the one or more identified locations are established, and a point concentration measurement for the airborne matter for each identified location determined. The concentration measurements are mapped relative to the geographic position and altitude values for each of the one or more identified locations to obtain an airborne matter concentration distribution map in one or more measurement surfaces through a cross-section or profile of the emission plume. The method further comprises a step of determining a representative wind velocity distribution at one or more measurement surfaces and calculating the mass flow rate of airborne matter across the measurement surface in mass per unit time.04-19-2012
20080309919METHOD AND APPARATUS FOR SORTING AND ANALYZING PARTICLES IN AN AEROSOL WITH REDUNDANT PARTICLE ANALYSIS - A method and apparatus for sorting and performing redundant analysis of particles in an aerosol is disclosed. Redundant analysis reduces the possibility of false positive analyses, which is advantageous in the art. The apparatus may comprise an aerosol concentrator, an optical particle analyzer, an electrosprayer and a charged particle analyzer. A method according to the invention may comprise delivering a concentrated aerosol stream to an optical particle analyzer; analyzing each particle of interest and selectively triggering an electrosprayer to electrospray each particle of interest; adding a charge to the particle, which is then moved by electrostatic forces to a charged particle analyzer; and performing a second, redundant analysis of each charged particle collected on the charged particle analyzer to confirm the identity of the particle of interest. The apparatus and method may also be adapted to perform redundant analysis of disguised particles that are coated to disguise their payload.12-18-2008
20080204713Methods and Apparatus for Label-Independent Monitoring of Biological Interactions on Sensitized Substrates - Sensor interrogation systems based on optical phase changes are configured to quantify analytes. Sensor chips and wells can include light scattering regions, light absorbing regions, or tilted regions to reduce or eliminate unwanted portions of an interrogation optical beam. In some examples, a spatial phase modulation is used to compensate static birefringence or to provide a selected sensor bias point. Phase changes can be detected based on state of polarization using interferometry. Optical resonator structures can be used to enhance phase changes to simplify detection of optical phase changes.08-28-2008
20080204714ON-VEHICLE FUEL PROPERTY DETECTION DEVICE - The detection device provides with an optical fiber composed of a core, a clad and a fiber jacket. A grating is applied to the core, and the fiber jacket located at the portion to which the grating is applied is removed so that the clad is in contact with a fuel fed to an injector of a vehicle. The detection device also provides with a light source for incidence of a light in a range of clad mode wavelength to the optical fiber, and a light-sensitive part for detecting an intensity of the light transmitting through the region to which the grating is applied. The optical fiber, light source and light-sensitive part are held in a conduit disposed in a fuel tank or between a fuel pump and the injector of the vehicle.08-28-2008
20110164244Apparatus, System, and Method for Measuring Thread Features on Pipe or Tube End - A first thread feature is measured by detecting with an optical sensor 07-07-2011
20100208242METHOD AND APPARATUS FOR DETERMINING THE THERMAL EXPANSION OF A MATERIAL - A focus error signal resulting from the photothermically-induced expansion is measured in a sample of material under analysis. A laser is disposed as a periodically modulated heating source which is directed to the sample and a device for focus error measuring which is directed to de surface being heated. A device measuring focus error generates a signal representative of the displacement of the surface of material in perpendicular direction due to the expansion produced by the periodic heating, which is filtered, either analogically or digitally, to discriminate the displacement component at the frequency in which it was modulated or at any other related frequency, such any harmonic or a sum with any other modulation. The focus error signal, appropriately calibrated, gives a precise and sensitive measure of the magnitude the expansion. Said magnitude and its dependence with the modulation frequency allows the determination of physical properties such as the thermal expansion or thermal diffusivity coefficient, the thickness of a coating film or the absorption coefficient of the light from the heating beam. By varying the wave length of the directed radiation it is possible to determine the absorption spectrum of the sample even for very small sized particles in which the fraction of absorbed energy is very little.08-19-2010
20110255075Spectrometric assembly and method for determining a temperature value for a detector of a spectrometer - The invention relates to a spectrometric assembly and method for determining a temperature value for a detector of a spectrometer. It is conventional to record the detector temperature in an optoelectronic detector using a thermal temperature sensor in order to compensate for temperature fluctuations. Due to the finite distance between the detector and the temperature sensor, the accuracy of the temperature detection is limited. According to the invention, the detector temperature should be recordable at high accuracy and with little effort. In addition to means for spectral division of incident tight and an optical detector for spectrally resolved detection of a spectral range of the divided light, a second optical detector is provided for detection of a partial range of this spectral range as a reference detector, wherein sensitivity of the reference detector is substantially temperature-independent. The ratio of the signals of both detectors is a highly accurate measurement for the relative temperature of the first detector due to the temperature independence of the sensitivity of the reference detector, and can be determined with little effort.10-20-2011
20120062873SYSTEM AND METHOD FOR DIAGNOSING THE DISEASE STATE OF BREAST TISSUE USING SWIR - A system and method to provide a diagnosis of the breast disease state of a test breast sample. A database containing a plurality of reference SWIR data sets is provided where each reference SWIR data set has an associated known breast sample and an associated known breast disease state. A test breast sample is irradiated with substantially monochromatic light to generate scattered photons resulting in a test SWIR data set. The test SWIR data set is compared to the plurality of reference SWIR data sets using a chemometric technique. Based on the comparison, a diagnosis of a breast disease state of the test breast sample is provided. The breast disease state includes invasive ductal carcinoma or invasive lobular carcinoma disease state.03-15-2012
