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8174693 |
Calibration optic for a solar/earth spectrometer
A system for calibrating a spectrometer includes wide field-of-view (WFOV) optics providing a first light path to a WFOV spectrometer, and narrow field-of-view (NFOV) optics providing a second...
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8148691 |
Calibration methodology for NDIR dew point sensors
A method for calibrating a dual-beam NDIR gas sensor for detecting water vapor by obtaining a variant sensor components domain (“G0”) when there is no water vapor gas in the sample chamber, obt...
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8097853 |
Infrared photocurrent front-end ADC for rain-sensing system with ambient light compensation
Systems and methods for a front-end circuit receiving a current from a photodiode receiving a signal light and ambient light have been disclosed. In a preferred embodiment the front-end circuit...
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8044354 |
Method for classifying resins types in carbon fiber reinforced plastic materials using IR spectroscopy
In one embodiment, a method of classifying a polymer containing surface is provided including collecting one or more spectra of infrared energy reflected from the surface over a spectrum of...
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8022367 |
Multipoint sensing system
A self-powered energy harvesting unit/controller receives motion data from one or more self-powered sensors via low power wire. The energy harvesting unit sends signals wirelessly to a system to...
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8022366 |
Non-invasive qualitative measurement of chemistry of blood and bodily fluids
Mid-IR spectrometer with no moving parts, which is small and compact, low power consuming, and can monitor blood sugar (glucose) and other blood and bodily fluid analytes on a continuing basis. It...
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8017911 |
Use of spinel ferrites as sensitive material for bolometric infrared detector devices
The present invention relates to the use as a sensitive material in a thin layer for bolometric detection of infrared radiation, of a material having a spinel ferrite structure of chemical...
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8017912 |
System and method for spectral-based passive threat warning
A method of classifying an electromagnetic-energy emitting source event as one of a first, second, and third class event includes registering an irradiance spectrum from the source event. The...
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7928392 |
Systems and methods for blind echo cancellation
System and method for blind echo cancellation in a received terahertz signal in a pulsed terahertz system for imaging or spectroscopy. Blind signal processing methods estimate the impulse response...
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7929580 |
Inexpensive terahertz pulse wave generator
Pulses of signals in the terahertz region are generated using an apparatus made up of a mode-locked semiconductor laser diode with a short duty cycle that is optically coupled to a biased Auston...
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7902570 |
Apparatus comprising a single photon photodetector having reduced afterpulsing and method therefor
A single-photon detector is disclosed that provides reduced afterpulsing without some of the disadvantages for doing so in the prior art. An embodiment of the present invention provides a stimulus...
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7889015 |
Oscillation device
To provide an oscillation device having a long oscillation wavelength in which wavelength variable width is relatively broad and wavelength sweep rate is relatively high. An oscillation device...
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7872760 |
Method and device for detecting the contour data and/or optical characteristics of a three-dimensional semi-transparent object
A method and device for detecting the contour data and/or optical characteristics of an object, such as a tooth or a tooth restoration, based on an interference and/or autocorrelation measurement...
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7872233 |
Thermo-optic infrared pixel and focal plane array
A surface plasmon polariton (SPP) pixel structure is provided. The SPP pixel structure includes a coupling structure that couples the probing light into the SPP mode by matching the in-plane wave...
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7869046 |
Full hemisphere bi-directional reflectance distribution function instrument
According to an embodiment there is provided a bi-directional reflectance distribution function (BRDF) instrument, including an enclosure having a plurality of sides. A first side has a relatively...
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7851760 |
Control and optimization of process for making ethylene oxide
The invention pertains to a method for controlling the Limiting Oxygen Value (LOV) of a reactor for producing ethylene oxide using a tunable diode laser. The sample to be tested is extracted. A...
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7804069 |
Imaging apparatus and method
A method for imaging a sample, the method comprising the steps of: (a) irradiating the surface of a sample with a source of coherent substantially continuous radiation with a frequency in the range...
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7795588 |
Inspection apparatus
The invention is to provide an inspection apparatus causing interactions of plural times between an object and an electromagnetic wave, thereby enabling inspection with a satisfactory sensitivity...
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7795585 |
Vacuum package and manufacturing process thereof
A vacuum package has a chamber in which pressure is reduced to less than the atmospheric pressure, a functional component sealed in the chamber, and a material forming at least a part of the...
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7791025 |
Apparatus and method for analyzing relative outward flow characterizations of fabricated features
An apparatus and method for characterizing gas flow through features fabricated in a hollow part. A pressure regulated cooled gas is applied to an interior of the part to the features fabricated in...
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7767969 |
Method and apparatus for measuring spectroscopic absorbance
An object of the present invention is to provide a spectroscopic method and an apparatus which can measure a trace element accurately with high sensitivity. In order to achieve this object, for...
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7684015 |
System and method for clock synchronization and position determination using entangled photon pairs
A system and method for clock synchronization and position determination using entangled photon pairs is provided. The present invention relies on the measurement of the second order correlation...
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7671318 |
Sensor apparatus and method for low-frequency scene suppression and fixed pattern noise suppression
An imaging circuit comprises an image detector, accumulator coupled to the image detector, a focus/defocus mechanism focusing and defocusing an optical image onto the image detector; and a...
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7671338 |
Apparatus and method for analyzing relative outward flow characterizations of fabricated features
An apparatus and method for characterizing gas flow through features fabricated in a hollow part. A pressure regulated cooled gas is applied to an interior of the part to the features fabricated in...
