Entries |
Document | Title | Date |
20080197286 | DEFLECTION DEVICE AND IMAGING APPARATUS - A deflection device includes a tabular object for transmitting or reflecting an electromagnetic wave, a drive unit for driving the tabular object so as to rotate or perform a translation motion, and an electromagnetic wave irradiation unit for irradiating the tabular object with an electromagnetic wave so that an irradiation area extending in a direction intersecting a direction of the rotation or translation motion of the tabular object is formed. The deflection device is characterized in that, in order to change a direction of transmission or reflection of an electromagnetic wave radiated on the irradiation area by the rotation or translation motion of the tabular object, a plurality of grooves extending in an in-plane direction of the tabular object is provided in a section of the tabular object along a longitudinal direction of the irradiation area, and the plurality of grooves is formed so that intervals of the plurality of grooves which passes through the irradiation area are changed by the rotation or translation motion of the tabular object. | 08-21-2008 |
20080203306 | METHOD AND SYSTEM FOR PLASMA-INDUCED TERAHERTZ SPECTROSCOPY - A method of analyzing a remotely-located object includes the step of illuminating at least a portion of a targeted object with electromagnetic radiation to induce a phase transformation in the targeted object, wherein the phase transformation produces an emitter plasma, which emits terahertz radiation. The method also includes the step of ionizing a volume of an ambient gas to produce a sensor plasma by focusing an optical probe beam in the volume and the step of detecting an optical component of resultant radiation produced from an interaction of the focused optical probe beam and the terahertz radiation in the sensor plasma. Detecting an optical component of the resultant radiation emitted by the sensor plasma facilitates detection of a characteristic fingerprint of the targeted object imposed onto the terahertz radiation produced as a result of the induced phase transformation. | 08-28-2008 |
20080265165 | Phase-matched terahertz emitter - Methods and apparatus are disclosed for directing optical radiation to make multiple passes across an extended region of an electro-optic material, where during each pass the electro-optic material converts a portion of the optical radiation into terahertz radiation, and where the optical radiation is directed into the electro-optic material to cause an amplitude of the terahertz radiation generated from one or more earlier passes of the optical radiation to be constructively enhanced by the terahertz radiation generated from a later pass of the optical radiation. | 10-30-2008 |
20080283757 | Method and system for measuring optical properties of scattering and absorbing materials - A system and method for determining a level of effective residual ink concentration (ERIC) in a piece of recycled paper. The piece of paper is illuminated with a beam of radiation and an amount of the beam of radiation reflected and transmitted by the piece of paper is measured. The level of ERIC is determined as a function of the reflected and transmitted radiation. | 11-20-2008 |
20090072147 | Detector Arrangement for Electromagnetic Radiation and Method for Measuring Electromagnetic Radiation - A detector arrangement for electromagnetic radiation has at least an absorbing element and a cantilever sensor which are in operational connection with each other, so that the sensor is bendable in response to electromagnetic radiation absorbed by the absorbing element. The arrangement further includes an interferometer for measuring bending of the cantilever sensor. In a method for measuring electromagnetic radiation, electromagnetic radiation is directed on to the absorbing element and thereby bending of the cantilever sensor is caused. Bending of the cantilever sensor is measured with an interferometer. The cantilever sensor can be a door-like flap made of silicon, attached to one side of a frame of silicon. | 03-19-2009 |
20090101823 | SYSTEM AND METHOD OF MONITORING WITH TEMPERATURE STABILIZATION - A system and method of monitoring with temperature stabilization. The system can include a housing operably connected to a fiber optic cable that provides a light wave thereto, a relay optic for receiving the light wave and being positioned in the housing, a radiation device for processing or producing radiation in the frequency range of 10 GHz to 100 THz from the light wave and being positioned in the housing, a temperature sensor in thermal communication with the housing, and a thermal management device in thermal communication with the housing where the thermal management device adjusts a temperature within the housing based on temperature conditions measured by the temperature sensor. Other embodiments are disclosed. | 04-23-2009 |
20090114822 | TERAHERTZ DISPERSIVE SPECTROMETER SYSTEM - A spectrometer system for providing information about a target with terahertz radiation. The system may receive incident radiation from the target through fore optics, a slit aperture, secondary optics and a dispersive element which images a slit on an array of terahertz sensitive detectors. The detectors may include uncooled sensors. Each sensor may be connected to its own micro antenna. The array of detectors may be situated proximate to the dispersive element so that radiation from the element may be dispersed according to wavelength to the respective detectors optimally sensitive to the various respective wavelengths. Detector signals indicating the impingement of terahertz radiation may provide information for identifying a material of the target. | 05-07-2009 |
20090206263 | Terahertz time domain and frequency domain spectroscopy - A terahertz spectrometer having a wider range of terahertz radiation source, high temporal resolution of scanning (<0.0.099 μm or ˜0.3 pico second) over a wider range of scanning (up to ˜100 pico seconds). Also disclosed are exemplary applications of the spectrometer in biomedical, biological, pharmaceutical, and security areas. | 08-20-2009 |
20090314943 | SYSTEM AND METHOD FOR TERAHERTZ IMAGING - A security inspection system is provided. The security inspection system includes a source configured to transmit a beam of radiation comprising a frequency of at least about 10 GHz. The system also includes an optical system configured to focus the beam of radiation on a sample. The system further includes at least one detector configured to detect one or more reflected beams from different locations of the sample in a focal plane of the optical system and generate a corresponding output signal. The system also includes a processor coupled to the at least one detector and configured to reconstruct a three dimensional image of the sample based upon the output signal. | 12-24-2009 |
