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| Number | Title | Issue Date |
| 8189188 | Methods for determining enantiomeric purity with varying chiral analyte concentration A new strategy for the quantitative determination of enantiomeric purity that combines guest-host complexation, spectroscopy, and chemometric modeling. Spectral data for samples of known enantiomeric composition is subjected to a type of multivariate regression mode... | 05/29/2012 |
| 8189189 | LED sensor for process control The invention relates to a device and method for monitoring a chemical reaction proceeding from a first state to a second state by emitting and detecting radiation in ranges of interest for a spectral signature of the material undergoing the chemical reaction. Using... | 05/29/2012 |
| 8164747 | Apparatus, system and method for optical spectroscopic measurements A system and method for optical spectroscopic measurements is described. One embodiment includes a measurement head for optical spectroscopic measurements, the measurement head comprising an illumination source configured to illuminate a sample, a collection optic c... | 04/24/2012 |
| 8164748 | Widely-tuned semiconductor laser based gas liquid solid analysis system A near infrared (NIR) semiconductor laser system is shown for gas sensing. An embodiment is centered on the use of a system with a much wider tunable laser, which today has a scan band of more than 150 nanometers (nm) to as much as 250 nm or more. In some cases the ... | 04/24/2012 |
| 8159661 | Hyper-spectral imaging and analysis of a sample of matter, and preparing a test solution or suspension therefrom Method for hyper-spectral imaging and analysis of a sample of matter, for identifying and characterizing an object of interest therein. Preparing test solution or suspension of the sample, including adding thereto a spectral marker specific to object of interest, su... | 04/17/2012 |
| 8154721 | Method of online predicting maintenance of an apparatus A method of online predicting maintenance of an apparatus is disclosed. Using an optical emission spectroscopy (OES) positioned on the apparatus and the change of emission spectrum intensity detected by the OES in the process, according to the detected results, meas... | 04/10/2012 |
| 8144320 | Method and apparatus for reconstructing optical spectra in a static multimode multiplex spectrometer The static MMS spectral reconstruction process is optimized using algorithmic methods. Because the static MMS encodes spectral information across the detector plane in a highly non-local way, optical errors have a non-local effect on the reconstruction which introdu... | 03/27/2012 |
| 8139210 | Real-time monitoring apparatus for biochemical reaction The present invention relates to an apparatus for real-time monitoring chemical reaction between various biomaterials. More particularly, the present invention directed to a real-time monitoring apparatus for biochemical reaction, which comprises parabolic mirror an... | 03/20/2012 |
| 8125633 | Calibration of a radiometric optical monitoring system used for fault detection and process monitoring The present invention is directed to a system and method for radiometric calibration of spectroscopy equipment utilized in fault detection and process monitoring. Initially, a reference spectrograph is calibrated to a local primary standard (a calibrated light sourc... | 02/28/2012 |
| 8120771 | Configuration of a laser scanning microscope for raster image correlation spectroscopy measurement and method for conducting and evaluating such a measurement By means of an improved configuration method, mathematical transport models can be fitted to correlations determined by means of scanning fluorescence spectroscopy with few errors. With improved methods for carrying out or evaluating a raster image correlation spect... | 02/21/2012 |
| 8111391 | Optical cell An optical cell for spectral analysis is disclosed generally comprising a monolithic cell body that transmits light, the cell body having an outer surface and a fluid channel for receiving a sample that defines an inner surface. The inner surface of said cell body i... | 02/07/2012 |
| 8094301 | Video and thermal imaging system for monitoring interiors of high temperature reaction vessels A system and method for real-time monitoring of the interior of a combustor or gasifier wherein light emitted by the interior surface of a refractory wall of the combustor or gasifier is collected using an imaging fiber optic bundle having a light receiving end and ... | 01/10/2012 |
| 8064052 | Energy meter for mixed streams of combustible compounds An energy content meter can spectroscopically quantify oxidation products after oxidation of a combustible mixture. The measured oxidation product concentrations or mole fractions can be converted to an energy content of the un-oxidized combustible mixture using a c... | 11/22/2011 |