20100214555METHOD AND APPARATUS FOR THICKNESS MEASUREMENT - The material strength of extensive objects can be determined efficiently by using two distance measurers, wherein a first distance measurer determines the distance to a first main surface of the object and a second distance measurer determines the distance to a second main surface object opposing the first main surface. If potential measurement errors due to the extensive geometry are avoided by determining a reference distance between the first distance measurer and the second distance measurer by a reference unit via X-radiation, the thickness of the object between the first main surface and the second main surface can be determined with high accuracy and velocity.08-26-2010
20080218738METHODS AND APPARATUS FOR DETERMINING PARTICLE CHARACTERISTICS BY MEASURING SCATTERED LIGHT - An instrument for measuring the size and characteristics of a particle contained in a sample of particles. A particle sample is introduced into a sample chamber. The sample particles are subjected to centrifugal forces so that large particles travel in the sample chamber at velocities greater than small particles. Light is shown upon the particles as they travel in the sample chamber. The particles diffract the light. The diffracted light is then received by detectors that convert the diffracted light into corresponding electronic signals. The electronic signals are analyzed to determine the size and characteristics of the particles that caused the diffracted light.09-11-2008
20080218737OPTICALLY ISOLATED CURRENT MONITORING FOR IONIZATION SYSTEMS - Current is measured in an ionization device that includes a high voltage supply, and an emitter electrically coupled to the HV supply. An opto-isolator is provided that includes a light source and a light detector. The light source has a current flowing through it. The light source is electrically coupled to the emitter. The output of the light detector is measured. The output of the light detector is related to the current flowing through the light source.09-11-2008
20080218736Evanescent Wave Sensing Apparatus and Methods Using Plasmons - We describe sensing apparatus using evanescent-wave based optical cavity ring-down plasmon resonance techniques. An optical cavity is formed by a pair of highly reflective surfaces, said an optical path between said surfaces including a reflection from a totally internally reflecting (TIR) surface, the reflection from said TIR surface generating an evanescent wave. The TIR surface is provided with electrically conducting material such that the evanescent wave excites a plasmon within the material. A change in absorption of evanescent wave due to a change in said plasmon excitation is detectable to provide a sensing function. Advantageously light of two different wavelengths straddling the plasmon excitation is employed. Preferably the sensor is a fibre-optic evanescent wave surface plasmon sensor.09-11-2008
20080218735Laser Processing Method And Device - A laser processing method which can efficiently perform laser processing while minimizing the deviation of the converging point of a laser beam in end parts of an object to be processed is provided.09-11-2008
20090180102APPARATUS AND METHOD FOR ANALYZING MILK IN FIELD - Disclosed are an apparatus and a method for analyzing milk in a field, capable of analyzing the quality of milk by rapidly and easily examining components of milk in a field, other than a laboratory. To manage the quality of milk, a monochromator using an interference filter having different wavelength bands is employed to the apparatus for analyzing milk, and the amount of milk samples used at one time is increased, so components of milk are simultaneously examined. The apparatus for analyzing milk has a portable structure, so the components of milk are simply, rapidly and easily determined in the field, and the apparatus for analyzing milk is inexpensive as compared with existing apparatuses, thereby increasing the productivity.07-16-2009
20110261349MULTIMODAL PLATFORM FOR NONLINEAR OPTICAL MICROSCOPY AND MICROSPECTROSCOPY - A method for providing images using a multimodal nonlinear optical microscope is disclosed. The method includes providing a foundation femtosecond laser beam, generating a first femtosecond laser beam and a second femtosecond laser beam corresponding to the foundation femtosecond laser beam, combining the first femtosecond laser beam and the foundation femtosecond laser beam to generate a first combination femtosecond laser beam, and generating a coherent anti-Stokes Raman scattering (CARS) signal based on the first combination femtosecond laser beam. A multimodal nonlinear optical microscopy platform is also disclosed.10-27-2011
20110261348Optical Calibration and Testing Device for Machine Tools - An optical calibration and testing device for machine tools includes a light source unit, a beam splitter, and at least one photo detector. The light source emits a laser light hitting the beam splitter and is split into two beams. One is perpendicular to the foundation of the light source unit, and the other is parallel with the foundation so as to test straightness, inclination angle, verticalness, vertical column inclination, vertical column parallelism and guide bar inclination of a machine tool. If there is no tested error, the position of the testing light spot coincides with that of the initial light spot. If there is an error, the position of testing light spot varies according to the error.10-27-2011
20110304845PARTICLE MEASUREMENT SYSTEMS AND METHODS - A method according to one embodiment includes generating light fringes using a light source; directing a particle through the light fringes; detecting light scattered by the particle as the particle passes through the light fringes using at least one light detector; and determining at least one property of the particle. A system according to one embodiment includes a light source for generating light fringes; a sampling mechanism for directing particles through the light fringes; and at least one light detector for detecting light scattered by each of the particles as the particles pass through the light fringes12-15-2011
20120038907METHOD FOR SEPARATING DETECTION SIGNALS IN THE BEAM PATH OF AN OPTICAL DEVICE - A method for separating detection signals in the beam path of an optical device, different signals being formed in a defined temporal sequence, is wherein a suppression or separation of signals is performed on the basis of the temporal sequence which is known or can be determined/established.02-16-2012
20110317149SPECTRAL CHARACTERISTICS ESTIMATION DEVICE, IMAGE FORMING APPARATUS HAVING THE SAME, AND SPECTRAL CHARACTERISTICS ESTIMATION METHOD - Spectral characteristics of an object is estimated using an extended sensor response, which includes a product of at least two light intensity signals whose wavelength ranges are partially overlapped with each other.12-29-2011