20100025586 | MEASUREMENT APPARATUS AND MEASUREMENT METHOD - There is provided a measuring apparatus including a space arrangement structure that includes space regions surrounded by conductors in a plane, an electromagnetic wave emitter that emits electromagnetic waves towards an object held by the space arrangement structure, and an electromagnetic wave detector that measures the electromagnetic waves that have passed through the space arrangement structure. Here, characteristics of the object are measured by measuring the electromagnetic waves that have passed through the space arrangement structure. The electromagnetic waves emitted from the electromagnetic wave emitter towards the space arrangement structure are incident on the plane containing the space regions at an angle, and the electromagnetic waves that have passed through the space arrangement structure are measured. | 02-04-2010 |
20100051814 | STIMULATED EMISSION AND ENHANCED DETECTION OF CHEMICALS AND CHEMICAL COMPOUNDS - A method and apparatus for remotely detecting, locating, and identifying chemicals and chemical compounds through optically opaque materials. Electromagnetic radiation in the Terahertz range emitted from an antenna array is modulated to excite target molecules. The apparatus then stops the excitation energy and the molecules emit an electromagnetic signature detectable by the device at standoff distances. | 03-04-2010 |
20100102233 | Method of Local Electro-Magnetic Field Enhancement of Terahertz (THz) Radiation in Sub Wavelength Regions and Improved Coupling of Radiation to Materials through the Use of the Discontinuity Edge Effect - A method and apparatus for enhanced THz radiation coupling to molecules, includes the steps of depositing a test material near the discontinuity edges of a slotted member, and enhancing the THz radiation by transmitting THz radiation through the slots. The molecules of the test material are illuminated by the enhanced THz radiation that has been transmitted through the slots, thereby producing an increased coupling of EM radiation in the THz spectral range to said material. The molecules can be bio-molecules, explosive materials, or species of organisms. The slotted member can be a semiconductor film, a metallic film, in particular InSb, or layers thereof. THz detectors sense near field THz radiation that has been transmitted through said slots and the test material. | 04-29-2010 |
20100108889 | METHOD AND APPARATUS FOR IMAGING AN LCD USING TERAHERTZ TIME DOMAIN SPECTROSCOPY - A method configured to investigate an LCD structure, the method comprising: irradiating an LCD structure with pulsed radiation having at least one frequency in the range from 40G Hz to 100 THz; detecting radiation which has been transmitted through or reflected by the structure; determining information about the structure by measuring a quantity at least related to the amplitude of the detected radiation. | 05-06-2010 |
20100237249 | ILLUMINATING SYSTEM FOR IN-FLIGHT REFUELLING OPERATIONS - The invention relates to a system for illuminating an in-flight refueling operation involving a tanker aircraft ( | 09-23-2010 |
20100301218 | SYSTEMS AND METHODS FOR THERMAL SPECTRAL GENERATION, PROJECTION AND CORRELATION - Systems and methods for generating, projecting or correlating thermal spectra use digital micro-mirror devices (DMDs) to controllably modulate input radiation such as long wave infrared light. An optical system for creating an output spectrum based upon an input light suitably includes a grating configured receive the input light and to spread the input light by wavelength into an input spectrum. A digital micro-mirror device (DMD) is configured to receive the input spectrum and to controllably activate mirrors in the DMD corresponding to selected wavelengths of the input light. Portions of the input light having selected wavelengths can be extracted from remaining portions of the input light for the output spectrum. By selecting and activating only certain mirrors on the DMD, particular wavelengths of light in infrared or other spectra can be optically switched for any number of subsequent applications, including spectral projection, simulation of solar or other spectra, detection of chemical substances, or the like. | 12-02-2010 |
20110031404 | APPARATUS AND METHOD FOR SIMULTANEOUSLY GENERATING TERAHERTZ WAVE AND SUPERCONTINUUM, AND SPECTROSCOPY METHOD USING THE SAME - The present invention relates to an apparatus and method for simultaneously generating terahertz wave and supercontinuum, and a spectroscopy method using the apparatus and method, in which terahertz wave and supercontinuum can be efficiently and simultaneously generated by a single device after taking into consideration the problems of conventional methods in which terahertz wave and supercontinuum were generated by separate devices. The apparatus for simultaneously generating terahertz wave and supercontinuum, includes a terahertz wave generation unit for generating a terahertz wave, and a supercontinuum generation unit for generating a supercontinuum based on nonlinear effect, wherein the terahertz wave and the supercontinuum are simultaneously generated using a single input light signal. | 02-10-2011 |
20110163234 | APPARATUS AND METHOD FOR INVESTIGATING A SAMPLE - An apparatus for investigating a sample comprising: a source of beam radiation; a detector for detecting a beam of radiation reflected by the sample and an optical subsystem for manipulating the beam between source and detector wherein the optical subsystem comprises a first optical element arranged in use to angularly deflect the source beam within a given solid angle and a second optical element arranged to focus the beam from the first optical element onto a substantially flat image plane and wherein radiation reflected by the sample passes back through the first and second optical elements to the detector. | 07-07-2011 |
20110226954 | PRINTED SECURITY MARK - Embodiments of a printed security mark and a process are disclosed. | 09-22-2011 |
20110309249 | METHODS AND DEVICES FOR IN SITU DETERMINATION OF A VITAMIN-D SYNTHESIZING AMOUNT OF NATURAL AND ARTIFICIAL UV IRRADIATION - A matrix with a biologically active substance is exposed to UV radiation. The biologically active substance is selected to initiate photoconversions originating vitamin D synthesis. An optical parameter of the biologically active substance is being changed under UV irradiation. Change of the optical parameter is measured, thus measuring the amount of UV radiation that has caused the vitamin D synthesis occurred through photoconversion. Measuring occurs by way of a dosimeter. | 12-22-2011 |
20120032082 | Terahertz Imaging Device With Improved Thermal Converter - The present invention relates to a terahertz imaging device comprising a terahertz source, a converter for converting terahertz radiation into thermal radiation, and a thermal detector. The converter has at least one zone sensitive to terahertz radiation, designed to absorb the terahertz radiation and vconvert the absorbed radiation into heat. This sensitive zone is close to a reference zone, of known absorption capacity, and the thermal detector is designed to measure the heat generated by the sensitive zone relative to the heat generated by the reference zone. | 02-09-2012 |
