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7369229 Spectral imaging system  
An imaging system and methods for resolving elements of interest through and obscuring environment by removing undesired signals from the intervening, obscuring environment is disclosed. A passive ...
7369228 Compact spectrometer  
The present invention is directed to a spectrometer in which the electrical and optical components are connected to one another in a compact construction. A minimal expenditure on assembly and adju...
7366365 Tissue scanning apparatus and method  
A system for multispectral confocal mapping of a tissue, comprising: a light source; an optical fiber having an aperture providing a confocal pinhole, a scanner being free-space coupled to said ape...
7365845 Optical spectrum analyzer  
An optical spectrum analyzer measures to-be-measured light while carrying out calibration processing for correcting wavelength information of spectrum data of the to-be-measured light by a waveleng...
7365843 Spectral photometer and associated measuring head  
A spectral photometer intended for integration purposes includes a measurement head equipped with illumination arrangement including at least one light source for the illumination at an angle of in...
7362434 Optical switch  
A highly reliable optical switch which can output (switch) accurately to an optical fiber for output without being affected by a change in an environment and a change due to an elapsed time is prov...
7362433 Absorbance reader apparatus, absorbance reader control method, and absorbance calculation program  
The absorbance of samples in a number of wells on a microchamber array is efficiently read in a short period of time. The microchamber array is simultaneously irradiated with monochromatic light. W...
7361601 Chemical mechanical polish process and method for improving accuracy of determining polish endpoint thereof  
A method for improving accuracy of determining polish endpoint of chemical mechanical polish (CMP) process is provided. The method is performed before the CMP process. First, a test wafer with a to...
7359051 Multiple-wavelength spectroscopic apparatus  
In a multi-wavelength spectroscopic apparatus using diffraction gratings, a first diffraction grating is a diffraction grating with diffraction efficiencies of p-polarized light and s-polarized lig...
7359050 Compact triple pass hyperspectral imager  
A compact, triple pass hyperspectral imager (spectrometer). The hyperspectral imager (imaging system) of this invention includes an optical sub-system, a reflective slit element, a reflective dispe...
7359044 Method and apparatus for inspecting pattern defects  
A method of inspecting pattern defects can detect target defects in various processes stably by reducing erroneous detection of grains and morphology and decreasing the influence of an intensity no...
7355705 Using a fixed-frequency oscillation in a dispersive spectrometer to measure scene inhomogeneity  
A method for measuring scene inhomogeneity includes the steps of directing radiance of a scene into a dispersive spectrometer, and changing the field-of-view (FOV) of the spectrometer, while direct...
7345760 Grating monochromator/spectrograph  
A monochromator for use in a spectrograph admits light from an aperture to a primary reflector (preferably an off-axis parabolic mirror) which collimates the input light with low aberration and dir...
7342659 Cross-dispersed spectrometer in a spectral domain optical coherence tomography system  
A spectral-domain optical coherence tomography system using a cross-dispersed spectrometer is disclosed. The interfered optical signal is dispersed by a grating into several orders of diffraction, ...
7342658 Programmable spectral imaging system  
An imaging apparatus for obtaining spectral image data from an object that includes: a) a light source; b) an input optics section; c) a programmable spectral filter that conditions the multispectr...
7339669 Device for the analysis of the qualitative composition of gases  
A device for the analysis of the qualitative, optionally also the quantitative composition of gases, uses measuring light of known spectral composition that can pass through the gas to be analyzed ...
7339665 Calibration source for calibrating spectroradiometer, calibration method using the same, and calibration system  
A spectroradiometer is calibrated by a calibration source including a plurality of monochromatic sources for emitting monochromatic rays having different wavelengths from each other, respectively; ...
7336357 Multi-channel dual phase lock-in optical spectrometer  
The development of a multiple-channel dual phase lock-in optical spectrometer (LIOS) is presented, which enables parallel phase-sensitive detection at the output of an optical spectrometer. The lig...
7336354 Spectrophotometer  
A spectrophotometer having an optical system for directing a beam of substantially monochromatic excitation light to a liquid sample contained in a well ( 3 ) of a well plate for interaction with t...
7336353 Coding and modulation for hyperspectral imaging  
Embodiments of the present invention relate to systems and methods for spectral imaging. In one embodiment, an image of the scene is formed on a coded aperture of a spectrometer. A coded image from...
7332733 System and method to correct for field curvature of multi lens array  
Focal plane errors across the field of an array of focusing elements are reduced by using a non-planar correction surface, shaped such that focal points of the focusing elements lie closer to a sin...
7330258 Spectrometer designs  
Various embodiments include spectrometers comprising diffraction gratings monolithically integrated with other optical elements. These optical elements may include slits and mirrors. The mirrors an...
7330257 Spectroscope and spectrum laser microscope  
An object is to provide a spectroscope and a spectrum laser microscope capable of carrying out sensitivity correction of a multi-channel photodetector with real time. The spectrum laser microscope ...
7324196 Spectral encoder  
A spectral encoder for producing spectrally selected images of a radiation field containing multiple spectral components. An imaging spectrograph defines a first optical path that produces from the...
7324195 Planar waveguide based grating device and spectrometer for species-specific wavelength detection  
Planar waveguide based grating devices and spectrometers, for species-specific wavelength detection for example, are disclosed. A planar waveguide spectrometer apparatus may have a microfluidic cha...
7321423 Real-time goniospectrophotometer  
In accordance with embodiments of the present invention, a goniospectrophotometer is provided for quickly obtaining a goniospectrum using a goniospectrophotometer. In some embodiments, a parabolic ...