20120206717METHODS OF USING LASER OPTICAL DEVICES - In a method of spatially detecting the chemical composition of nonmetallic components on a surface which is subsequently to be coated with a metallic and/or ceramic and/or organic layer, a laser optical device is provided. The turbine part is irradiated with monochromatic irradiation at a first wavelength (λ08-16-2012
20120008132METHOD AND APPARATUS FOR REVIEWING DEFECT - The present invention provides an apparatus and a method for reviewing a defect with high throughput by detecting the defect to be reviewed with high sensitivity, comprising: an optical microscope; a correction means; and a scanning electron microscope which reviews the existing defect on the sample; wherein the optical microscope has: an optical height detection system which optically detects a vertical position of an upper surface of the sample placed on the stage; an illumination optical system which illuminates the defect with light; an image detection optical system which converges and detects reflected light or scattered light generated from the defect illuminated by the illumination optical system to obtain an image signal; and a focus adjusting means which adjusts a focus position of the optical microscope based on the vertical position of the upper surface of the sample, which is detected by the optical height detection system.01-12-2012
20120026484SIGNAL PROCESSING FOR OPTICAL COMPUTING SYSTEM - The present subject matter relates to methods of high-speed analysis of product samples during production of the product. Light is directed to a portion of a product under analysis and reflected from or transmitted through the product toward optical detectors. Signals from the optical detectors are compared to determine characteristics of the product under analysis. Temperature within the monitoring system may be monitored in order to provide compensation for the signals produced by the optical detectors. The products under analysis may be stationary, moved by an inspection point by conveyor or other means, or may be contained within a container, the container including a window portion through which the product illuminating light may pass.02-02-2012
20120026483CORRELATION INTERFEROMETRIC METHODS, DEVICES AND SYSTEMS FOR LOW COST AND RUGGED SPECTROSCOPY - A correlation interferometric spectroscopy devices are described that detect the spectral characteristics of a sample wherein device consists of an electromagnetic radiation source for exciting a sample with photons; and a detector adapted to detect an arrival time of a photon at the detector and further adapted to detect a delay between the arrival time of different photons. The device may further consist of an autocorrelator adapted to analyze the between the arrival of photons at the detector. The device may also be used together with other spectral detection and characterizing systems, such as Raman spectroscopy and attenuated total reflectance spectroscopy. Also provided herein are methods, systems, and kits incorporating the correlation interferometric spectroscopy device.02-02-2012
20120206716TARGET APPARATUS AND METHOD - A target includes a contact element having a region of spherical curvature, a retroreflector rigidly connected to the contact element, a transmitter configured to emit an electromagnetic signal, a temperature sensor disposed on the target, configured to measure an air temperature, and configured to send the measured air temperature to the transmitter.08-16-2012
20120062872Mesh Sensor for Measuring Directed Energy - A mesh sensor system for measuring the performance of directed energy weapons at a target has been developed. The mesh sensor system measures the laser irradiance and the thermal response on the target. The system includes a plurality of sensors arranged on the target surface and a plurality connecting lines that connect with the sensors to provide power and retrieve data from the sensors.03-15-2012
20120105830Automated In Situ Contaminant Detection System - The present invention provides apparatuses for in situ chemical analysis of liquid samples.05-03-2012
20120120387Workpiece Characterization System - A workpiece characterization system for obtaining simultaneous measurement of layer and photoluminescence properties of a workpiece. The workpiece characterization system includes an excitation light and an illumination light each impinging upon a surface of a workpiece whereby the workpiece emits photoluminescent light and encodes light from said illumination source with layer information. The excitation light and the illumination light are generated from a single light source. The light from the single light source is filtered to remove wavelengths of light that correlate to light wavelengths emitted from the workpiece as a result of excitation. Wavelengths that correlate to light reflected from the workpiece that may contain encoded information are not filtered.05-17-2012
20120300194UNIVERSAL MULTIDETECTION SYSTEM FOR MICROPLATES - An apparatus for optically analyzing a sample may include an imaging subsystem that images the sample, one or more analyzing subsystems that analyze the sample, a temperature control subsystem that controls a temperature of the atmosphere within the apparatus, a gas control subsystem that controls a composition of the atmosphere within the apparatus, and a control module that controls the various subsystems of the apparatus.11-29-2012
20120250006Acoustic and Optical Illumination Technique for Underwater Characterization of Objects/Environment - The invention provides a method for acoustically and optically characterizing an immersed object of interest by generating a serial plurality of acoustic and optical illumination pulses through a liquid. In addition to the spectral analyses/imaging of objects/environment made possible by the white-light illumination, a target material can be ablated, generating an ionized plume to spectrally identify the target's constituent atoms.10-04-2012
20120250003OPTICAL DETECTION SYSTEM - An optical detection system includes a detector configured to detect a signal emitted from a sample carrier and generate an output indicative of the signal detected by the detector. The sample carrier emits the signal in response to the sample carrier being scanned by an excitation source, the emitted signal is indicative of a structural characteristic of the sample carrier, and the sample carrier includes bulk material, at least one material free chamber and a bulk material/chamber interface for each chamber. The optical detection system further includes a data evaluator that identifies the structural characteristic of the sample carrier based on the output of the detector and generates data indicative of the identified structural characteristic.10-04-2012