20120037804 | METHODS AND APPARATUS FOR THE NON-DESTRUCTIVE MEASUREMENT OF DIFFUSION IN NON-UNIFORM SUBSTRATES - Non-invasive THz spectroscopic apparatus and methods are provided for measuring the average diffusion coefficients for a structure such as cork. The methods may be used to image the localized presence of water in the structure to produce time-dependent images of liquid propagation in the structure. | 02-16-2012 |
20120126123 | Method of Measuring Characteristics of Specimen, Measuring Device, and Filter Device - A method of measuring specimen characteristics that includes holding a specimen on a gap array structure that includes gaps regularly arrayed in at least one array direction, applying a linearly-polarized electromagnetic wave to the gap array structure on which the specimen is held, detecting the electromagnetic wave scattered by the gap array structure, and measuring characteristics of the specimen based on a frequency characteristic of the detected scattered electromagnetic wave, wherein a polarizing direction of the linearly-polarized electromagnetic wave and a principal surface of the gap array structure are not parallel to each other. | 05-24-2012 |
20120193535 | PLASMA DIAGNOSTIC METHOD USING TERAHERTZ-WAVE-ENHANCED FLUORESCENCE - Methods and systems for characterizing a plasma with radiation, particularly, terahertz (THz) radiation, are disclosed. The disclosed method of characterizing a plasma includes directing THz radiation into the plasma; and detecting an emission due to interaction of the THz radiation with the plasma to characterize the plasma. A disclosed plasma characterizing device includes a means for directing THz radiation into a plasma; and a detector adapted to detect an emission emitted by the plasma due to interaction of the THz radiation with the plasma to characterize the plasma. A plasma characterizing system is also disclosed. The emission detected may be a fluorescence, a variation in fluorescence and/or an acoustic emission. | 08-02-2012 |
20120193536 | THERMALLY EXCITED NEAR-FIELD SOURCE - A high resolution material observation system includes an object having at least one spatial dimension sufficient to support production of near-field infrared emissions, a holder adapted to receive a sample to be observed, the holder further adapted to position the sample in the near-field infrared emissions, and a thermal excitation unit, adapted to be thermally coupled to at least one of the object and the sample. The thermal excitation unit is further adapted to causing black body radiation in either the object or the sample within the infrared spectrum. | 08-02-2012 |
20120211659 | Terahertz Wave Characteristic Measurement Method, Material Detection Method, Measurement Instrument, Terahertz Wave Characteristic Measurement Device and Material Detection Device - A terahertz wave characteristic measurement method comprises irradiating terahertz waves at a region in which a thickness of a solution is in the range from 10 μm to 100 μm such that a propagation direction of the terahertz waves is in a thickness direction of the solution, the solution containing at least one type of target material to be measured, and measuring at least one of a spectral characteristic and an intensity at a particular frequency or a particular wavelength of the terahertz waves that are one of transmitted through the region and reflected from the region. | 08-23-2012 |
20120235043 | MEASUREMENT APPARATUS AND MEASUREMENT METHOD - There is provided a measuring apparatus including a space arrangement structure that includes space regions surrounded by conductors in a plane, an electromagnetic wave emitter that emits electromagnetic waves towards an object held by the space arrangement structure, and an electromagnetic wave detector that measures the electromagnetic waves that have passed through the space arrangement structure. Here, characteristics of the object are measured by measuring the electromagnetic waves that have passed through the space arrangement structure. The electromagnetic waves emitted from the electromagnetic wave emitter towards the space arrangement structure are incident on the plane containing the space regions at an angle, and the electromagnetic waves that have passed through the space arrangement structure are measured. | 09-20-2012 |
20120241624 | Tailgate Detection Using Infra-Red Beams - A system, for calculating an object location within a portal, includes a portal map formed by a plurality of infra-red beams. The system further includes a broken beam detector for detecting and recording, in response to an object moving through the portal map, data indicative of one or more broken beams of the plurality of infra-red beams. The data includes first data indicative of an initial position of the object within the portal, second data indicative of a subsequent position of the object within the portal, and third data including one or more time records. The system also includes at least one broken beam analyzer for obtaining the data from the broken beam detector, the broken beam analyzer calculating the object location based on at least one of the first data, the second data, and the third data. | 09-27-2012 |
20120305774 | Measuring Device and Measuring Method That Use Pulsed Electromagnetic Wave - Provided are a measuring device and a measuring method that use terahertz light, by which a substance to be detected can be detected with high sensitivity and high accuracy. A measuring device using a pulsed electromagnetic wave is provided with a substance detection plate, a means for generating the pulsed electromagnetic wave having amplitude intensity dependent on the amount of a substance to be detected at an irradiation position by irradiating the substance detection plate with a pulsed laser beam, and a detection means for detecting the amplitude intensity of the pulsed electromagnetic wave, and measures the change of the state of a solution containing the substance to be detected on the basis of the amplitude intensity. Said measuring device is provided with a first beam splitter which divides the pulsed laser beam into two, a detection region part into which the solution containing the substance to be detected can be introduced, and a reference region part into which a reference solution can be introduced, irradiates a semiconductor corresponding to the detection region part and a semiconductor corresponding to the reference region respectively with the two divided pulsed laser beams, collects pulsed electromagnetic waves generated from the semiconductors corresponding to the detection region part and the reference region part, and detects the collected pulsed electromagnetic waves by said one detection means. | 12-06-2012 |
20130037720 | DEVICE FOR THE CONTACTLESS AND NONDESTRUCTIVE TESTING OF SURFACES - A device for the contactless and nondestructive testing of a surface by measuring the infrared radiation thereof has one or more incoherent electromagnetic radiation sources ( | 02-14-2013 |
