Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8054467 | Method and apparatus for angular-resolved spectroscopic lithography characterization An apparatus and method to determine a property of a substrate by measuring, in the pupil plane of a high numerical aperture lens, an angle-resolved spectrum as a result of radiation being reflected off the substrate. The property may be angle and wavelength depende... | 11/08/2011 |
| 8027041 | Compact snapshot multispectral imaging system Systems and methods for multispectral imaging. ... | 09/27/2011 |
| 8018598 | Process, system and software arrangement for a chromatic dispersion compensation using reflective layers in optical coherence tomography (OCT) imaging A system, process and software arrangement are provided to compensate for a dispersion in at least one portion of an image. In particular, information associated with the portion of the image is obtained. The portion of the image can be associated with an interferen... | 09/13/2011 |
| 7986413 | Methods and apparatus for rapid scanning continuous wave terahertz spectroscopy and imaging Methods and apparatus are provided employing rapid scanning continuous wave terahertz spectroscopy and imaging for the non-destructive evaluation of materials such as animal hides and natural cork, and explosive detection, concealed weapon detection, and drug detect... | 07/26/2011 |
| 7973937 | Near field suppression with a multi-aperture imaging system A method for reducing noise in a multi-aperture imaging system is provided. Each sub-collector of the system, at least one of which has an adjustable optical path length, collects a portion of a wavefront. The adjustable optical path length is varied to each of a se... | 07/05/2011 |
| 7903254 | Systems and methods for endoscopic angle-resolved low coherence interferometry Fourier domain a/LCI (faLCI) system and method which enables in vivo data acquisition at rapid rates using a single scan. Angle-resolved and depth-resolved spectra information is obtained with one scan. The reference arm can remain fixed with respect to the sample d... | 03/08/2011 |
| 7894072 | Laser-based gas differential spectral analysis A laser interferometer, such as a dual path Michelson interferometer, is used to generate fringe patterns resulting from one of a plurality of optical paths passing through a sample gas. An artificial neural network, such as, for example, a KASER neural network, is ... | 02/22/2011 |
| 7876446 | Method and assembly for confocal, chromatic, interferometric and spectroscopic scanning of optical, multi-layer data memories An interferometric confocal method and assembly for terabyte volume optical data memories couples two-beam spectral interferometry to chromatic confocal technology and permits a longitudinal splitting of foci in the memory volume, with the foci having limited diffra... | 01/25/2011 |
| 7872756 | Gas measuring apparatus and gas measuring method A gas measuring apparatus includes: an infrared detecting section that receives an infrared ray from a measurement area and outputs infrared spectrum data relating to the infrared ray; a variation detecting section that detects, by using the infrared spectrum data, ... | 01/18/2011 |
| 7872757 | Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands Apparatus and method for increasing the sensitivity in the detection of optical coherence tomography and low coherence interferometry (“LCI”) signals by detecting a parallel set of spectral bands, each band being a unique combination of optical frequencies. The ... | 01/18/2011 |
| 7869051 | System and method for ratiometric non-linear coherent imaging The present invention includes a system and method for coherent imaging. The system of the present invention includes a light source adapted to provide coherent light to illuminate a sample resulting in optically mixed coherent signals and a detector adapted to rece... | 01/11/2011 |
| 7864327 | In-phase/in-quadrature demodulator for spectral information of interference signal Sinusoidal in-phase and in-quadrature signals at a given spatial frequency are combined with the irradiance signals generating a correlogram of interest and integrated over the length of the correlogram data-acquisition scan. The integration outputs are then used to... | 01/04/2011 |
| 7817282 | Use of crossed-beam spectral interferometry to characterize optical pulses Disclosed are an apparatus and methods for determining electric field characteristics of pulses. In one example, a method is provided in which an unknown pulse is propagated through a first optical fiber. A reference pulse is propagated through a second optical fibe... | 10/19/2010 |
