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US20150177128 QUANTUM IMAGING WITH UNDETECTED PHOTONS  
A method comprises: generating a first and a second correlated photon beam with wavelengths λ1 and λ2, respectively, wherein preferably λ1≠λ2; separating the first photon beam and the second...
US20150041655 OPTOPAIRS WITH TEMPERATURE COMPENSABLE ELECTROLUMINESCENCE FOR USE IN OPTICAL GAS ABSORPTION ANALYZERS  
Optopair for use in sensors and analyzers of gases such as methane, and a fabrication method therefor is disclosed. It comprises: a) an LED, either cascaded or not, having at least one radiation...
US20110139988 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...
US20050224716 Infrared communication system and method  
A communication system and method utilizing an infrared signal emitter communicating a predefined signal, and an infrared signal receiver capable of receiving such predefined signal,...
US20100133436 Infrared Power Control Supporting Multi-Use Functionality  
Systems and methods for infrared power control supporting multi-use functionality are presented. In one example, the transmit power level of an infrared (IR) light source on a headset having...
US20140197316 MEASUREMENT AND CONTROL OF BITUMEN-CONTAINING PROCESS STREAMS  
A method and apparatus for analyzing a bitumen-containing process stream and controlling a process. The method including directing a beam of infrared light at the bitumen-containing process...
US20150028210 TUNING-FORK BASED NEAR FIELD PROBE FOR SPECTRAL MEASUREMENT, NEAR-FIELD MICROSCOPE USING THE SAME, AND SPECTRAL ANALYSIS METHOD USING NEAR-FIELD MICROSCOPE  
The present invention is provided to remove scattering from other parts, except for an end part of a nano-probe, in a near-field microscope, and to enable a spectral analysis by delaying the...
US20130016336 IMMERSION PROBE USING ULTRAVIOLET AND INFRARED RADIATION FOR MULTI-PHASE FLOW ANALYSIS  
A system and method for determining characteristics of a multiphase flow in a well/pipe are disclosed. The disclosed system and method use an optical immersion probe including a flow gap across...
US20090206260 Night vision technology: broad band imaging  
The invention is directed to a night vision system that has an illuminator that transmits light towards a target using light outside the visible spectrum. A receive optics focuses an image on a...
US20150028211 TIME-DOMAIN SPECTROSCOPY AND TIME-DOMAIN SPECTROSCOPIC ANALYSIS SYSTEM  
The time-domain spectroscopy analysis system includes a splitter for splitting pulsed light entered, a variable delayer for delaying timing of a first part of the pulsed light split by the...
US20100078563 SIMPLIFIED BEAM SPLITTER FOR IR GAS SENSOR  
A non-dispersive single beam detection assembly in an infrared gas analyzer. The detection assembly comprises radiation source(s) providing infrared radiation, a measuring chamber, and a physical...
US20110309248 Optical Remote Sensing of Fugitive Releases  
Disclosed is an open-path optical sensor. Typically, the optical sensor directs UV radiation from a source assembly to a detector assembly along a monitoring path. The source assembly emits UV...
US20150211934 Sensor System And Method For Characterizing A Coated Body  
A method of characterizing a coated body by at least one coating parameter based on fitting to a physical model is provided. The coated body includes a substrate coated by a polymeric coating such...
US20150136986 PRISM MEMBER, TERAHERTZ-WAVE SPECTROSCOPIC MEASUREMENT DEVICE, AND TERAHERTZ-WAVE SPECTROSCOPIC MEASUREMENT METHOD  
A prism member having an entrance surface for arranging a terahertz-wave generator for generating a terahertz wave in response to pump light incident thereon, an arrangement part for arranging an...
US20090189078 INSPECTION APPARATUS AND INSPECTION METHOD BY USING TERAHERTZ WAVE  
An inspection apparatus includes a terahertz wave detection portion, a waveform shaping portion configured to shape a first answer signal with respect to a terahertz wave by using a signal...
US20130228688 Fast Switching Arbitrary Frequency Light Source for Broadband Spectroscopic Applications  
A fast switching arbitrary frequency light source for broadband spectroscopic applications. The light source may operate near 1.6 um based on sideband tuning using an electro-optic modulator...
US20090065696 DETECTION METHOD AND APPARATUS  
In a terahertz radiation detection system, an array of harmonic transmitters/receivers can be scanned across a field of view. By using an unbalanced pair of Schottky diodes in the mixer of a...