20130043391 | Non-Dispersive Infrared (NDIR) Dual Trace Gas Analyzer and Method for Determining a Concentration of a Measurement Gas Component in a Gas Mixture by the Gas Analyzer - A modulator wheel of a gas analyzer which contains an opening in the shadowing part thereof, where the opening generates in the measurement signal of the gas analyzer, in addition to a signal component at a modulation frequency generated by alternating shadowing and passing-through of the radiation, a further signal component having twice the modulation frequency that is used for detecting changes to the infrared radiation source or detector arrangement due to contamination, aging, or temperature, and compensating for the effects thereof on the measurement result. | 02-21-2013 |
20130043392 | Mid to far infrared diamond raman laser systems and methods - A mid- to far-infrared solid state Raman laser system comprising a resonator cavity comprising: an input reflector adapted to be highly transmissive for light with a first wavelength in the range of about 3 to about 7.5 micrometers for admitting the first beam to the resonator cavity; and an output reflector adapted to be partially transmissive for light with a second wave-length greater than about 5.5 micrometers for resonating the second wavelength in the resonator and for outputting an output beam, the input reflector further being adapted to be highly reflective at the second wavelength for resonating the second wave-length in the resonator; and a solid state diamond Raman material located in the resonator cavity for Raman shifting the pump beam and generating the second wavelength. | 02-21-2013 |
20130168553 | Thermally-Sensitive Optocoupler - Various embodiments of methods and devices are provided for a thermally-sensitive optocoupler package. A layer in the optocoupler package has an upper surface and a lower surface, and comprises a thermally-sensitive material. In the package, an LED emits infrared or near-infrared light and a photodetector receives at least a portion of such emitted light and in response provides isolated output signals therefrom. The LED is located above the upper surface, and the photodetector is located beneath the lower surface. The thermally-sensitive material is configured such that an amount of light emitted by the LED, incident on the material and the layer, and transmitted through the material and the layer, changes in accordance with changes in ambient temperature or local thermal conditions. | 07-04-2013 |
20130181133 | Method and System for Evaluating the Distribution of an Absorbent Material in an Absorbent Article - A system for imaging a distribution of an absorbent material within an absorbent article. The system includes a radiation source and a detector positioned such that the absorbent article is situated between the radiation source and the detector. The absorbent article includes an absorbent material having a spatial distribution within the absorbent article. Infrared radiation within a particular wavelength range (e.g., 3 μm to 3.2 μm) is more likely to be absorbed by the absorbent material than by other materials within the absorbent article. The radiation source is configured to generate infrared radiation incident on the absorbent article. The detector is configured to detect a quantity of the infrared radiation within the particular wavelength range that was transmitted through the absorbent article. The radiation source is further configured to generate data indicative of the spatial distribution of the absorbent material based on the detected quantity of the infrared radiation. | 07-18-2013 |
20130228689 | GAS FLOW METER AND METHOD FOR MEASURING VELOCITY OF GAS - Disclosed are a gas flow meter and a method for measuring the velocity of gas, wherein the reliability of real time measurement may be improved and a specific gas may be selected and measured. The gas flow meter includes: at least a gas detecting section for radiating light having a wavelength that is absorbed by a specific gas to the specific gas, of which flow velocity is to be measured, in a mixture gas including at least one gas, detecting the irradiance absorption of the corresponding wavelength of the specific gas, and providing a detection signal corresponding to the detected irradiance and a control section for calculating the flow velocity of the specific gas to be measured in real time based on the detection signal, which is provided from the gas detection section. | 09-05-2013 |
20130240736 | ELECTROMAGNETIC WAVE MEASURING APPARATUS, MEASURING METHOD, PROGRAM, AND RECORDING MEDIUM - An electromagnetic wave measurement device includes an electromagnetic wave outputter that outputs an electromagnetic wave having a frequency equal to or more than 0.01 THz and equal to or less than 100 THz toward a device under test. An electromagnetic wave detector detects the electromagnetic wave which has transmitted through the device under test. A relative position changer changes a relative position of an intersection of an optical path of the electromagnetic wave transmitting through the device under test and the device under test, with respect to the device under test, so that the intersection is at a predetermined relative position due to the refraction of the electromagnetic wave by the device under test. A characteristic value deriver derives a characteristic value of the electromagnetic wave based on a detection result of the electromagnetic wave detector, the characteristic value being associated with the predetermined relative position. | 09-19-2013 |
20130284930 | MEASUREMENT DEVICE, METHOD, AND RECORDING MEDIUM - According to the present invention, a measurement device includes an electromagnetic wave detector, a phase measurement unit and a deriving unit. The electromagnetic wave detector detects an electromagnetic wave having a frequency equal to or more than 0.02 THz and equal to or less than 12 THz having traveled inside an object to be measured, which is an aggregation of particles. The phase measurement unit measures a change in phase of the electromagnetic wave generated by the travel inside the object to be measured based on a detection result by the electromagnetic wave detector. The deriving unit derives hardness or porosity of the object to be measured based on a measurement result by the phase measurement unit. | 10-31-2013 |
20130313436 | LASER GAS ANALYZER - The invention relates to a device for measuring the concentration of a molecule, such as CO, NO or NO | 11-28-2013 |
20140048710 | DEVICE AND METHOD FOR MODULATING TRANSMISSION OF TERAHERTZ WAVES - A device for modulating terahertz waves includes a metal layer (703) including a continuous metal portion (705) and island metal portions (707). The metal portions (705, 707) are separated by apertures (709). The device further includes a semiconductor layer (715) affixed to a bottom surface of the metal layer (703). The semiconductor layer (715) includes carrier regions (717) located below the apertures (709). The transmission of terahertz waves through the apertures (709) is modulated by changing a voltage applied across the aperture via voltage source (715). By injecting free carriers into carrier regions (717) due to a change of the voltage an extraordinary terahertz transmission effect of the metal layer (703) can be switched off. A small increase in the free-carrier absorption is significantly enhanced by the Fabry-Perot resonance, resulting in a substantial decrease in transmission. The disclosed ring aperture terahertz modulator allows for electrical control of the carrier density only in the area underneath the aperture. This design minimizes the power consumption and maximizes the operation speed. | 02-20-2014 |