| 7796270 | Systems and methods for generating data based on one or more spectrally-encoded endoscopy techniques Exemplary systems and methods for generating data associated with at least one portion of a sample can be provided. For example, according to one exemplary embodiment of such systems and methods, it is possible to provide a particular radiation using at least one fi... | 09/14/2010 |
| 7791732 | Method and apparatus for angular-resolved spectroscopic lithography characterization An apparatus and method to determine a property of a substrate by measuring, in the pupil plane of a high numerical aperture lens, an angle-resolved spectrum as a result of radiation being reflected off the substrate. The property may be angle and wavelength depende... | 09/07/2010 |
| 7701583 | Coherence spectrometry devices A spectrometry device comprising at least one wavefront-dividing interferometer comprising at least two unbalanced arms and at least one air wedge, a device for imaging interference fringes, an imaging sensor of the fringes and a processor that processes a signal de... | 04/20/2010 |
| 7595889 | Systems and methods for endoscopic angle-resolved low coherence interferometry Fourier domain a/LCI (faLCI) system and method which enables in vivo data acquisition at rapid rates using a single scan. Angle-resolved and depth-resolved spectra information is obtained with one scan. The reference arm can remain fixed with respect to the sample d... | 09/29/2009 |
| 7557927 | Optical apparatus for capturing spectral image An optical apparatus for capturing spectral images includes a variable spectroscopy device having first and second optical members that face each other and have a space therebetween, the spectral characteristics of the variable spectroscopy device being changed in a... | 07/07/2009 |
| 7518728 | Method and instrument for collecting fourier transform (FT) Raman spectra for imaging applications An instrument having an illumination source configured to illuminate a field of illumination on a surface of a substrate that is configured to hold a sample. The field of illumination typically has a diameter greater than 1 micron or an area greater than that of at ... | 04/14/2009 |
| 7492462 | Optochemical sensor A sensor containing a beam emitter that emits a first beam having laser, a beam-splitting interferometer and an array detector, wherein the first beam is to strike a sample that produces a second beam comprising a Raman signal, the beam-splitting interferometer is t... | 02/17/2009 |
| 7440108 | Imaging spectrometer including a plurality of polarizing beam splitters The present invention relates to an imaging apparatus and comprises input and output polarisers, a first polarising beam splitter and at least one additional polarising beam splitter, a light sensitive detector and focussing means arranged on an axis. The input pola... | 10/21/2008 |
| 7415303 | Optical scanning and imaging system and method An optical scanning and imaging system and related method for scanning and imaging an object is disclosed. The scanning and imaging system does not use mechanically moving components to achieve lateral scanning of an object. Instead, the system includes a deflecting... | 08/19/2008 |
| 7411682 | Real time high speed high resolution hyper-spectral imaging Real time high speed high resolution hyper-spectral imaging. (a) electromagnetic radiation collimating element (16), collimating electromagnetic radiation (44) emitted by objects (12) in a scene or a sample (14); (b) optical interferomete... | 08/12/2008 |
| 7394546 | Method and apparatus for full phase interferometry An apparatus and method for differential spectral interferometry comprising providing an interferometer comprising a light source; employing an element to provide a dithered relative phase shift between target and reference arms of the interferometer, detecting outp... | 07/01/2008 |
| 7391519 | Generation of spatially distributed spectral data using a multi-aperture system Detecting the presence of a target material in a scene by using a multi-aperture interferometer system having a plurality of apertures at least one of which has an adjustable optical path length, by adjusting the aperture(s) to obtain a predetermined optical path le... | 06/24/2008 |
| 7385705 | Imaging spectroscopy based on multiple pan-chromatic images obtained from an imaging system with an adjustable point spread function Generating a multispectral or hyperspectral image of an image source with an optical system having an adjustable, wavenumber-dependent point spread function, by collecting panchromatic images of the image source, each of which corresponds to a selected point spread ... | 06/10/2008 |