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7659511 |
Image pickup apparatus, image display system, and method for controlling the image pickup apparatus
An image pickup apparatus includes an irradiation unit for radiating, to an object, light having a plurality of wavelength regions, and an image pickup unit for picking up an image that is obtained...
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7655920 |
Conversion apparatus, radiation detection apparatus, and radiation detection system
A conversion apparatus includes pixels including switching elements provided on an insulating substrate and conversion elements disposed over the switching elements and connected to the switching...
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7630835 |
Terahertz sensor to measure humidity and water vapor
A first frequency of electromagnetic radiation and a second frequency of electromagnetic radiation are received at a detector. The first and second frequencies of electromagnetic radiation are...
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7626193 |
Apparatus comprising a single photon photodetector having reduced afterpulsing and method therefor
A single-photon detector is disclosed that provides reduced afterpulsing without some of the disadvantages for doing so in the prior art. An embodiment of the present invention provides a stimulus...
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7564034 |
Terahertz sensing apparatus using a transmission line
A sensing apparatus is provided which comprises a chip (20) in which a transmission line (2) for propagating an electromagnetic wave is formed on a substrate (1), an electromagnetic wave generator...
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7511275 |
Semiconductor device, and control method and device for driving unit component of semiconductor device
A solid-state imaging device, such as a CMOS sensor, includes a unit pixel having a charge generation unit for generating signal charge, a floating diffusion for accumulating the signal charge...
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7502693 |
Spectral feature-based identification of substances
A spectroscopic identification method and system are provided that uses the primary or main spectroscopic features of a source, such as those as arising from chemical functional groups, to describe...
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7470902 |
Infrared camera electronic architectures
In accordance with one or more embodiments of the present invention, an infrared camera includes an infrared detector providing infrared data and a programmable logic device providing timing and...
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7456404 |
Viewing system for radiographs
A light control system and method for a film viewer (10). The viewer (10) includes an infrared emitter (50) with an infrared detector (52) in communication with a microprocessor (34). When a...
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7385199 |
Microbolometer IR focal plane array (FPA) with in-situ mirco vacuum sensor and method of fabrication
A microbolometer IR FPA is provided with in-situ vacuum sensing capability by realizing that the IR sensor microbolometer pixel element itself may be used as a vacuum sensor. The application of an...
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7179553 |
Method for detecting electrical defects in membrane electrode assemblies
A method and system for detecting imperfections in a membrane electrode assembly of an electrochemical fuel cell, and more particularly for detecting defects within a proton exchange membrane in a...
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7175436 |
Optical composite cure radiometer and method
A radiometer and method for providing an indication of the amount of time (exposure duration) needed to cause a light curable dental resin composite material to maximally polymerize in response to...
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7176465 |
Computer radiographic scanner utilizing a scan bar
The scanning device for radiographic media (28) is made of a rotatable vacuum drum (40) has an external surface (42) that, rotates about a longitudinal axis (7); the radiographic media is disposed...
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7129490 |
Oject detection technology
A detection apparatus is discloses comprising an emitter for emitting a plurality of optical pulses; a detector for receiving the optical pulses from the emitter; and a controller connected to the...
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7126124 |
Marking determining method and marking determining apparatus
The present invention realizes accurate determination on marking without using an infrared sensor having high responsiveness and high precision. An infrared sensor is disposed such that a region of...
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7126123 |
Surface contamination detection method and apparatus
A method and an apparatus for inspecting parts for surface contamination including the steps of covering the part with a film of water, and then scanning the wetted part with a infrared camera to...
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7087902 |
Fresnel lens tomographic imaging
Systems and methods for reconstructing a plurality of images of an object. An exemplary system includes a radiation source adapted to emit radiation at a plurality of frequencies; a lens with...
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7075083 |
Method for examining the structure of through-holes of a component
Methods for examining through holes of a component according to prior art generally use hot gases for the thermographic detection of blockages. The inventive method for examining the structure of...
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6989277 |
Method for immunoassays based on infrared reflection absorption spectroscopy
This invention relates to a method for immunoassays based on infrared reflection absorption spectroscopy that utilizes proteins such as antigen and antibody that have specific absorptions in...
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6985767 |
Living body information measuring apparatus, living body information measuring method, body fat measuring apparatus, body fat measuring method, and program recording medium
A body fat measuring apparatus is provided with a light emitting device 1 for projecting light rays to a subject's tissue, light receiving devices 3 and 4 for detecting a transmitted light ray...
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6975891 |
Raman spectroscopic system with integrating cavity
The present invention provides an apparatus for measurement of Raman scattered radiation comprising. The apparatus comprises at least one source of electromagnetic radiation for producing an...
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6958480 |
Sample desorption/ionization from mesoporous silica
Mesoporous silica is shown to be a sample holder for laser desorption/ionization of mass spectrometry. Supported mesoporous silica was prepared by coating an ethanolic silicate solution having a...
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6947861 |
Method for time-optimized acquisition of special spectra using a scanning microscope
The method implements time-optimized acquisition of special spectra using a scanning microscope, for which purpose the spectrum is subjected to bisecting interval measurements. The method for...
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6928916 |
Infrared friend or foe identification system
The present invention resides in an infrared identification system for identifying military vehicles as friendly or hostile. The infrared identification system includes a seed introduction system,...
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6921898 |
Bi-directional reflectance distribution function determination by large scale field measurement
Thermal images of an object are produced outdoors so as to be significantly differentiated temporally and/or geometrically and be inclusive of natural background such as would be illuminated by...
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6909981 |
Data management system and method for processing signals from sample spots
One embodiment of the invention is directed to a method of processing a plurality of spectra. The method includes receiving values associated with a plurality of sample spots on one or more sample...
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