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7616306 |
Compressive sampling and signal inference
An optical wavemeter includes a slit, a diffraction grating, a mask, a complementary grating, and a detector. A monochromatic source is incident on the slit. The diffraction grating produces an...
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7533000 |
Method and apparatus for analysing a dataset of spectra
A method of analyzing a dataset of spectra is provided in which each spectrum has a count value for each of a number of parameter values within a parameter range. The method is for identifying one...
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7515260 |
Chemometric analyzer with a spatial radiation modulator having a plurality of radiation filters
A chemometric analyzer for analyzing a plurality of analytes. The analyzer disperses radiation by wavelength along an encoding axis. The analyzer includes a spatial radiation modulator having a...
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7505130 |
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...
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7476863 |
Device limiting the appearance of decoding artefacts for a gamma camera with a coded mask
The invention relates to a device limiting the appearance of decoding artefacts for a gamma camera with a coded mask comprising a gamma radiation detector ( 3 ) opposite the coded mask ( 1 ) and...
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7430044 |
Encoder spectrograph with optimized diffraction grating
An encoder spectrograph is used to analyze radiation from one or more samples in various configurations. The radiation is analyzed by spatially modulating the radiation after it has been dispersed...
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7423749 |
Encoded photometric infrared spectroscopy analyzer with orthogonal-encoded components
An encoder spectrograph is used to analyze radiation from one or more samples in various configurations. The radiation is analyzed by spatially modulating the radiation after it has been dispersed...
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7423748 |
Encoder spectrograph and modulator for use therewith
An encoder spectrograph is used to analyze radiation from one or more samples in various configurations. The radiation is analyzed by spatially modulating the radiation after it has been dispersed...
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7420673 |
Spatial radiation modulator pattern generation
A method of generating a design pattern for a spatial radiation modulator to encode two or more selected spectral components in one or more spectral ranges for the chemometric analysis of a group...
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7399445 |
Chemical sensor
A sensor device is formed from a metal film having a plurality of openings, a sensor material positioned within each of the openings, a light source that emits light having a first wavelength, and...
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7379181 |
Structured coded aperture fiber bundles
A spatial filter for an optical system, such as an optical spectrometer, collects and spatially filters light using a fiber bundle having a plurality of fibers disposed therein. At an input end of...
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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...
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7330253 |
Method and apparatus for radiation analysis and encoder
Method and apparatus for analyzing radiation using analyzers and encoders employing the spatial modulation of radiation dispersed by wavelength or imaged along a line.
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7292335 |
Optical measurements of patterned structures
A method and a system for optical measuring in a structure having a pattern in the form of spaced-apart parallel elongated regions of optical properties different from that of spaces between said...
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7262846 |
Encoder spectrograph for analyzing radiation using spatial modulation of radiation dispersed by wavelength
An encoder spectrograph is used to analyze radiation from one or more samples in various configurations. The radiation is analyzed by spatially modulating the radiation after it has been dispersed...
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7248358 |
Devices and method for spectral measurements
A spectral measurement device comprising an entrance aperture for receiving an electromagnetic energy and a mask located at the entrance aperture in the form of a two-dimensional encodement...
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7167292 |
Spectroscope and confocal scanning microscope comprising thereof
The invention provides a spectroscope that provides variable masks 24 a and 24 b that limits the light path of separated light beams in the spectrum direction and composite masks 24 c and 24...
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7126682 |
Encoded variable filter spectrometer
Spectroscopic system and spectrometers including an optical bandpass filter unit having a plurality of bandpass regions and a spatial encoding unit for encoding discrete frequencies of light...
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7123398 |
Arrangement and use of a slit diaphragm
Device ( 1 ) and method for delimiting a field ( 3 ) impinged with light from a light source ( 2 ), particularly on the surface of an optical element ( 4 ) and/or sample ( 5 ), having a slit...
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7102752 |
Systems to view and analyze the results from diffraction-based diagnostics
An analyzer useful in determining the presence of an analyte using a diffraction based sensing device and methods and systems using this device. The present invention may be used with a variety of...
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7068368 |
Two-side multiple lamp online inner part inspection apparatus
An internal qualities inspection system having a receiving tray for placing an inspecting object thereon with a receiving seat and a transmission light passage formed in the receiving tray is...
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6996292 |
Staring 2-D hadamard transform spectral imager
A staring imaging system inputs a 2D spatial image containing multi-frequency spectral information. This image is encoded in one dimension of the image with a cyclic Hadamarid S-matrix. The...
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6995840 |
Method and apparatus for radiation encoding and analysis
Method and apparatus for analyzing radiation using analyzers and encoders employing the spatial modulation of radiation dispersed by wavelength or imaged along a line.
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6982788 |
Method and apparatus for spectrum analysis and encoder
A disc serving as a spatial radiation modulator has dispersed radiation filters thereon. Each filter has a transmittance or reflectance modulation function of the form sin 2 (mθ+pπ/4), where m is...
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6930774 |
Method and apparatus for producing unique radiation spectra
Apparatus and methods are disclosed for providing a desired spectral intensity profile from a broadband light source. The apparatus comprises separation means for separating light provided by the...
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6870619 |
Spectrometer and method for measuring optical spectrum
An entrance slit of the spectrometer is illuminated with optical radiation. An optical component images the entrance slit to an optical modulator by the optical radiation and disperses the optical...
