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Class 356/326 - Utilizing a spectrometer


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter wherein the spectroscopic examination is
No. of patents: 997
Last issue date: 05/29/2012


1                      
NumberTitleIssue Date
8189191Spectroscopic imaging microscopy
Disclosed herein are systems that include: (a) an objective lens system configured to collect light from a sample; (b) a first aperture positioned to allow a portion of the collected light received from the objective lens system to pass as input light; (c) a first l...
05/29/2012
8184289Spectral colorimetric apparatus and color image forming apparatus using the same
A spectral colorimetric apparatus for detecting a color of an image of a test subject illuminated includes a stop; a spectral detection optical system for spectrally detecting a beam diffused in the test subject and passing through the stop; and a guiding optical sy...
05/22/2012
8179527Terahertz spectrometer
A terahertz spectrometer includes an optical fiber and an emitter. The optical fiber is branched from a gain fiber constituting an ultra-short pulse oscillator. The emitter generates a terahertz wave from a pulse beam guided from the gain fiber through the optical f...
05/15/2012
8174693Calibration 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 light path to a NFOV spectrometer. A de-focusing optic is selectively pos...
05/08/2012
8169607Optical characteristic measurement device and optical characteristic measurement method suitable for spectrum measurement
A processing unit obtains a first spectrum detected in a first detection area and a first signal intensity detected in a second detection area after the light entering the housing is cut off, and then calculates a first correction spectrum by subtracting a first cor...
05/01/2012
8169608Optical characteristic measurement device and optical characteristic measurement method suitable for spectrum measurement
An optical characteristic measurement device includes a photodetector and a processor. The photodetector has a detection surface greater than a light incident surface receiving light from a spectrometer. The processor is configured to obtain a measurement spectrum d...
05/01/2012
8159668Spectrometer for measuring moving sample material and the method
An optical or infrared spectrometer is suitable for on-line measurements for industrial, agricultural, field, commercial and other applications. Optical spectrometers are very useful for various analytical measurements. On-line operation is needed for obtaining real...
04/17/2012
8159666Apparatus and method for measuring color
Methods in a spectral measurement apparatus are disclosed. Light is received with a plurality of sensors. Each sensor generates an output signal having a frequency proportional to an intensity of light received by the sensor. First, second and third signals are gene...
04/17/2012
8159667Tera- and gigahertz solid state miniature spectrometer
A high speed miniature tera- and gigahertz electromagnetic radiation on-chip spectrometer that comprises a tunable solid state 2D charge carrier layer or a quasi 2D charge carrier layer with incorporated single or multiple defects, at least first and second contacts...
04/17/2012
8149400Coded aperture snapshot spectral imager and method therefor
The present invention enables snap-shot spectral imaging of a scene at high image generation rates. Light from the scene is processed through an optical system that comprises a coded-aperture. The optical system projects a plurality of images, each characterized by ...
04/03/2012
8144323Apparatus, method and computer-readable storage medium for determining the ring-down time in a spectrometer system
A system is provided that includes a cavity ring-down spectrometer and a processor. The spectrometer is configured to pass, through a cavity resonator, a modulated, continuous-wave electromagnetic signal at each of one or more selectable, transmission frequencies in...
03/27/2012
8144322Spectral characteristic measuring apparatus, method for calibrating spectral characteristic measuring apparatus, and spectral characteristic measuring system
A spectral characteristic measuring apparatus includes: an illuminating section for irradiating illumination light onto a sample; a spectral section for separating light from the sample irradiated with the illumination light into light rays in accordance with wavele...
03/27/2012
8139212Measurement of volume holographic gratings
The present invention relates to methods of measuring the optical characteristics of volume holographic gratings with high resolution and with a large spectral coverage using a spectrally broad band source in conjunction with instruments that measure the spectrum su...
03/20/2012
8125637Optical beam spectrometer with movable lens
A spectroscopic system is described that provides at least one of focus of an excitation beam onto a sample, automatic focus of an optical system of the spectroscopic system for collecting a spectroscopic signal, and/or averaging of excitation intensity over a surfa...
02/28/2012
8125636Photodetector and spectrometer using the same
A photodiode array, having a plurality of photodiodes 12 (n-type channel regions 121), and a light entrance portion 13, formed of an opening that is used to make light to be detected by photodiodes 12 enter, are provided in a substrate
02/28/2012
8120773Method and device for cavity enhanced optical vernier spectroscopy
A spectroscopic analysis of a sample includes arranging the sample in a resonator cavity for transmitting cavity mode frequencies with a cavity mode frequency spacing, coupling pulsed source light into the resonator cavity, with the source light including source com...
02/21/2012
8115923Measuring arrangement for spectroscopic examination and throughput acquisition of a crop flow
A measuring arrangement for spectroscopic examination and throughput acquisition of a crop flow is provided, the arrangement having a spectrometer which comprises a light source, a window, a dispersive element and a detector, the light source is positioned to illumi...
02/14/2012
8111395Spectrometric investigation of heterogeneity
In one general aspect, a spectroscopic apparatus is disclosed for investigating heterogeneity of a sample area. The apparatus includes an image acquisition system operative to acquire images of a plurality of sub-areas in the sample area and a sub-area selection int...
02/07/2012
8111396Spectrometric measurement system and method for compensating for veiling glare
The present solution is directed to a measuring system and a method for determining spectrometric measurement results with high accuracy. The spectrometric measuring system, comprises a radiation source, an entrance slit, a dispersion element, and a detector with de...
02/07/2012
8107073Diffraction order sorting filter for optical metrology
A zoned order sorting filter for a spectrometer in a semiconductor metrology system is disclosed with reduced light dispersion at the zone joints. The order sorting filter comprises optically-transparent layers deposited underneath, or on top of thin-film filter sta...