20140054464 | REAL-TIME ONLINE DETERMINATION OF CAUSTIC IN PROCESS SCRUBBERS USING NEAR INFRARED SPECTROSCOPY AND CHEMOMETRICS - Disclosed herein are processes, apparatuses, and systems for monitoring and/or controlling caustic concentrations in caustic scrubbers. In various aspects, the processes, apparatuses, and systems comprise a real-time online method for measuring the concentration of caustic in process scrubbers wherein a probe is coupled to a spectrometer; collecting absorption data with wavelength range from about 1000 to about 2000 nm. In a further aspect, this technique tracks the use and recharge of caustic in process scrubbers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 02-27-2014 |
20140077083 | METHOD AND METER FOR DETERMINING GAS QUALITY - An example method of detecting components of a gas includes detecting substantially all components of a gas using distinct infrared wavelengths within a portion of the infrared spectrum, the portion being less than the entire infrared spectrum. | 03-20-2014 |
20140117240 | Inspectable Black Glass Containers - A soda-lime-silica glass container and related methods of manufacturing. A black-strikable glass composition having a base glass portion and a latent colorant portion is prepared. The base glass portion includes soda-lime-silica glass materials and one or more blue colorant materials, and the latent colorant portion includes cuprous oxide (Cu | 05-01-2014 |
20140131579 | System for Analyzing a Smoking Article Filter Associated with a Smoking Article, and Associated Method - A system and associated method for analyzing a smoking article filter is provided. An emitter emits an initial signal toward a smoking article filter. The initial signal may have a frequency between about 0.1 teraHertz and about 10 teraHertz. A sensor may detect a resultant signal resulting from interaction of the initial signal with the smoking article filter. An analysis unit may receive the resultant signal from the sensor, determine a filter status based on the resultant signal, and output an indicium indicative of the filter status. The filter status may include a capsule presence within the smoking article filter, a capsule absence from the smoking article filter, a proper insertion of a capsule into the smoking article filter, a defective insertion of a capsule into the smoking article filter, a proper capsule within the smoking article filter, and a defective capsule within the smoking article filter. | 05-15-2014 |
20140131580 | METHOD AND DEVICE FOR SIMULATING A LIGHT SOURCE HAVING A LIGHT INTENSITY PROFILE THAT VARIES IN TIME - A method and device are disclosed for simulating a light source having a light intensity profile that varies in time. The method includes providing a light source; using a mask to at least partially block light emitted by the light source; and adjusting the position of the mask in accordance with an electrical signal representative of the light intensity profile so as to adjust the extent to which the mask blocks light from the light source, and thereby providing the light intensity profile that varies in time. The device can include a mask to at least partially block light from a light source; and an actuator for adjusting the position of the mask in accordance with the electrical signal. | 05-15-2014 |
20140252234 | TRANSMISSION RAMAN SAMPLE ANALYSIS - Systems and methods for analyzing samples in containers are provided, where an emitter emits radiation at a first location on the container, with a portion of the radiation passing through the container and into the sample, some of the radiation is reflected within the container, a detector receives a transmission Raman signal including Raman radiation from multiple portions of the sample, and a comparator compares the transmission Raman signal with the radiation emitted by the emitter. | 09-11-2014 |
20140252235 | MEASUREMENT DEVICE AND FEATURE MEASUREMENT METHOD OF OBJECT TO BE MEASURED EMPLOYING SAME - A measurement device that includes a device main unit including at least one cavity for accommodating an analyte containing a specimen and an aperture array structure including a plurality of apertures extending therethrough in a direction perpendicular to a principal surface thereof. The aperture array structure is fixed such that part or all of the aperture array structure is positioned in the cavity. | 09-11-2014 |
20140284484 | Terahertz ellipsometer system, and method of use - A terahertz ellipsometer, the basic preferred embodiment being a sequential system having a backward wave oscillator (BWO); a first rotatable polarizer that includes a wire grid (WGP | 09-25-2014 |
20140319354 | METHODS AND APPARATUS FOR MEASURING MULTIMODE OPTICAL FIBER BANDWIDTH - Methods and apparatus for measuring the modal bandwidth of a multimode optical fiber as a function of wavelength are disclosed. The methods include emitting polarized light from a single-mode fiber, frequency-modulating the single-mode polarized light, and then conditioning the frequency-modulated polarized light to excite multiple modes of the multimode optical fiber. The multimode light transmitted by the multimode optical fiber is detected and analyzed by a network analyzer to determine a bandwidth for at least three different wavelengths. A controller performs a fit to the measured bandwidths using a fitting equation to determine the modal bandwidth as a function of wavelength. | 10-30-2014 |
20140326886 | METHOD FOR CHARACTERIZING THE STABILITY OF FOULANTS AND/OR EFFICACY OF FOULANT INHIBITORS WITHIN PETROLEUM-BASED FLUIDS - A petroleum-based fluid sample may be centrifuged in a centrifuge vial where a light may be passed through the petroleum-based fluid sample to identify an amount of transmitted light at two or more time intervals. The stability of the foulant(s) and/or efficacy of the foulant inhibitors to prevent the destabilization of the foulants may be determined by comparing a change in the amounts of transmitted light through the petroleum-based fluid sample. The petroleum-based fluid sample may include a petroleum-based fluid, at least one foulant, and an optional additive for destabilizing the foulant(s). The additive may be or include a first component, such as but not limited to n-alkanes, iso-alkanes, alkenes, alkynes, cyclo-alkanes, natural gas, natural gas condensate, alcohols, ethers, ketones, organic acids, acetates, carbon dioxide, and combinations thereof. | 11-06-2014 |