7319990 Produce identification and pricing system for checkouts  
A produce identification and pricing system and method for a supermarket checkout or other retail outlet where produce is handled. The produce identification and pricing system and method determine...
7319519 Method for the analysis of echelle spectra  
A method for the wavelength calibration of echelle spectra, in which the wavelengths are distributed across number of orders is characterised by the steps: recording of a line-rich reference spectr...
7317525 Method for validating a dispensed pharmaceutical  
An apparatus for verifying the identity of a dispensed pharmaceutical comprises an analysis unit adapted to determine a property of the dispensed pharmaceutical, an input device adapted to receive ...
7315371 Multi-channel spectrum analyzer  
A spectrum analyzer for the simultaneous analysis of electromagnetic radiation delivered to it from either multiple sources or from a linear segment along a source surface, and arranged as either c...
7315368 Spectra generator for test and calibration  
A spectra generator having an electrically programmable diffraction grating. There may be a broad band light source that emits light which is diffracted by the grating. Diffracting elements in the ...
7310581 Bulk material analyzer system  
A real-time bulk material analyzing system is disclosed for analyzing the elemental characteristics of bulk material passing by the system on a moving conveyor belt. An exemplary embodiment include...
7304735 Broadband wavelength selective filter  
An optical filter for the selective attenuation of specific wavelengths of light includes at least one spectrally dispersive element, such as a diffraction grating or prism, in combination with an ...
7301625 Static two-dimensional aperture coding for multimodal multiplex spectroscopy  
A class of aperture coded spectrometer is optimized for the spectral characterization of diffuse sources. The instrument achieves high throughput and high spatial resolution by replacing the slit o...
7292387 Methods and systems to enhance multiple wave mixing process  
Frequency conversion methods are taught wherein non-collinear phase matching configurations may be implemented in non-linear crystals used in three wave mixing processes such that the frequency con...
7292337 Optical processor using detecting assembly and method using same  
An optical processor includes a light source ( 20 ), a grating device ( 23 ), a first lens ( 24 ), a reflector ( 25 ), a second lens ( 26 ), an array of mirror cells ( 28 ), a color wheel ( 29 ), a...
7289208 Low profile spectrometer and Raman analyzer utilizing the same  
A spectrometer comprising a collimating element for receiving input light and collimating the same, a dispersive optical element for receiving light from the collimating element and dispersing the ...
7289206 Method and apparatus for detecting embedded rebar within an interaction region of a structure irradiated with laser light  
A detection system is used during irradiation of an interaction region of a structure including embedded material with laser light. The detection system includes a collimating lens positioned to re...
7286225 Optical fiber type spectroscope and spectroscope system equipped therewith  
A spectroscope includes an optical fiber 218 , a collimator optical system 231 for collimating signal light come out from the optical fiber 218 , a spectroscopic element 233 for dispersing th...
7286223 Method and apparatus for detecting embedded rebar within an interaction region of a structure irradiated with laser light  
A detection system is used during irradiation of an interaction region of a structure with laser light. The structure includes embedded material. The detection system includes a focusing lens posit...
7283233 Curved grating spectrometer with very high wavelength resolution  
The present invention discloses a system comprising a compact curved grating (CCG) and its associated compact curved grating spectrometer (CCGS) module and a method for making the same. The system ...
7283231 Compressive sampling and signal inference  
A transmission mask or cooled aperture is used in spectroscopy to compressively sample an optical signal. The locations of transmissive and opaque elements of the mask are determined by a transmiss...
7280206 Method and apparatus to improve the dynamic range of optical devices using spatial apodization  
Devices and methods for processing multi-wavelength light beams and the single-wavelength components of such light beams are disclosed. In accordance with some embodiments, a spectral filter includ...
7277189 Generation of a library of periodic grating diffraction signals  
A method of generating a library of simulated-differentiation signals (simulated signals of a periodic grating includes obtaining a measured-diffraction signal (measured signal). Hypothetical param...
7268869 In-situ spectrograph and method of measuring light wavelength characteristics for photolithography  
An in-situ spectrograph having a spectrometer module positioned at a reticle plane or at a wafer plane of a photolithography projection system is disclosed. The spectrometer module disperses light ...
7265831 Spectrometric measuring head for harvesting machines and other equipment used in agriculture  
A spectrometric measuring head for harvesting machines and other agricultural equipment comprises a housing with a window, in which a light source, a spectrometer arrangement and at least two stand...
7265830 Fourier Transform spectrometer apparatus using multi-element MEMS  
A Fourier Transform (FT) spectrometer apparatus uses multi-element MEMS (Micro-Electro-Mechanical-Systems) or D-MEMS (Diffractive Micro-Electro-Mechanical-Systems) devices. A polychromatic light so...
7265829 Reflective optic system for imaging microplate readers  
A reflective light imaging system for use in high-throughput screening of samples disposed in multiple-well plates. The system can include a set of mirrors and lenses. The first mirror has a centra...
7265827 Double grating three dimensional spectrograph with multi-directional diffraction  
A spectrograph with a first concave spectrographic diffraction grating is positioned to receive light from an input light source. The first concave spectrographic diffraction grating is configured ...
7265826 Method and device for the differential spectrophotometry of non-clear media by means of spectro-temporal imaging in counting mode  
According to the invention, to analyse a non-limpid medium, this medium is lit by at least one light pulse, a spectral and temporal transmission image, in counting mode, is acquired from the lit me...

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