20120250005BIOSENSOR SYSTEM FOR SINGLE PARTICLE DETECTION - The present invention is related to a biosensor system for the detection of particles comprising: a biosensor cartridge comprising a sensor surface, a biosensor magnet assembly on one side of the cartridge for generating a magnetic field effective at the cartridge and the sensor surface, the first biosensor magnet assembly comprising at least two magnetic sub-units separated by a gap, a first optical detection system for detecting the particles arranged at the same side of the cartridge as the magnet assembly, whereas the magnet assembly is designed in a way that the optical detection is accomplished through the gap of the magnet assembly.10-04-2012
20110181870PARTICULATE DETECTOR - A particulate detector (07-28-2011
20110181869PARTICLE CHARACTERIZATION DEVICE - Provided is a particle characterization device that can ensure measurement accuracy even though light detecting means has a single configuration, and enables the number of optical elements to be decreased as much as possible to suppress cost increase and reduce the number of adjustment places, and the particle characterization device has an incident side polarizer and an incident side ¼ wavelength plate as an illumination optical system mechanism and, as a light receiving optical system mechanism, an exit side ¼ wavelength plate and an exit side polarizer that can be rotated to a plurality of angle positions around a cell, wherein light attenuating means that prevents a polarization state from being changed is provided on a light path, and a light attenuation rate by the light attenuating means is controlled such that a detected light intensity at each measurement position falls within a measurement range of light detecting means.07-28-2011
20090059206Optical Linear and Rotation Displacement Sensor - A system includes a measuring tool, a fixture, and a rotatable target. The measuring tool includes a light source, an imaging device, and an electronic circuit. The fixture allows the rotatable target to rotate about an axis. The rotatable target includes a surface having microscopic asperities. The imaging device is mounted to provide a sequence of images derived from said microscopic asperities. The electronic circuit is connected to the imaging device for measuring rotation of the rotatable target from the sequence of images.03-05-2009
20120314205DEFECT INSPECTION APPARATUS AND DEFECT INSPECTION METHOD USING THE SAME - A defect inspection apparatus comprises a table on which a substrate is placed, a first detection unit which is disposed above the table to detect an optical signal from the substrate, a second detection unit which is disposed above the table to detect an electrical signal from the substrate, and a signal processing unit which is connected to the first detection unit and the second detection unit to detect a chemical defect using the optical signal and the electrical signal.12-13-2012
20120314204CELL/PARTICLE ANALYZING DEVICE - A cell/particle analyzing device includes a light-emitting unit, a light-diverting unit, a first receiving unit and a second receiving unit. The light-emitting unit generates a first light beam. The light-diverting unit is connected to the light-emitting unit and has an input end, a bidirectional transceiving end and an output end. The input end receives the first light beam generated by the light-emitting unit. The bidirectional transceiving end transmits the first light beam generated by the light-emitting unit and receives a second light beam. The output end outputs the second light beam. The first receiving unit is connected to the output end of the light-diverting unit and receives the second light beam. The second receiving unit is aligned with the bidirectional transceiving end.12-13-2012
20120075620OUTER SHAPE DETERMINATION DEVICE - An outer shape determination device includes: a mounting base having a rectangular mounting surface for placing an object to be subjected to determination thereon; a longitudinal light-emitting optical waveguide, a longitudinal light-receiving optical waveguide, a transverse light-emitting optical waveguide, and a transverse light-receiving optical waveguide which are provided along the periphery of the mounting surface; a heightwise light-emitting optical waveguide and a heightwise light-receiving optical waveguide which are erected upwardly from the mounting surface; a light source connected to light-emitting cores of the longitudinal, transverse and heightwise light-emitting optical waveguides; a photoelectric conversion element connected to light-receiving cores of the longitudinal, transverse and heightwise light-receiving optical waveguides; and an outer shape calculating means for receiving a light interception signal from the photoelectric conversion element to perform a computation process, thereby calculating the outer shape of the object.03-29-2012
20120075619FIBER-OPTIC PROBES AND ASSOCIATED METHODS - Fiber-optic probes are provided comprising an illumination fiber and a plurality of collection beveled fibers. In some embodiments, the fiber-optic probes may further comprise a collection flat-tip fiber. A system comprising a fiber-optic probe operably connected to a spectrometer, wherein the fiber-optic probe comprises an illumination fiber and a plurality of collection beveled fibers is provided. Associated methods are also provided.03-29-2012
20120176603METHOD OF QUANTITATIVELY ANALYZING URANIUM IN AQUEOUS SOLUTIONS - Disclosed herein is a method of quantitatively analyzing uranium in an aqueous solution, the method comprising measuring Raman scattering intensity of water and luminescence intensity of uranium standard solutions having various concentrations (Operation 1); calculating a ratio of the uranium luminescence intensity to the Raman scattering intensity of water for each uranium concentration and plotting a calibration curve therethrough (Operation 2); and measuring Raman scattering intensity of water and uranium luminescence intensity of an unknown sample, calculating a ratio of the measured intensities and determining a uranium concentration thereof by using the calibration curve (Operation 3).07-12-2012
20120314206Apparatus for imaging a sample surface - The invention relates to an apparatus and a method for imaging surface area of a sample having a surface topography with the aid of confocal microscopy, such as confocal Raman and/or fluorescence microscopy. The apparatus comprises a surface topography sensor that provides values for the surface topography. The surface topography values allow for the surface to be maintained in the confocal plane during scanning.12-13-2012
20120081695MOBILE PHONE HYPERSPECTRAL IMAGER WITH SINGLE-FRAME SPATIAL, SPECTRAL AND POLARIZATION INFORMATION - A portable spectroscopic device for acquiring single-frame spatial, spectral, and polarization information of an object. The device includes a modular dispersion element assembly that is coupled to a mobile computing device and disperses light into a plurality of different wavelengths. The mobile computing device includes a sensor and is configured to receive and analyze the plurality of wavelengths. The mobile computing device is also configured to perform automatic calibrations to determine the absolute wavelength axis and make stray-light corrections with minimal user intervention, thus making it amenable for untrained users not familiar with the state of the art. The mobile computing device is also configured to extend dynamic range.04-05-2012