20140374601 | Method and Apparatus for the Application of Force to a Sample for Detection Using an Electromechanical Means - The embodiments of the present invention are directed to applying intimate contact pressures to samples while undergoing ATR infrared interrogation. As a general mode of operation, after a solid sample is placed on the ATR element, a force actuator moves an anvil arm to apply a contact force to the sample against the ATR. Thereafter, when the scan is over, the user can see the result of the one or more scans. The force actuator may be a motor or a solenoid or other type of force actuator. The applied contact force may be a fixed force or may be a user-selectable force or may be automatically controlled through feedback from the spectrometer based on the spectroscopic signature of the sample material. | 12-25-2014 |
20140374602 | Illumination Device with Integrated Thermal Imaging Sensor - An illumination device with an integrated thermal imaging sensor and method for using the same are disclosed. The device includes a solid state illumination source, and a thermal imager comprising a multi-pixel heat sensing device. A controller is configured to control the thermal imager, and a power source is configured to supply power to the illumination source, the thermal imager, and the controller. | 12-25-2014 |
20150008326 | ELECTROMAGNETIC WAVE PULSE MEASURING DEVICE AND METHOD, AND APPLICATION DEVICE USING THE SAME - An electromagnetic wave pulse measuring device, includes an elastic vibration wave generating section which irradiates a predetermined area of a sample with an elastic vibration wave, an electromagnetic wave pulse generating section which irradiates the predetermined area, which is irradiated with the elastic vibration wave, with an electromagnetic wave pulse, and an electromagnetic wave pulse detecting section which measures a waveform of the electromagnetic wave pulse modulated in the predetermined area by the elastic vibration wave. The timing at which the electromagnetic wave pulse detecting section measures the waveform of the electromagnetic wave pulse is a timing at which a phase angle of the elastic vibration wave has a predetermined value when the elastic vibration wave generating section generates the elastic vibration wave. | 01-08-2015 |
20150014541 | Method for measuring the concentration of a gas component in a measuring gas - A method for measuring the concentration of a gas component in a measuring gas, wherein a semiconductor laser is periodically actuated by a current ramp to scan a selected absorption line in a wavelength-dependent manner and to determine the concentration of the gas component based on the reduction in the light intensity as a result of the absorption of the light at the location of the absorption line. | 01-15-2015 |
20150021482 | DEVICE AND METHOD FOR RECORDING CONTAMINATIONS IN A HYDRAULIC SYSTEM - The invention relates to a contamination recording apparatus ( | 01-22-2015 |
20150028215 | TAILGATE DETECTION USING INFRA-RED BEAMS - A system, for calculating an object location within a portal, includes a portal map formed by a plurality of infra-red beams. The system further includes a broken beam detector for detecting and recording, in response to an object moving through the portal map, data indicative of one or more broken beams of the plurality of infra-red beams. The data includes first data indicative of an initial position of the object within the portal, second data indicative of a subsequent position of the object within the portal, and third data including one or more time records. The system also includes at least one broken beam analyzer for obtaining the data from the broken beam detector, the broken beam analyzer calculating the object location based on at least one of the first data, the second data, and the third data. | 01-29-2015 |
20150083917 | INFRARED LIGHT DIRECTOR FOR GESTURE OR SCENE SENSING FSC DISPLAY - This disclosure provides systems, methods and apparatus for touch and gesture recognition, using a field sequential color display. The display includes a processor, a lighting system, and an arrangement for spatial light modulation that includes a number of apertures, and devices for opening and shutting the apertures. A light directing arrangement includes at least one light turning feature. The display lighting system is configured to emit visible light and infrared (IR) light through at least a first opened one of the plurality of apertures. The light turning feature is configured to redirect IR light emitted through the opened aperture into at least one lobe, and to pass visible light emitted by the display lighting system through the opened aperture with substantially no redirection. | 03-26-2015 |
20150083918 | METHOD OF DETECTING A PROPELLANT GAS - A method and a system for detecting the presence of propellant gas in a gaseous sample exploit laser light especially in the 3.30-3.5 μm range. The propellant can be propane, n-butane, i-butane, dimethyl ether, methyl ethyl ether, HFA 134a, HFA 227, or any other propellant exhibiting absorption in the requisite wavelength range. The presence of the application of this method in leak testing of propellant-containing containers such as aerosols or fuel canisters, permits high-speed, high accuracy leak detection capable of replacing existing testing methods. | 03-26-2015 |
20150090883 | TUNABLE LASER-BASED INFRARED IMAGING SYSTEM AND METHOD OF USE THEREOF - Methods, devices, and systems for imaging tissue and other samples or samples using infrared (IR) transmissions from coherent transmission sources, such as a wide range, tunable, quantum cascade laser (QCL) designed for the rapid collection of infrared microscopic data for medical diagnostics across a wide range of discrete spectral increments. The infrared transmissions are transmitted through, reflected from, and/or transreflected through a sample, and then magnified and/or focused prior to being detected by a detector. After detection, the sample related image data is used to assess the sample. Such methods, devices, and systems may be used to detect abnormalities in tissue, for example, before such abnormalities can be diagnosed using art cytopathological methods. The methods, devices and systems may also optionally include a visible light detection subsystem and/or a motion control subsystem to assist in control and processing of imaging. | 04-02-2015 |
20150102224 | METHODS OF MEASURING THE FOULING TENDENCY OF HYDROCARBON FLUIDS - A stability of at least one foulant within a hydrocarbon-based fluid sample may be determined where the hydrocarbon-based fluid sample may have or include, but is not limited to a hydrocarbon fluid and foulant particles. The fluid sample may have a viscosity ranging from about 0.5 cSt to about 5000 cSt. The hydrocarbon-based fluid sample may be centrifuged, and a laser light (in the near-infrared region) with a detector may be applied to the hydrocarbon-based fluid sample. At least one transmittance measurement from the laser light passing through the hydrocarbon-based fluid sample may be used to measure foulant flocculation. A foulant stability reserve measurement may be obtained by comparing a first transmittance measurement of the centrifuged hydrocarbon-fluid sample to a second transmittance measurement of a non-centrifuged hydrocarbon-fluid sample. | 04-16-2015 |