01/31/2012
8094305Efficient optical arrangement for illumination and detection of label-free biosensors and method to reduce interference fringes in label-free imaging
An optical arrangement for illuminating a surface of a biosensor is described. The biosensor is preferably a sensor having periodic surface grating structure. The arrangement includes a light source generating light, collimating optics for collimating the light from...
01/10/2012
8089626Miniscule-size photo-spectrometer units
A device and a method for implementing a photo-spectrometer unit (20), or PSU (20), for use with a spectrometry system (100) having optical means (12), and electronic means (13) is disclosed. The PSU is formed in a two-step manufac...
01/03/2012
8068223Spectroscopic module
The spectroscopy module 1 is provided with a body portion 2 for transmitting light L1, L2, a spectroscopic portion 3 for dispersing light L1 made incident from the front plane 2a of the body portion 2 in...
11/29/2011
8054463Method and system for measuring sub-surface composition of a sample
In a method for measuring a composition of a sample, an illumination surface area of the sample is illuminated using a light source, and light from a plurality of emitting surface areas of the sample is received, each emitting surface area at a different location, t...
11/08/2011
8049884Spectrophotometer
A liquid sample is dropped onto the upper surface of a transparent and cylindrical light-transmitting body (22), and the liquid sample is maintained as a droplet by the surface tension. From above the liquid sample, a transparent cover plate (25) is lo...
11/01/2011
8049882Spectrometric optical method and system providing required signal-to-noise of measurements
A system and method for use in spectrometric measurements of an article using selecting an optimal integration time range of the light detection system during which the measurement is to be applied, the optimal integration time being that at which a required value o...
11/01/2011
8049883Wavelength tracker for swept wavelength sensor interrogation system
A swept wavelength interrogation system includes a tunable light source for outputting a light beam that is tunable over a range of wavelengths and an optical reader head for distributing the light beam among a plurality of sensors and for measuring response spectra...
11/01/2011
8049886Spectrometer with adjustable-deflector-controlled alignment for optical coherence tomography
A spectrometer is presented that can include a spectrally dispersive optical element to spectrally disperse a received light, a leveraged-optics adjustable deflector to adjustably deflect the spectrally dispersed light, and a detector array to receive the spectrally...
11/01/2011
8049885Method and apparatus for large spectral coverage measurement of volume holographic gratings
The present invention relates to methods of measuring the optical characteristics of volume holographic gratings with high resolution and with a large spectral coverage using a spectrally broad band source in conjunction with instruments that measure the spectrum su...
11/01/2011
8045156System and method for correlating photoreceptor pigmented film layer to electrical performance
The presently disclosed embodiments are directed to a system and method for obtaining spectra of highly scattering pigmented layers and providing a spectral reflection ratio, which can be correlated to photoreceptor electrical performance. The present embodiments em...
10/25/2011
8045155Spectroscopic module
The spectroscopy module is provided with a body portion for transmitting light, a spectroscopic portion for dispersing light made incident from the front plane of the body portion into the body portion to reflect the light on the front plane, a light detecting eleme...
10/25/2011
8040506Spectrometer sensor comprising moving optical means and corresponding spectrometer
A sensor for a spectrometer is provided, which includes at least one optical element onto which an excitation light source beam is directed and from which a target beam is emitted towards a sample to be analyzed. The at least one optical element can move, thereby en...
10/18/2011
RE42822Modified concentric spectrograph
A modified concentric spectrograph for diffracting light with high stray light rejection without astigmatism is provided. The modified spectrograph includes a grating, a lens, and at least one entrance port and one exit port. The grating has a concave surface and a ...
10/11/2011
8035813Method and device for measuring emissions of gaseous substances to the atmosphere using scattered sunlight spectroscopy
Methods for measuring emissions of gaseous substances to the atmosphere using scattered sunlight spectroscopy and an optical measuring device are disclosed in which the device includes a telescopic member defining a field-of-view of the optical measuring device and ...
10/11/2011
8031336Spectroscope
The spectrometer 1 is provided with a package 2 in which a light guiding portion 7 is provided, a spectroscopic module 3 accommodated inside the package 2, and a support member 29 arranged on an inner wall plane of the packa...
10/04/2011
8031337Angularly resolved scatterometer
An angularly resolved scatterometer uses a broadband radiation source and an acousto-optical tunable filter to select one or more narrowband components from the broadband beam emitted by the source for use in measurements. A feedback loop can be used to control the ...
10/04/2011
8027034Method for manufacturing spectroscopy module, and spectroscopy module
In a spectroscopy module 1, a light detecting element 5 having a light passing hole 50 is used. Therefore, it is possible to prevent the relative positional relationship between the light passing hole 50 and a light detecting portion 5...
09/27/2011
8018591Spectroscopy module
In a spectroscopy module 1, a light passing hole 50 through which a light L1 advancing to a spectroscopic portion 4 passes is formed in a light detecting element 5. Therefore, it is possible to prevent the relative positional relat...
09/13/2011
7969571Evanescent wave downhole fiber optic spectrometer
An apparatus for estimating a property of a fluid downhole, is provided an includes: an optical fiber that receives light emitted from a light source and including an unclad portion adapted for contacting the fluid; a photodetector for receiving optical signals from...
06/28/2011
7961316Optical spectrum analyzer with continuously rotating tunable filter
An optical spectrum analyzer is implemented with a detector combined with a tunable filter mounted on a stage capable of 360-degree rotation at a constant velocity. Because of the constant rate of angular change, different portions of the input spectrum are detected...
06/14/2011
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