20120320368OPTICAL COHERENCE PHOTOACOUSTIC MICROSCOPY - A system and method for providing an optical coherence photoacoustic (OC-PAM) microscopy. An OC-PAM microscope includes a light source that outputs light, a scanner, a detector, a transducer, and an image processing module. The scanner receives the light and scans the light across a sample. The detector receives reflected light from the sample in response to the scanned light. The transducer detects photoacoustic waves induced in the sample by the scanned light. The image processing module receives output from the detector and the transducer and generates a photoacoustic microscopy (PAM) image and an optical coherence tomography (OCT) image based on the received output from the detector and the transducer. The PAM and OCT image data may be fused to form a single, OC-PAM image. Additionally, a series of PAM images and OCT images, respectively, may be combined to generate three-dimensional PAM and OCT images, respectively.12-20-2012
20120268730SIGNAL PROCESSING FOR OPTICAL COMPUTING SYSTEM - The present subject matter relates to an apparatus and related method of high-speed analysis of product samples during production of the product. Light is directed to a portion of a product under analysis and reflected from or transmitted through the product toward optical detectors. Signals from the optical detectors are compared to determine characteristics of the product under analysis. Temperature within the monitoring system may be monitored in order to provide compensation for the signals produced by the optical detectors. The products under analysis may be stationary, moved by an inspection point by conveyor or other means, or may be contained within a container, the container including a window portion through which the product illuminating light may pass.10-25-2012
20100231895QUANTITATIVE PHASE-IMAGING SYSTEMS - An optical system performs imaging in a transmissive and reflective mode. The system includes an optical interferometer that generates interference phenomena between optical waves to measure multiple distances, thicknesses, and indices of refraction of a sample. Measurements are made through a galvanometer that scans a pre-programmed angular arc. An excitation-emission device allows an electromagnetic excitation and emission to pass through an objective in optical communication with the sample. An electromagnetic detector receives the output of the optical interferometer and the excitation-emission device to render a magnified three dimensional image of the sample.09-16-2010
20130010283DARK FIELD OPTICAL COHERENCE MICROSCOPY - The invention relates to an optical coherence microscopy system for fast, phase resolved imaging by means of optical coherence microscopy with decoupled illumination and detection apertures, producing a dark-field effect with an enhanced optical contrast. The setup uses a light source with an appropriate temporal coherence, an interferometer and an array detector combined with a spectrometer. The dark-field effect is produced by optical filter means in the illumination and detection paths, positioned in conjugated planes of the sample microscope objective. These optical means comprise for example refractive or diffractive elements, amplitude or phase masks, or programmable spatial light modulators. The object is scanned via a scanning unit allowing a point scan of the object.01-10-2013
20130010284SYSTEM AND METHOD FOR VERIFYING THE CONTENTS OF A FILLED, CAPPED PHARMACEUTICAL PRESCRIPTION - A system for verification of dispensed pharmaceuticals includes: a housing; a bar code scanning station mounted on the housing; a vision station mounted on the housing; a spectroscopy station mounted on the housing; an offloading station mounted on the housing; one or more conveyors mounted on the housing to convey pharmaceutical vials between the bar code scanning, vision, spectroscopy and offloading stations, and a controller associated with the bar code scanning, vision, spectroscopy and offloading stations and the conveyors to control their operations. A system of this configuration can use both vision and spectroscopy to verify the identity of the pharmaceutical in the container.01-10-2013
20130010285VARIABLE SPECTRAL ELEMENT - The variable spectroscopic element includes a pair of optical substrates 201-10-2013
20130016340Apparatus and method for measuring color - Color measuring systems and methods are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected from the surface of the object 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 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.01-17-2013
20120147358SWIR targeted agile Raman (STAR) system for on-the-move detection of emplace explosives - The present disclosure provides for a system and method for detecting explosives and other materials in a sample scene. First interacted photons are produced from a target area wherein the first interacted photons are generated via solar radiation. The first interacted photons are assessed to thereby generate a SWIR hyperspectral image. The SWIR hyperspectral image is analyzed to identify an area of interest likely of comprising an explosive material. The area of interest is illuminated using laser light illumination to generate second interacted photons from the area of interest. These second interacted photons are assessed to determine whether it not an explosive material is present in the area of interest. The system and method may be configured in standoff, OTM, static and UGV configurations.06-14-2012
20080252878LIGHT ANALYZER DEVICE AND METHOD FOR DETECTING OBJECTS UTILIZING THE LIGHT ANALYZER DEVICE - A light analyzer device and a method for detecting objects utilizing the light analyzer device are provided. The light analyzer device includes a focal plane array configured to receive the light that has passed through a light filter and to generate a first digital image based on the light that has passed through the light filter. The light analyzer device further includes a microprocessor operably coupled to the focal plane array. The microprocessor is configured to receive the first digital image, and to determine whether the first digital image corresponds to a stored digital image. The light analyzer device further includes a light emitting device operably coupled to the microprocessor. The microprocessor is further configured to induce the light emitting device to output a visual indicator indicating that the first digital image corresponds to the stored digital image.10-16-2008