20150123000 | GAS SENSORS - A gas sensor for measuring concentration of a predetermined gas comprises a light source arranged to emit pulses of light, a measurement volume, a detector arranged to receive light that has passed through the measurement volume, and an adaptable filter disposed between the light source and the detector. The gas sensor has a measurement state in which it passes at least one wavelength band which is absorbed by the gas and a reference state in which said wavelength band is attenuated relative to the measurement state. The adaptable filter is arranged to change between one of said measurement state and said reference state to the other at least once during each pulse. | 05-07-2015 |
20150129767 | OPTICAL GAS SENSOR - A system includes a sensor body that has a folded optical waveguide configured in a “U” shape, wherein the waveguide is configured to convey infrared energy from one end of the waveguide to the other end of the waveguide. | 05-14-2015 |
20150129768 | MEASURING APPARATUS AND MEASURING METHOD USING ELECTROMAGNETIC WAVE - Provided is a measuring apparatus, including: an irradiation unit configured to irradiate an object to be examined with an electromagnetic wave, the object to be examined being brought into contact with a window member; a sensing unit configured to sense the electromagnetic wave from the object to be examined that is brought into contact with the window member; and a dielectric constant adjusting unit configured to change a dielectric constant of the window member. | 05-14-2015 |
20150136988 | NON-CONTACT EGG IDENTIFICATION SYSTEM FOR DETERMINING EGG VIABILITY, AND ASSOCIATED METHOD - An egg identification system for determining viability of an avian egg is provided. Such a system includes an emitter assembly configured to emit electromagnetic radiation toward an egg. A detector assembly is axially aligned with the emitter assembly to detect electromagnetic radiation transmitted through the egg. The detector assembly is spaced-apart from the egg during operation thereof such that the detector assembly does not contact the egg. The detected electromagnetic radiation is used to generate an output signal. The output signal is processed to determine whether there exists a periodic variation or an aperiodic perturbation in an intensity of the electromagnetic radiation transmitted through the egg corresponding to action of a heart or embryo movement, wherein the existence of the periodic variation or aperiodic perturbation indicates that the egg is viable. An associated method is also provided. | 05-21-2015 |
20150136989 | APERTURE ARRAY STRUCTURE AND MEASUREMENT METHOD USING THE SAME - An aperture array structure used in a method of measuring characteristics of a specimen by applying an electromagnetic wave to an aperture array structure on which the specimen is held, and detecting frequency characteristics of the electromagnetic wave scattered by the aperture array structure. The aperture array structure includes a first principal surface, a second principal surface opposed to the first principal surface, and a plurality of apertures extending through the aperture array structure in a direction perpendicular to the first principal surface and the second principal surface. An opening area of each aperture at the first principal surface is smaller than an opening area of each aperture at the second principal surface. | 05-21-2015 |
20150300942 | METHOD FOR REDUCING INTERFERENCE FRINGES IN LASER SPECTROSCOPY MEASUREMENTS USING AN ABSORPTION MASK IN COMBINATION WITH MULTI-PASS OPTICAL CELLS - A Multi-pass optical cell ( | 10-22-2015 |
20150323452 | DYNAMIC MEASUREMENT OF MATERIAL PROPERTIES USING TERAHERTZ RADIATION WITH REAL-TIME THICKNESS MEASUREMENT FOR PROCESS CONTROL - A method of determining material properties for an object under test is disclosed. The method comprises determining a thickness at a point on the object under test in a non-invasive manner. It also comprises obtaining a terahertz measurement by passing terahertz radiation through the object under test using a terahertz emitter and detecting the terahertz radiation using a terahertz detector. Finally, it comprises determining an optical property at the point on the object under test using a measurement value from the terahertz emitter and the terahertz detector and a measured value for the thickness at the point. | 11-12-2015 |
20150338280 | SYSTEMS AND METHODS FOR INTERACTION WITH THERMAL DETECTORS - A system for interacting with a thermal detector includes at least one unmanned aerial vehicle and a sensor mounted to the at least one unmanned aerial vehicle. The sensor is configured to determine the presence of a component of the thermal detector and to generate a signal indicative of the presence of the component. The system also includes a beam emitter mounted to the at least one unmanned vehicle and in communication with the sensor. The beam emitter includes a beam source configured to direct a beam of thermal radiation to the thermal detector in response to the signal from the sensor. | 11-26-2015 |
20150369659 | Luminescent Infrared Transparent Sticker - A luminescent infrared transparent sticker is disclosed herein. An example apparatus includes a substrate that is transparent with respect to light at a first wavelength and light at a second wavelength and an adhesive on a first side of the substrate, wherein the adhesive contains taggant that has luminescent properties such that when the taggant is illuminated with light at the first wavelength, it emits light at the second wavelength | 12-24-2015 |
20160018321 | GAS-SENSOR ARRANGEMENT FOR DETECTING TARGET-GAS CONCENTRATION - An NDIR gas-sensor arrangement for measuring a target-gas concentration comprises a variable-power infrared-radiation emitter that can project radiant energy from one side of a space containing the target gas and through the space to the other side thereof, a infrared-radiation receiver on the other side of the space and positioned to be irradiated by the radiant energy projected by the emitter through the space for emitting a signal corresponding to radiation received, and a filter between the receiver and the space and permeable only to radiation of a wavelength range that corresponds to the target gas. A controller connected to the radiation receiver calculates the target-gas concentration on the basis of the signal from the receiver to the controller. | 01-21-2016 |
20160018330 | GAS-SENSOR ARRANGEMENT FOR DETECTING TARGET-GAS CONCENTRATION - A gas-sensor arrangement for measuring a target-gas concentration has first and second separate nondispersive infrared-radiation emitters to one side of a space containing the target gas and set to project respective first and second beams of infrared light from the one side through the space to the other side thereof. An infrared-radiation receiver on the other side of the space is positioned to be irradiated by the radiant energy projected by the emitters through the space for emitting a signal corresponding to radiation received, one of the emitters being optically farther from the receiver than the other of the emitters. A filter between the receiver and the space and is permeable only to radiation of a wavelength range that corresponds to the target gas. A controller connected to the radiation receiver determines the target-gas concentration on the basis of the signal from the receiver. | 01-21-2016 |