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6864975 |
Method of and system for analyzing a sample containing a plurality of fluorescent substances
The present invention proposes a method of and system for analyzing samples (particularly, bio-samples), wherein the continuous spectrum white light pulse generated from an ultra-short optical...
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6859275 |
System and method for encoded spatio-spectral information processing
Encoded spatio-spectral information processing is performed using a system having a radiation source, wavelength dispersion device and two-dimensional switching array, such as digital micro-mirror...
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6801359 |
Optical arrangement provided for a spectral fanning out of a light beam
The invention relates to an optical arrangement provided for a spectral fanning out of a light beam ( 1 ), preferably the detection beam path of a confocal microscope, especially for the subsequent...
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6680778 |
Gas leak detector
A remote sensing method for detecting and analyzing gases, vapors and flame plumes using an imaging spectrometer. The spectrometric instrument uses Image Multispectral Sensing (IMSS) technology,...
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6665068 |
Arrangement for wavelength-dependent adjustment of light beam
An arrangement for wavelength-dependent adjustment of light beam, preferably laser radiation of different wavelengths, preferably in a laser scanning microscope, wherein the light beam is split by...
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6657722 |
Side multiple-lamp type on-line inside quality inspecting device
An object of inside-quality inspection being conveyed on a conveyer is irradiated sideways with beams of light from projection lamps concentratedly. A photodetecting device detects light...
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6529276 |
Optical computational system
In optical filter systems and optical transmission systems, an optical filter compresses data into and/or derives data from a light signal. The filter way weight an incident light signal by...
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6504943 |
Information-efficient spectral imaging sensor
A programmable optical filter for use in multispectral and hyperspectral imaging. The filter splits the light collected by an optical telescope into two channels for each of the pixels in a row in...
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6495818 |
Microscopic hyperspectral imaging scanner
A microscopic hyperspectral imaging scanner has a microscopic front objective lens, a spatial window for selectively passing a portion of the image therethrough, and a CCD array for receiving the...
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6480273 |
Multispectral imaging system and method
A multispectral imaging system ( 1 ) and method utilize an optical processor ( 3 ) for simultaneously comparing an input wavelength spectrum observed in a single spatial pixel in a scene image from...
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6288382 |
Micro-scanning multislit confocal image acquisition apparatus
The micro-scanning multislit confocal image acquisition apparatus of the present invention is a confocal image acquisition apparatus that comprises a nonscanning multislit confocal image...
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6208413 |
Hadamard spectrometer
The invention relates to a Hadamard spectrometer which enables the detection of a range of polyatomic gases or liquids for example using infrared absorption. The aim of the invention is to produce...
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6204941 |
Optical filtering device
An optical filtering device incorporates first and second prisms, the latter prism counteracting the angular dispersion of the former prism. A spatial light modulator provides a positionally...
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6195412 |
Confocal coded aperture imaging
A method for imaging a target volume comprises the steps of: radiating a small bandwidth of energy toward the target volume; focusing the small bandwidth of energy into a beam; moving the target...
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6166373 |
Focal plane scanner with reciprocating spatial window
A focal plane scanner having a front objective lens, a spatial window for selectively passing a portion of the image therethrough, and a CCD array for receiving the passed portion of the image. All...
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6128077 |
Confocal spectroscopy system and method
A confocal spectral imaging system comprises a light source, a light modulator forming an illumination aperture and directing an illumination pattern to conjugate object locations, and analyzing...
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6104486 |
Fabrication process of a semiconductor device using ellipsometry
A method of fabricating a semiconductor device includes the steps of illuminating a structure formed on a surface of a substrate by an incident optical beam incident to the structure with a...
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6088096 |
End-point detector for plasma etcher
An end-point detector for a plasma etcher, includes a converging lens for receiving strip-like plasma light produced between a pair of opposed electrodes and a spectroscope, having a slit located...
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6078389 |
Multivariate spectroscopy with optical computation
A method is presented to perform accurate property measurements using spectroscopic measurements at multiple wavelengths using nondispersed radiation with one, or sometimes two, detectors sensing...
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6031609 |
Fourier transform spectrometer using a multielement liquid crystal display
Fourier transform spectrometer using a multielement liquid crystal display. A ferroelectric liquid crystal mask is used as an optical encoder for a solid-state Fourier transform spectrometer. A...
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5963320 |
Active spectrometer
A grating spectrometer employing digital control of an oscillating component (a mirror) and phase-locked digital recording of the intensity profile within the narrow spectral domain defined by an...
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5923036 |
Spatially-multiplexed imaging microscope
An infrared imaging microscope uses spatial encoding to divide an sample being examined into a plurality of pixel regions. The spatial encoding is provided by a digitally controlled mask, which is...
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5867264 |
Apparatus for image multispectral sensing employing addressable spatial mask
An apparatus for spectral detection of remote objects. The apparatus consists of an input optic which focuses the field of view onto an image receiving surface consisting of an addressable spatial...
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5815261 |
Correlation spectrometer with high-resolution, broad-band optical characteristics
A spectrometer that determines a spectral correlation between an optical signal and a reference spectra over a broad spectral range while maintaining a relatively high resolution. The spectrometer...
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