20080246954FLUORESCENCE DETECTOR AND LIQUID CHROMATOGRAPH HAVING THE FLUORESCENCE DETECTOR - The fluorescence detector includes: a flow cell provided on a flow passage for flowing a sample; a sample temperature control block for keeping the flow cell and the flow passage located on the sample inlet side of the flow cell at a constant temperature; an excitation optical system; a fluorescence optical system having a photodetector and used for guiding fluorescence emitted from a sample flowing through the flow cell to the photodetector and detecting the fluorescence; a photodetector temperature control block for keeping the photodetector at a constant temperature; and a temperature control unit having a simultaneous temperature control block united with both the temperature control blocks and a temperature control system provided to be in contact with the simultaneous temperature control block to heat and/or cool the simultaneous temperature control block.10-09-2008
20080246953TRANSMISSION CONCENTRATION DEVICE CAPABLE OF REDUCING ENVIRONMENTAL TEMPERATURE EFFECT - A transmission concentration device capable of reducing environmental temperature effect comprises mainly a concentration detector arranged in the fluid communication space of a fluid circulating apparatus in a fuel cell system where the fluid temperature in the concentration detector and the fuel cell is equal to help minimize measurement error brought about by the effect of environmental temperature.10-09-2008
20080231839Power-saving control method in laser measuring system and laser measuring system - A power-saving control method in a laser measuring system, which comprises a laser rotary irradiation device for forming a laser reference plane by projecting a laser beam in rotary irradiation and a photodetection device for carrying out position measurement by receiving the laser beam, comprising a step of detecting using status of the photodetection device by the photodetection device, a step of selecting steady operation or power-saving mode based on the detection of using status, a step of transmitting a power-saving mode transition instruction to the laser rotary irradiation device by the photodetection device when the power-saving mode is selected, a step of receiving the power-saving mode transition instruction by the laser rotary irradiation device, and a step of executing power-saving control.09-25-2008
20080231837QUANTUM BIT READING DEVICE AND METHOD - An apparatus includes a material in a resonator and containing systems, each of the systems having five energy states, a unit generating first and second pulse that resonate in a second transition and a third transition, respectively, a unit controlling the first and second pulse to make the first and second pulse temporally overlap each other to obtain third light, a unit emitting the third light to each system, a unit generating observation light to be coupled to the resonator mode, a unit introducing the observation light to the resonator from an outside thereof, a unit reading one of quantum bits by measuring an intensity of one of reflected light and transmitted light of the observation light, a unit controlling the first and second pulse to make the first and second pulse temporally overlap each other to obtain fourth light, and a unit emitting the fourth light to each system.09-25-2008
20080231836Fuel Cell with Fuel Monitoring System and Method of Use - A fuel cell (09-25-2008
20130169952Method for Spore Detection - A method of detecting the presence of bacterial spores in a sample comprises non-destructively to the spores carrying out the steps of assessing the absorption, reflectance, and/or index of refraction (IOR) of the sample, subjecting the sample to UV radiation, and reassessing the absorption, reflectance, and/or index of refraction (IOR) of the sample to determine the presence or absence of spores. A detector is also disclosed.07-04-2013
20130176555DEVICE AND METHOD FOR DETECTING FLAWS IN CONTINUOUSLY PRODUCED FLOAT GLASS - The invention relates to a method and device for detecting flaws in a continuously produced float glass band by checking a glass strip, which extends perpendicularly to the conveying direction and which is observed in transmitted light. The device has the following characteristics: a) the flow of a float glass band is monitored without any gaps by a modularly constructed fastening bridge, scanning sensors fastened to the fastening bridge and two transmission lighting means arranged perpendicular to the glass band, b) each scanning sensor can be oriented by an adjusting apparatus according to the three spatial coordinates in positive and negative directions and can be finely adjusted by a target apparatus that can be pivoted in, in the form of an artificial measurement plane, and c) the lighting means are cooled by a cooling apparatus.07-11-2013
20080218739Laser measuring system - A laser measuring system, which comprises a laser rotary irradiation device for forming a laser reference plane by projecting a laser beam in rotary irradiation, and a photodetection device for performing position measurement by receiving the laser beam, wherein the laser rotary irradiation device comprises a laser beam emitter, an emission light amount adjusting means for adjusting light amount of the laser beam of the laser beam emitter, and a first communication means for performing communication with said photodetection device, and wherein the photodetection device comprises a photodetector for detecting the reference plane, a second communication means for performing communication to and from the laser rotary irradiation device, and a control unit for calculating whether a photodetection signal from the photodetector is within a predetermined range or not, wherein the first communication means transmits a laser beam emitting condition of the laser rotary irradiation device to the second communication means, and the second communication means transmits a photodetecting condition of the photodetection device to the first communication means.09-11-2008
20120250004Methods for measuring and modeling the structural health of pressure vessels based on electronic distance measurements - Methods are disclosed wherein the structural health of a civil structure, pressure vessel, or the like is measured by electronic distance measurement (EDM) from a plurality of stable locations to a plurality of cardinal points on the structure in a methodical manner. By measuring the coordinates of the cardinal points, the dynamic and long-term static behavior of the structure provide an indication of the health of the structure. Analyses includes: comparison to a Finite Element Model (FEM); comparison to historical data; and modeling based on linearity, hysteresis, symmetry, creep, damping coefficient, and harmonic analysis.10-04-2012