US20120318983 TERAHERTZ-WAVE GENERATING ELEMENT, TERAHERTZ-WAVE DETECTING ELEMENT, AND TERAHERTZ TIME-DOMAIN SPECTROSCOPY DEVICE  
A terahertz-wave generating element includes a waveguide including an electro-optic crystal; an optical coupling member that extracts a terahertz wave, which is generated from the electro-optic...
US20090152468 DETECTION APPARATUS AND METHOD  
A technique and apparatus for detection of infrared radiation emitted from a taggant material sample following the excitation of the sample are described. The decay time of the radiation is a...
US20090223635 DEVICE AND METHOD FOR QUANTIFYING A SURFACE'S CLEANLINESS  
Provided are devices and methods for quantifying a surface's cleanliness relative to a contaminant. Such devices and methods may comprising and use a source of interrogating radiation to which the...
US20090072146 Correlated ghost imager  
A method and system for detecting concealed weapons and explosives by imaging THz scenes using conventional optics and detectors is provided. Photon fields with two different wavelengths can be...
US20120273681 TERAHERTZ SPECTROMETER  
A solution for analyzing characteristics of compounds and materials (e.g., chemical composition, specific quantity, thickness, etc.) via THz time domain spectrometry is disclosed. In one...
US20050051728 Film image processing apparatus and film image processing method  
A film image processing apparatus is provided comprising a light source for emitting the flux of light including a range of infrared ray wavelengths towards a particular type of film such as a...
US20140097344 Terahertz Wave Measurement Device and Method  
The base plate is transmissive to terahertz waves, and a sample is disposed at the base plate. In the conductive periodic structure, plural transmission portions that transmit terahertz waves are...
US20140054463 INSPECTION DEVICE, BONDING SYSTEM AND INSPECTION METHOD  
According to an embodiment of the present disclosure, an apparatus of inspecting an overlapped substrate obtained by bonding substrates together is provided. The apparatus includes a first holding...
US20100078562 HIDDEN SENSORS IN AN ELECTRONIC DEVICE  
An electronic device having one or more sensors is provided. The sensors may include any suitable type of sensor, including for example a proximity sensor, an ambient light sensor, or any other...
US20150048250 OIL DETECTION PROCESS, APPARATUS AND TAGGANT THEREFOR  
A process for detecting oil or lubricant contamination in a manufactured product (C), preferably a cigarette (C), the process comprising adding a fluorescent taggant to oils or lubricants...
US20150219571 APPARATUS AND METHOD FOR DETECTING IMPURITY IN NON-POLAR MATERIALS  
Highly advantageous impurity detectors and methods are disclosed for detecting impurities in non-polar materials using terahertz frequency electromagnetic radiation to irradiate the non-polar...
US20090008559 Apparatus for Analyzing Cells in Real-time  
The present invention relates to an apparatus for analyzing cells in real-time which incorporates a wavelength-tunable light source/infrared ray (IR) sensor and can be used to observe and analyze...
US20110278458 Compact Handheld Non-Laser Detector For Greenhouse Gasses  
Techniques are disclosed relating to gas leak detection. The techniques can be deployed, for example, in compact, handheld portable devices usable for detecting leaks in space-confined...
US20100278373 IMAGING WITH NONDEGENERATE FREQUENCY-ENTANGLED PHOTONS  
An object that might be at least partially obscured is imaged. Frequency-entangled photons are generated. The frequency-entangled photons include photons having first and second frequencies. Those...
US20130334418 SMART TUNABLE DIODE LASE MODULE  
An improved laser module for a tunable diode laser spectroscopy analyzer. The improvement is a programmable non-volatile memory device (such as an EEPROM device) attached to the module. In...
US20140346357 PHOTOCONDUCTIVE DEVICE WITH PLASMONIC ELECTRODES  
A photoconductive device that includes a semiconductor substrate, an antenna assembly, and a photoconductive assembly with one or more plasmonic contact electrodes. The photoconductive assembly...
US20140166883 ELECTROMAGNETIC WAVE MEASUREMENT DEVICE, MEASUREMENT METHOD, AND RECORDING MEDIUM  
According to the present invention, an electromagnetic wave measurement device includes: an electromagnetic wave detector, a frequency component acquisition unit, and a thickness indication...
US20110058176 SPECTROMETERS UTILIZING MID INFRARED ULTRA BROADBAND HIGH BRIGHTNESS LIGHT SOURCES  
A mid infrared spectrometer comprises a high brightness broadband source that generates an output with a broad spectral range in the order of hundreds of wave numbers, a wavelength dispersive...