20160018378 | SYSTEMS AND METHODS FOR BOOSTING COAL QUALITY MEASUREMENT STATEMENT OF RELATED CASES - Properties of coal are determined from samples processed by a near-infrared spectroscopy (NIR) device that generates wavelengths dependent spectra. Target values of the properties are associated with the NIR spectra by a kernel based regression model generated from training data based on an anisotropic kernel function that is extended by defining the kernel parameters as a smooth function over the wavelengths associated with a spectrum. Like the anisotropic case each wavelength related dimension has its own kernel parameter. Adjacent dimensions are restricted to have similar kernel parameters. Measured spectra with a limited number of features are reconstructed by applying a regression model based on training data of spectra having an extended number of features. Training data are pruned based on a regression model by removing outliers. | 01-21-2016 |
20160054347 | ENERGY BEAM DEFLECTION SPEED VERIFICATION - A method for verifying a deflection speed of an energy beam spot, the method comprising the steps of: providing a predetermined pattern on a work table with the energy beam spot while deflecting the energy beam spot with a first deflection speed, detecting first positions of the energy beam spot on the work table created with the first deflection speed, providing the predetermined pattern on a work table with the energy beam spot while deflecting the energy beam spot with a second deflection speed, detecting second positions of the energy beam spot on the work table created with the second deflection speed, comparing the first and second positions, wherein the deflection speed is verified if each one of the first positions are deviating less than a predetermined distance from corresponding second positions. | 02-25-2016 |
20160069796 | METHOD FOR DETECTING THE PRESENCE OR ABSENCE OF AN OPHTHALMIC LENS, IN PARTICULAR A CONTACT LENS, WITHIN A RECEPTACLE - A method for detecting the presence or absence of an ophthalmic lens ( | 03-10-2016 |
20160077021 | IMAGING SYSTEM - Disclosed is an imaging system capable of reducing the generation of interference patterns in a state in which a beam of highly coherent electromagnetic waves is enlarged to a prescribed illumination area and used for illumination by moving the prescribed illumination region within a range of motion that is smaller than the illumination region. | 03-17-2016 |
20160091776 | INTEGRATED TERAHERTZ SENSOR - Systems and methods may provide for an integrated miniature sensor that operates in the Terahertz region of the electromagnetic spectrum. The integrated miniature sensor may detect a remote target and operate in a non-contact, non-invasive manner. Numerous signal analysis techniques may be employed such as Doppler radar technology, absorption spectroscopy, and others when the integrated miniature sensor is used in biomedical, physiological and other settings where prolonged recording of bio-signals is needed. | 03-31-2016 |
20160116400 | TERAHERTZ MATERIAL EVALUATION AND CHARACTERIZATION VIA MATERIAL DIFFERENCE FREQUENCY GENERATION - Methods, systems and apparatuses are disclosed for interrogating characteristics of a substrate material surface and sub-surface by evaluating Terahertz output signals generated by non-Terahertz, optical source inputs. | 04-28-2016 |
20160116406 | TERAHERTZ IMAGING VIA SIMULTANEOUS SURFACE AND SUB-SURFACE EVALUATION VIA NON-LINEAR OPTICAL RESPONSE - Methods, systems and apparatuses are disclosed for interrogating characteristics of a substrate material surface and sub-surface by evaluating: 1) sum frequency output beams produced by combining an optical source input and a Terahertz source input, and 2) Terahertz second harmonic frequency output from a Terahertz source input. | 04-28-2016 |
20160139042 | SYSTEMS AND METHODS FOR SYNTHESIS OF ZYOTONS FOR USE IN COLLISION COMPUTING FOR NONINVASIVE BLOOD GLUCOSE AND OTHER MEASUREMENTS - A synthesizer synthesizes Zyotons, waveforms that without a collision can travel substantially unperturbed in a propagation medium over a specified distance, for extracting via collision computing properties of interest of signals, such as the occurrence/absence of events and presence or concentrations of substances such as blood glucose, toxic chemicals, etc., obtained from high noise/clutter environments. The Zyotons are synthesized using base waveform families/generator functions unrelated to the signal environment. The Zyotons and corresponding carrier kernels include component(s) adapted to correspond to a signal property of interest and other component(s) adapted to correspond to other properties, such as noise and clutter. The number of each type of component(s) may be determined using a representative signal obtained from the environment that is optionally transformed via derivitization, addition of noise and/or another representative signal, etc. A base waveform family/generator function can be selected according to the representative signal morphology. | 05-19-2016 |
20160139043 | SYSTEMS AND METHODS FOR GENERATING AND USING PROJECTOR CURVE SETS FOR UNIVERSAL CALIBRATION FOR NONINVASIVE BLOOD GLUCOSE AND OTHER MEASUREMENTS - A synthetic projection system determines analyte concentration, such as blood glucose concentration, from a spectral-energy change associated with an uncharacterized instance of a medium in which the analyte is likely present. The projection system is factory calibrated for different instances of the medium, without needing instance-specific training or calibration. The projection system includes a set of projector curves, each relating spectral-energy change values obtained by analyzing reference medium samples to analyte concentrations in those samples. Each projector curve also corresponds to a respective range of energy-change gradients, determined using a group of surrogate media characterized according to analyte concentrations measured using a reference system. A spectral-energy-change gradient for the uncharacterized medium may be computed to select one of the projectors curves. Analyte concentration in the uncharacterized medium can be reliably computed at a specified high level of accuracy using the spectral-energy change associated therewith and the selected curve. | 05-19-2016 |
20160153919 | Inspectable Black Glass Containers | 06-02-2016 |
20160169735 | Terahertz Wave Measuring Device, Measuring Method, and Measuring Rig | 06-16-2016 |
20160169804 | Stimulated Emission and Enhanced Detection of Chemicals and Chemical Compounds | 06-16-2016 |
20160202180 | A LASER SYSTEM FOR IMAGING AND MATERIALS ANALYSIS | 07-14-2016 |
20170234792 | INSPECTION APPARATUS AND INSPECTION METHOD | 08-17-2017 |
20180024104 | SHORT-WAVE INFRARED SUPER-CONTINUUM LASERS FOR NATURAL GAS LEAK DETECTION, EXPLORATION, AND OTHER ACTIVE REMOTE SENSING APPLICATIONS | 01-25-2018 |