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| Number | Title | Issue Date |
| 8111395 | Spectrometric 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 |
| 8111396 | Spectrometric 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 |
| 8107073 | Diffraction 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 |
| 8094305 | Efficient 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 |
| 8089626 | Miniscule-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 |
| 8068223 | Spectroscopic 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 |
| 8054463 | Method 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 |
| 8049886 | Spectrometer 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 |
| 8049883 | Wavelength 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 |
| 8049885 | Method 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 |
| 8049882 | Spectrometric 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 |
| 8049884 | Spectrophotometer 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 |
| 8045156 | System 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 |
| 8045155 | Spectroscopic 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 |
| 8040506 | Spectrometer 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 |
| RE42822 | Modified 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 |
| 8035813 | Method 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 |
| 8031336 | Spectroscope 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 |
| 8031337 | Angularly 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 |
| 8027034 | Method 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 |
| 8018591 | Spectroscopy 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 |
| 7969571 | Evanescent 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 |
| 7961316 | Optical 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 |
| 7952710 | Spectrometric analysis of fluids in-situ A box 14 having a body 13 is used with a transparent flexible bag containing a liquid such as an IV bag. First and second faces 12 are positioned relative to each other. The faces each have therewithin an end or fiber optic port 11 of a r... | 05/31/2011 |
| 7924422 | Calibration method 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... | 04/12/2011 |
| 7894057 | Methods of analyzing samples using broadband laser light Broadband light, for example, from a Fabry-Perot quantum cascade laser, is shone onto a sample, and spectral data concerning the broadband light reflected from the sample is collected. The spectral data is analyzed to determine information about one or more substanc... | 02/22/2011 |
| 7889335 | Handheld spectrometer including wireless capabilities A method for collecting and analyzing spectrum data to identify a composition of a sample material is described. The method includes obtaining a sample material, receiving a geographical location of the sample material at a handheld instrument, and analyzing the sam... | 02/15/2011 |
| 7884931 | Optically multiplexed imaging system and methods of operation The invention describes an optical multiplexer for increasing optical data collection efficiency across at least two fields of view. The optical multiplexer includes a first optical path for operatively receiving optical data from a first field of view and at least ... | 02/08/2011 |
| 7876433 | Spectrometer optics comprising positionable slots and method for the fully automatic transmission of calibrating adjustments between spectrometers equipped with optics of this type The invention relates to spectrometer optics with a beam path from a beam source to a number of electro-optical sensors without spatial resolution, the beam path comprising an entry slot, a dispersive element, and a number of exit slots arranged on a focal curve, wh... | 01/25/2011 |
| 7872749 | Instrument for making optical measurements on multiple samples retained by surface tension The invention is an installment for making multi-channel spectroscopic measurements on a plurality of nanodrop samples held by surface tension between opposing optical fibers wherein a single fiber is scanned across a linear spaced array of receiving, detecting fibe... | 01/18/2011 |
| 7869034 | Multi-angle and multi-channel inspecting device A multi-angle and multi-channel detecting device for detecting one or more than one samples is provided. The device has a light collector and a multi-channel kernel module. The light collector has a plurality of fiber probes arranged perpendicular to and/or inclined... | 01/11/2011 |
| 7869035 | Sample table for a food analyzing device Disclosed is a sample table for a food analyzing device used for analyzing a food sample. Said sample table includes a sample holder (14) for receiving the food sample, a means for moving the sample holder (14), and a housing (12) that surrounds... | 01/11/2011 |
| 7864316 | Spectrometric characterization of pharmaceutical heterogeneity In one general aspect, a spectroscopic method for monitoring heterogeneity of a sample is disclosed. In this method, sampled spectroscopic measurements are acquired over a range of different micro locations in a macro-sample of the sample. This step is repeated for ... | 01/04/2011 |
| 7839502 | Method for the wavelength calibration of a spectrometer Methods for wavelength calibration of spectrometers are provided which achieve better calibration accuracies than conventional peak search methods. The methods are based on the principle of a stepwise relative shift of corresponding measured-value blocks of a model ... | 11/23/2010 |
| 7839503 | Method and system for a solar simulator System and method for testing solar cells is provided. The system includes a first light source configured to generate a first optical beam; a second light source configured to generate a second optical beam; a reflector for each light source, configured to collimat... | 11/23/2010 |
| 7821635 | In-situ detection and analysis of methane in coal bed methane formations with spectrometers A measuring system for in-situ measurements down a well (1) by a spectrometer (4) is provided. The spectrometer (4) includes a radiation source (5) and a detector (6). A probe (15) optically connected to the spectrometer ( | 10/26/2010 |
| 7817272 | High-resolution spectrally adjustable filter For spectrally filtering at least one input beam, a first reflective element is configured to tilt to multiple tilt orientations that each corresponds to a different angle of propagation of at least one input beam. One or more optical elements are configured to chan... | 10/19/2010 |
| 7817271 | Confocal microscope and method for detecting by means of a confocal microscope The invention relates to a confocal microscope which illuminates a sample (15) by means of at least one light source. A detection light beam (17) is emitted from the sample (15). The detection light beam (17) is spectrally split up in a s... | 10/19/2010 |
| 7812948 | Different-kind-of-object detector employing plane spectrometer A detector for detecting a different kind of object among objects being carried with high resolution using a plane spectrometer irradiates near-infrared ray and performs plane spectroscopy for a reflected light. The detector also detects spectral data of the reflect... | 10/12/2010 |
| 7812949 | Spectrometer with cylindrical lens for astigmatism correction and demagnification A spectrometer which in one embodiment including a dispersive element and a concave element. The dispersive element may be a flat or concave grating which receives light and reflects the light in different collimated wavelengths. The concave element being located do... | 10/12/2010 |