US20140361172 DETECTION OF H2S IN NATURAL GAS AND HYDROCARBON STREAMS USING A DUAL-PATH NEAR-IR SPECTROSCOPY SYSTEM  
Methods and systems for real time, in situ detection of a contaminant in a fluid, and particularly the determination of hydrogen sulfide concentration in a natural gas or other hydrocarbon stream,...
US20140353504 LIGHT SOURCE ADJUSTMENT UNIT, OPTICAL MEASUREMENT DEVICE, SUBJECT INFORMATION OBTAINING SYSTEM, AND WAVELENGTH ADJUSTMENT PROGRAM  
An optical measurement device includes a light source unit including a first laser light source configured to emit a laser beam having a first wavelength and a second laser light source configured...
US20120206725 External Cavity Laser Source  
A tunable laser source that includes multiple gain elements and uses a spatial light modulator in an external cavity to produce spectrally tunable output is claimed. Several designs of the...
US20150192466 COMPONENT MEASURING APPARATUS AND MOVING BODY  
A component measuring apparatus includes a plurality of light sources having different wavelengths, an irradiation unit that applies lights emitted from the plural light sources to a measurement...
US20140209802 APPARATUS FOR ACQUIRING INFORMATION FROM OBJECT TO BE MEASURED AND AQUIRING METHOD THEREFOR  
An apparatus configured to acquire information on an object to be measured by an electromagnetic wave pulse, the apparatus includes: a generating unit configured to generate the electromagnetic...
US20100237246 Evaluation device for evaluating measuring signals, measuring device and method for receiving and evaluating measuring signals  
An evaluation device for evaluating analog measuring signals of a detector, e.g., an IR detector, includes: an analog/digital converter device for digitally converting the analog measuring signal...
US20150253297 METHOD AND A DEVICE FOR DETECTING A SUBSTANCE  
A device for detecting a substance includes a light source arranged to emit a light signal through a sample cell, wherein the sample cell is arranged to temporally house a sample compound having a...
US20130327943 EGR DISTRIBUTION AND FLUCTUATION PROBE BASED ON CO2 MEASUREMENTS  
A diagnostic system having a single-port EGR probe and a method for using the same. The system includes a light source, an EGR probe, a detector and a processor. The light source may provide a...
US20100288928 APPARATUS AND METHOD FOR MEASURING TERAHERTZ WAVE  
An apparatus for measuring a terahertz wave includes a dispersing section 103 for chirping the terahertz wave 104 generated from a generating section 101. A detecting section 102 detects waveform...
US20100116990 METROLOGY FOR GST FILM THICKNESS AND PHASE  
Methods of determining thickness and phase of a GST layer on a semiconductor substrate are described using intensity spectra within the infra-red range. In particular, techniques for using certain...
US20170030823 MOTION MODULATION FLUIDIC ANALYZER SYSTEM  
A fluid analyzer includes an optical source and detector defining a beam path of an optical beam, and a fluid flow cell on the beam path defining an interrogation region in a fluid channel in...
US20170003168 IMAGING DEVICE PROVIDED WITH LIGHT SOURCE THAT EMITS PULSED LIGHT AND IMAGE SENSOR  
An imaging device according to an aspect of the present disclosure is provided with: a light source that, in operation, emits pulsed light including components of different wavelengths; an...
US20160320295 SPECTROSCOPIC ANALYSIS  
An analyser and related methods for characterising a sample. The analyser includes an integrated laser for emitting electromagnetic radiation in at least one beam at a sample. The electromagnetic...
US20160167861 WRAPPER FOR TERAHERTZ, DETECTION SENSOR, DETECTION APPARATUS USING TERAHERTZ WAVE, OPTICAL IDENTIFICATION DEVICE FOR TERAHERTZ, APPARATUS FOR RECOGNIZING OPTICAL IDENTIFICATION DEVICE FOR TERAHERTZ WAVE, AND WRITING APPARATUS FOR IDENTIFICATION UNIT  
A wrapper for a terahertz wave according to an embodiment of the present invention includes: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and an...
US20160146725 SYSTEM AND METHOD FOR SIGNATURE VERIFICATION  
A system and method for verifying a signature on a document, are disclosed, the method including but not limited to generating on a verification processor a characteristic signature map for the...

Matches 1 - 50 out of 64 1 2 >