| 7361472 | Methods for providing extended dynamic range in analyte assays Methods for enhancing the dynamic range for specific detection of one or more analytes in assays using scattered-light detectable particle labels. The methods involve utilizing variations in detection technique and/or signal processing to extend the dynamic range to... | 04/22/2008 |
| 7359058 | Miniature fourier transform spectrophotometer The Miniature Fourier Transform Spectrophotometer provides the capability, in a miniaturized device, of determining the light absorption/transmission spectra of a collected sample of gas or liquid though Fourier Transform spectroscopy techniques. The device takes an... | 04/15/2008 |
| 7359062 | High speed spectral domain functional optical coherence tomography and optical doppler tomography for in vivo blood flow dynamics and tissue structure A system for tomographic imaging includes a source of at least partially coherent radiation, a frequency-swept laser source and an interferometer. The radiation in the interferometer is phase modulated at a modulation frequency for elimination of DC and autocorrelat... | 04/15/2008 |
| 7359057 | Method and apparatus for measuring small shifts in optical wavelengths A method and apparatus for detecting small shifts in optical wavelength is provided. Light having a known wavelength is directed towards a target volume in the atmosphere. Light reflected from the target volume is received and mixed with differentially delayed copie... | 04/15/2008 |
| 7352470 | Fourier transform spectrometry with a single-aperture interferometer A spectrometer that implements the functionality of a Fizeau interferometer, the spectrometer including a collection device that is configured to collect a wavefront, a deformable mirror disposed at an image plane of the collection device, the deformable mirror havi... | 04/01/2008 |
| 7336366 | Methods and systems for reducing complex conjugate ambiguity in interferometric data A complex conjugate ambiguity can be resolved in an Optical Coherence Tomography (OCT) interferogram. A reference light signal is propagated along a reference path. A sample light signal is impinged on a sample reflector. The reference light signal is frequency shif... | 02/26/2008 |
| 7335470 | Compilations of nucleic acids and arrays and methods of using them In one aspect the invention provides compilations of nucleic acids, articles of manufacture, e.g., arrays, and methods for the detection of chromosomal abnormalities, such as a chromosomal aneuploidies, deletions, amplifications, and the like, and the diagnosis or p... | 02/26/2008 |
| 7336372 | Noninvasive optical imaging by speckle ensemble A fly-eye-like imaging system for seeing objects embedded in scattering media. Objects are recovered from many speckled images observed by a digital camera through a microlens array. Each microlens in the array generates a speckle image of the object buried between ... | 02/26/2008 |
| 7333196 | Evaluation apparatus and evaluation method An evaluation apparatus which evaluates a sample having a porous layer. The apparatus includes a light source which irradiates the sample with light, an imaging spectrometer which spectroscopically measures light reflected by the sample and senses an image, a first ... | 02/19/2008 |
| 7330267 | Device and method for optical spectroscopy The invention relates to an apparatus for optical spectroscopy having means to produce an interference pattern and having a spatially resolving detector which can record the interference pattern produced. In accordance with the invention, the wavefronts of at least ... | 02/12/2008 |
| 7330268 | Spectral imaging apparatus and methodology A method and apparatus for an improved spectral imaging system is provided. The system is capable of measuring the fluorescence, luminescence, or absorption at selected locations on a sample plate. The emissions detection subassembly can tune to any wavelength withi... | 02/12/2008 |
| 7330270 | Method to suppress artifacts in frequency-domain optical coherence tomography One embodiment of the present invention is a method for suppressing artifacts in frequency-domain OCT images, which method includes (a) providing sample and reference paths with a significant difference in their chromatic dispersion (b) correcting for the effects of... | 02/12/2008 |
| 7309867 | Methods and apparatus for characterization of tissue samples The invention provides methods for determining the probability that a given region of a tissue sample contains tissue of a given category, such as CIN 1 (cervical intraepithelial neoplasia, grade 1), CIN 2/3 (cervical intraepithelial neoplasia grades 2 and/or 3), no... | 12/18/2007 |
| 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 of conventional dispersive spectrometers with a spatial filter or mask... | 11/27/2007 |