| 8049880 | System and method for time resolved spectroscopy A system for time resolved spectroscopy comprises a CCD device arranged to receive a time varying spectrum. Time resolved spectroscopy is the analysis of a spectrum that varies with time due to any cause. The variation with time of the spectrum may be due, for examp... | 11/01/2011 |
| 8035812 | System and method for measuring display quality with a hyperspectral imager A system and method for measuring display quality by using a hyperspectral imager are disclosed. In one embodiment, the system comprises a hyperspectral imager configured to determine an intensity of light for a plurality of locations in a first area on a display fo... | 10/11/2011 |
| 8027031 | Spectrometric metrology of workpieces using a permanent window as a spectral reference In a spectrographic workpiece metrology system having an optical viewing window, the viewing window is calibrated against a reference sample of a known absolute reflectance spectrum to produce a normalized reflectance spectrum of the reference sample, which is combi... | 09/27/2011 |
| 8018589 | Apparatus and methods relating to enhanced spectral measurement systems The apparatus and methods herein provide light sources and spectral measurement systems that can improve the quality of images and the ability of users to distinguish desired features when making spectroscopy measurements by providing methods and apparatus that can ... | 09/13/2011 |
| 7999933 | Method for calibrating imaging spectrographs Disclosed is a method for calibrating optical spectrographs, and in particular optical spectrographs having focal plane array detectors. The method comprises the steps of detecting a spectrum of a known source, referencing a table of known spectral wavelengths and r... | 08/16/2011 |
| 7973924 | Target substance sensor and method thereof using a photonic crystal A highly sensitive and compactable target substance sensor for detection of the target substance using a photonic crystal and a method thereof. The sensor includes an electromagnetic wave source of supplying an electromagnetic wave, a photonic sensor element, and a ... | 07/05/2011 |
| 7969569 | Method for detecting trace substance using organic electroluminescent device Provided is a detection method and device for analyzing trace substance of interest in a short time and with high accuracy without the need of performing any treatment for binding a fluorescent substance to the substance of interest or using any large apparatus. The... | 06/28/2011 |
| 7969568 | Spectrographic metrology of patterned wafers Light reflected from respective image elements of a workpiece is channeled through respective light channeling elements to respective locations of a spectrographic light disperser. Spectral distributions of the respective image elements produced by the spectrographi... | 06/28/2011 |
| 7936453 | Terahertz frequency domain spectrometer with integrated dual laser module An apparatus for analyzing, identifying or imaging a target including an integrated dual laser module coupled to a pair of photoconductive switches to produce CW signals in the range of frequencies from 100 GHz to over 2 THz focused on and transmitted through or ref... | 05/03/2011 |
| 7929130 | Illumination sources and customizable spectral profiles Methods for generating a customized spectral profile, which can be used to generate a corresponding filter, lamp or other type of illuminant. A trial spectrum can be generated. A reference spectrum can be determined or otherwise obtained. A SOURCE spectrum can be de... | 04/19/2011 |
| 7911603 | Spectrometric metrology of workpieces using a permanent window as a spectral reference In a spectrographic workpiece metrology system having an optical viewing window, the viewing window is calibrated against a reference sample of a known absolute reflectance spectrum to produce a normalized reflectance spectrum of the reference sample, which is combi... | 03/22/2011 |
| 7907273 | System and method for measuring starch gelatinization A system for measuring starch gelatinization in a feed production system. The system includes a feed production system configured to generate an extruded feed from a feed mixture using a combination of steam and pressure to cook the feed in an extruder, a near infra... | 03/15/2011 |
| 7907272 | Fiber optic spectroscopic digital imaging sensor and method for flame properties monitoring A system for real-time monitoring of flame properties in combustors and gasifiers which includes an imaging fiber optic bundle having a light receiving end and a light output end and a spectroscopic imaging system operably connected with the light output end of the ... | 03/15/2011 |