20130169954VERSATILE SURFACE PLASMON RESONANCE ANALYZER WITH AN INTEGRAL SURFACE PLASMON RESONANCE ENHANCED FLUORESCENCE MODE - An instrument for measuring and analyzing surface plasmon resonance on a sensor surface has a polarized light source optically connected to the sensor surface by a plurality of optical elements, including in one embodiment an optical telescope that transfers light from a rotatable reflecting surface to the sensor surface. Selective positioning of a cylindrical lens into a first position within the path of light transforms collimated light to a rectangular wedge that is incident upon the sensor surface at numerous angles. In another embodiment, the light source is operated as a laser to excite fluorescence on the sensor surface and the fluorescence is selectively directed to a detector by appropriate optical elements positioned in specific configurations.07-04-2013
20130169953SYSTEM AND METHOD FOR MEASURING NARROW AND WIDE ANGLE LIGHT SCATTER ON A HIGH-SPEED CELL SORTING DEVICE - The various embodiments disclosed herein utilize multiple lasers that have different wavelengths and a single detection path. The lasers are mounted orthogonal to one another so that one laser will provide a forward angle light scatter (FALS) signal in the detection path, and one laser will provide a side scatter signal in the detection path (i.e., the single detection optics are approximately in-line with the FALS laser and approximately orthogonal to the side scatter laser). The single detector path spectrally separates the forward and side scatter signals prior to applying them to their respective detectors for measurement.07-04-2013
20110273703OPTO-MECHANICAL SWITCH - An opto-mechanical switch produces different optical paths from two optical path sections out of a plurality of optical path sections that are oriented in different spatial directions. The switch has an optical component on which one end of each optical path section impinges, and which is adapted to be moved linearly in a direction of movement at right angles to the optical path sections between different switching positions, in which it selectively couples different optical path sections optically with each other. Further provided is a measuring system for the analysis of fluids, having such an opto-mechanical switch.11-10-2011
20110222050OPTICAL MEASURING DEVICE AND OPTICAL MEASURING METHOD - Disclosed herein is an optical measuring device including: a light applying section configured to apply exciting light to a sample flowing in a channel; and a scattered light detecting section configured to detect scattered light generated from the sample irradiated with the exciting light on the downstream side of the sample in the traveling direction of the exciting light; the scattered light detecting section including a scattered light separating mask for separating the scattered light into a low numerical aperture component having a numerical aperture not greater than a specific value and a high numerical aperture component having a numerical aperture greater than the specific value; a first detector for detecting the low numerical aperture component; and a second detector for detecting the high numerical aperture component.09-15-2011
20130148106ARRANGEMENTS AND METHODS FOR PROVIDING MULTIMODALITY MICROSCOPIC IMAGING OF ONE OR MORE BIOLOGICAL STRUCTURES - Method and apparatus according to an exemplary embodiment of the present invention can be provided. For example, first data associated with a first signal received from at least one region of at least one sample can be provided based on a first modality, and second data associated with a second signal received from the at least one sample can be provided based on a second modality which is different from the first modality. Third data associated with a reference can be received. Further data can be generated based on the first, second and third data. In addition, third data associated with a second signal received from the at least one sample can be obtained. Each of the third data can be based on a further modality which is different from the first modality and the second modality, and the further data can be further determined based on the third data. Further, the first modality can be a spectral-encoded modality, and the second modality can be a non-spectral-encoding modality.06-13-2013
20120274924PRE AND POST CLEANING OF MASK, WAFER, OPTICAL SURFACES FOR PREVENTION OF CONTAMINATION PRIOR TO AND AFTER INSPECTION - A method and apparatus for preventing or minimizing contamination on a critical surface is disclosed. The method and apparatus for preventing or minimizing contamination on the critical surface may be an integrated component of an inspection system, and the cleaning process may be applied prior to the inspection process (may be referred to as pre-cleaning) which may greatly reduce photon-induced contamination. In addition, the cleaning process in accordance with the present disclosure may also be applied upon completion of the inspection process (may be referred to as post-cleaning).11-01-2012
20120281204FLUORESCENCE MEASUREMENT DEVICE AND FLUORESCENCE MEASUREMENT METHOD - Disclosed herein is a fluorescence measuring apparatus capable of more accurately measuring fluorescence emitted when an object to be measured is irradiated with laser light.11-08-2012
20120281203MEANS FOR DETECTING LUMINESCENT AND/OR LIGHT-SCATTERING PARTICLES IN FLOWING LIQUIDS - The invention relates to a probe for detecting luminescent and/or light-scattering particles in flowing liquids, having a measurement cell containing a pipeline channel through which the liquid to be measured flows, at least one transparent window in a wall of the pipeline, at least one light source for producing a dimensioned excitation light beam, which excites, through the window, the luminescent and/or the light-scattering particles in the pipeline channel in an optically limited light volume, at least one detector, which records, through the window or through a further window, light emitted by the luminescent and/or the light-scattering particles, wherein the measurement cell is configured such that the dimensioned excitation light beam and the emitted light are orientated such that they are perpendicular to each other and each particle moves rectilinearly within the measurement volume parallel to the liquid stream at a fixed angle to the excitation light. The invention also relates to a method for detecting luminescent and/or light-scattering particles in flowing liquids and to the use of the probe according to the invention and of the method for online monitoring of a production plant, in particular of a plastics production plant or a wastewater treatment plant.11-08-2012
20130182242MEASUREMENT SYSTEM FOR OPTICAL TOUCH TRIGGER OR SCANNING PROBE WITH A CONCAVE MIRROR - Method for determining the position and/or displacement of a mobile element with respect to a fixed frame, including using a fixed light source emitting a light beam, arranging the source with respect to the mobile element and a sensor to induce an interaction between the beam and sensor, includes using a concave mirror, integral in movement with the mobile element, for reflecting the beam in direction to the sensor, arranging on the path of the beam a fixed optical mask which presents a two dimensional regular pattern interlaced with an absolute code, detecting and processing the image casted by the mask on the sensor, computing the displacement value of the image on the sensor and using the computed displacement value for computing and providing the position and/or the displacement in at least one direction of the mobile element in dependence of the image's displacement.07-18-2013
20130155390FILM THICKNESS MONITOR - A measurement unit comprising a light source and a photodetector may be formed in a cavity in a substrate. The light source produces light that impinges a material layer and is reflected back to the photodetector. Through methods such as interferometry and ellipsometry, the thickness of the material layer may be calculated from the light intensity data measured by the photodetector. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.06-20-2013
20130120740MATERIAL-WORKING DEVICE WITH IN-SITU MEASUREMENT OF THE WORKING DISTANCE - A material-working device with working beams of a beam generator and with in-situ measurement of a working distance between the beam generator and a workpiece, the material-working device including a working laser; a laser scanner for the working laser, the laser scanner including a two-dimensional deflecting device with scanner mirrors and a variable refocusing device at varying working distances; and a sensor device including a spectrometer and at least one sensor light source, wherein measuring beams together scan a working area of the workpiece by the laser scanner and an objective lens while gathering the working distance, and the measuring beams of at least two of the light sources of the sensor device being linearly polarised and being coupled into a working beam path of the laser scanner of the material-working device by an optical coupling element in a collimated state with crossed polarisation directions.05-16-2013
20130120741CHEMICAL AND MOLECULAR IDENTIFICATION AND QUANTIFICATION SYSTEM UTILIZING ENHANCED PHOTOEMISSION SPECTROSCOPY - An enhanced photoemission spectroscopy (EPS) system uses at least three photoelectric detection processes to identify a substance or substances in a target. The target can be in a container, and the EPS system accounts for this in the identification process. The photoelectric detection processes include Raman scattering, fluorescence and spectral reflection. The EPS system uses all three processes to generate spectral data that is then combined to derive a target signature. The target signature is then compared to stored signature data to determine the substance or substances in the target.05-16-2013
20130194564METHOD AND APPARATUS FOR MEASURING PHOTOVOLTAIC CELLS - A solar simulator is disclosed having a test chamber for receiving a photovoltaic device for testing, an illumination source for selectively illuminating the photovoltaic device to produce a test signal therefrom, a spectrophotometer for providing a measurement of the spectral distribution of the output of the illumination source, a database containing spectral response information of monitor cell, reference device and DUT, and a computation device for receiving said test signal and said measurement, wherein the computation device converts said test signal into a test value based on said measurement.08-01-2013
20130201470TARGET APPARATUS AND METHOD - A method is provided of obtaining the characteristics of a target by a device. The method includes providing the target having a target frame of reference, a retroreflector and a body. Providing a contact element rigidly fixed with respect to the body. A device is provided having a frame of reference and a light source, the device configured to measure a distance and two angles from the device to the retroreflector reference point. An identifier element located on the body. A workpiece surface is provided. The contact element contacts the workpiece surface. The retroreflector is illuminated with light from the light source and returns a reflected light. A distance and two angles are measured based at least in part on the reflected light. The first information is read with a first reader attached to the device. A three-dimensional coordinate of a point on the workpiece surface is calculated.08-08-2013
20120062874System and Method for Combined Raman and LIBS Detection with Targeting - A system and method for locating and identifying unknown samples. A targeting mode may be utilized to scan regions of interest for potential unknown materials. This targeting mode may interrogate regions of interest using SWIR and/or fluorescence spectroscopic and imaging techniques. Unknown samples detected in regions of interest may be further interrogated using a combination of Raman and LIBS techniques to identify the unknown samples. Structured illumination may be used to interrogate an unknown sample. Data sets generated during interrogation may be compared to a reference database comprising a plurality of reference data sets, each associated with a known material. The system and method may be used to identify a variety of materials including: biological, chemical, explosive, hazardous, concealment, and non-hazardous materials.03-15-2012
20130208261PHOTO SENSOR, DISPLAY DEVICE INCLUDING THE SAME AND DRIVING METHOD THEREOF - Provided are a photo sensor, a display device including the same, and a driving method thereof The photo sensor includes: an amplifying element including an input terminal coupled to a scan line for receiving a scan signal, an output terminal configured to output a sensing signal, and a control terminal connected to a first node; a sensing capacitor connected with the first node; a photosensitive sensing element including a control terminal connected with a terminal of a first control signal, an output terminal connected with the first node, and an input terminal; and a reset element connected with the output terminal of the amplifying element and resetting the output terminal of the amplifying element to second voltage according to a reset control signal.08-15-2013
20130208263DEVICE FOR MEASURING, IN A PREDEFINED PLANE, THE POSITIONING OF A MATERIEL DEPOSITED AT THE BOTTOM OF THE WATER AND ASSOCIATED METHOD - A device for measuring magnetic magnitudes and more particularly, a device for measuring, in a predefined plan, the positioning of a material deposited at the bottom of the water, includes: a submersible laser transmitter; and a buoy having a first lower part designed to be at least partially submerged and an upper part designed to be at least partially emerged when the buoy floats on the water, the first part including a lower face arranged facing the bottom of the water when the buoy floats, the lower face being at least partially covered by an array of photodetector sensors able to detect the laser radiation emitted by the transmitter.08-15-2013

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