| 7898656 | Apparatus and method for cross axis parallel spectroscopy An exemplary embodiment of apparatus and method to measure and filter the spectrum of electro-magnetic radiation using multiple dispersive elements, such as diffraction gratings or VIPA etalons, concatenated in a cross-axis orthogonal arrangement can be provided. Fo... | 03/01/2011 |
| 7869029 | Multiple wavelength light collimator and monitor An optical system for receiving and collimating light and for transporting and processing light received in each of N wavelength ranges, including near-ultraviolet, visible, near-infrared and mid-infrared wavelengths, to determine a fraction of light received, and a... | 01/11/2011 |
| 7859659 | Spectroscopic scatterometer system Before the diffraction from a diffracting structure on a semiconductor wafer is measured, where necessary, the film thickness and index of refraction of the films underneath the structure are first measured using spectroscopic reflectometry or spectroscopic ellipsom... | 12/28/2010 |
| 7847931 | Measuring equipment A measuring equipment utilizing terahertz pulse light, includes: a terahertz light generator that generates terahertz pulse light; a terahertz light detector that detects terahertz pulse light; a first condensing optical system that condenses the terahertz pulse lig... | 12/07/2010 |
| 7808632 | Nanocomposite material for direct spectroscopic detection of chemical vapors Method and material for spectroscopic detection of organic chemicals. The material is a substantially optically transparent solid, such as ZnS, having a high surface area for adsorption of an analyte, such as organic chemical vapors. The solid material preferably ha... | 10/05/2010 |
| 7796250 | Electro-optical measuring device An electro-optical measuring device, in particular a hand-held device for contactless distance measurement, has an optical transmission path that includes at least one optical transmitter for transmitting a measurement signal, a reception path with at least one rece... | 09/14/2010 |
| 7773216 | Composite sheet material selection method for use in ultra-fast laser patterning The present invention is a method of selecting composite sheet materials for use in ultra-fast laser patterning of layers of organic thin film material such as OLEDs. The material is selected to accomplish patterning of upper layers without damaging underlying layer... | 08/10/2010 |
| 7764371 | System and method for super resolution of a sample in a fiber array spectral translator system The disclosure relates generally to methods and apparatus for obtaining a super resolution image of a sample using a fiber array spectral translator system. In one embodiment includes collecting photons from a sample at a first end of a fiber array spectral translat... | 07/27/2010 |
| 7764372 | Determining an analyte by multiple measurements through a cuvette A method for measuring the presence or concentration of an analyte in a sample by spectrophotometry: providing an open top cuvette having a sample with an analyte to be measured; providing a light source and a detector for detecting emitted light; taking at least tw... | 07/27/2010 |
| 7755755 | Matched optical waveforms for detection and identification of biological pathogens A method is provided for identifying a contaminant in a gaseous space. The method includes: generating a broadband optical waveform; shaping the optical waveform to match an expected waveform for a known contaminant; and transmitting the shaped optical waveform towa... | 07/13/2010 |
| 7742166 | Enhancing selectivity and/or sensitivity of spectroscopic measurements in media An apparatus for enhancing the selectivity for spectroscopic measurements of analytes in a turbid medium is described. In one example, spatial filters are used to select only certain radii from the medium to be imaged. This selection is accomplished by placing an op... | 06/22/2010 |
| 7728970 | Method for determining mixture composition of fluorescent materials and method for manufacturing light-emitting device A method for determining a mixture composition of a plurality of fluorescent materials includes steps of calculating a first function, calculating a second function and determining a secondary mixture composition of the plurality of fluorescent materials. The first ... | 06/01/2010 |
| 7719675 | Method for optical characterization and evaluation of optically variable devices and media Methods for evaluating an optically variable device (“OVD”) or optically variable media (“OVM”) are disclosed. The methods include the steps of applying light of a single wavelength from a calibrated light source to the OVD or OVM; measuring the light diffra... | 05/18/2010 |
| 7719676 | Downhole laser measurement system and method of use therefor A downhole laser measurement system useful for evaluating the chemical or elemental composition of geologic formations or formation fluids or interrogating a fiber optic sensor includes a pressure housing, wherein the pressure housing further includes a laser dispos... | 05/18/2010 |
