Match
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Document |
Document Title |
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9041924 |
Transmissive diffraction grating and detection apparatus
A transmissive diffraction grating includes a polarization conversion layer, a first diffractive layer disposed on one surface side of the polarization conversion layer, and a second diffractive... |
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8965581 |
Robot apparatus, assembling method, and recording medium
A robot apparatus includes a gripping unit configured to grip a first component, a force sensor configured to detect, as detection values, a force and a moment acting on the gripping unit, a... |
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8953161 |
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... |
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8936754 |
Automatic analysis device
There is provided a high-accuracy automatic analysis device achieving both of measurement in a wide concentration range and high sensitivity at a low concentration. The signals of a plurality of... |
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8922768 |
Multi-path spectrometer
A spectrometer in accordance with the present disclosure may provide multiple optical paths from the inputs to the camera, where the paths are as nearly identical as possible. For example, a... |
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8922770 |
Spectral device and confocal scanning microscope provided with spectral device
Spectral device includes: diffraction element which disperses light for each wavelength; optical condensing system which condenses diffracted light of specific order generated by diffraction in... |
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8922769 |
High resolution MEMS-based Hadamard spectroscopy
A spectrometer includes: a collimating element configured for collimating a beam of light into a first one of a cross-dispersing element and an echelle grating, the grating in optical... |
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8917391 |
Color calibration system for a video display
Large digital displays for entertainment, architectural and advertizing displays have interconnected display panels with pluralities of light emitting elements. To solve calibration problems, each... |
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8913241 |
Hyperspectral imaging system and method for imaging a remote object
A hyperspectral imaging system and method are described herein for providing a hyperspectral image of an area of a remote object (e.g., scene of interest). The hyperspectral imaging system... |
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8891082 |
Temperature-compensated spectrometer
The invention relates to a spectrometer comprising a hollow main optical body having at least one light channel, a light source, a diffraction grating having a grating central point, a light inlet... |
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8883018 |
Low-loss, wide-band grating coupler and method of making same
A method for fabricating a grating coupler having a bottom mirror in a semiconductor wafer including etching a trench from a top surface of a wafer and around a grating coupler formed in the... |
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8885161 |
Energy dispersion device
The invention provides an energy dispersion device, spectrograph and method that can be used to evaluate the composition of matter on site without the need for specialized training or expensive... |
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8885162 |
Detection optical system and scanning microscope
Provided is a detection optical system that is provided with a dispersed-light detection function and that can increase the amount of detected light by enhancing the diffraction efficiency. A... |
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8885160 |
Microspectrometer
The compact microspectrometer for fluid media has, in a fixed spatial coordination in a housing, a light source, a fluid channel, a reflective diffraction grating, and a detector. The optical... |
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8879057 |
Spectral characteristic acquiring apparatus, spectral characteristic acquiring method and image evaluating apparatus
A spectral characteristic acquiring apparatus is provided which includes: an area dividing part; a spectrum separating part; a light receiving part; and a calculating part, wherein the calculating... |
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8873050 |
Selective diffraction with in-series gratings
Systems and methods for determining information for a wafer are provided. One system includes a first grating that diffracts light from a wafer having wavelengths in a first portion of a broadband... |
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8873048 |
Spectrometer arrangement
A spectrometer assembly (10), comprising an Echelle grating (18; 46) for dispersing radiation entering the spectrometer assembly (10) in a main dispersion direction, and a dispersion assembly (16;... |
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8873049 |
Broad band Czerny-Turner spectrometer, methods, and applications
A low-cost optics, broadband, astigmatism-corrected practical spectrometer. An off-the-shelf cylindrical lens is used to remove astigmatism over the full bandwidth, providing better than 0.1 nm... |
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8861086 |
Compact spectrometer including a diffractive optical element with dual dispersion and focusing functionality
Embodiments of the invention provide a device called a “G-Fresnel” device that performs the functions of both a linear grating and a Fresnel lens. We have fabricated the G-Fresnel device by using... |
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8854620 |
Curved grating spectrometer and wavelength multiplexer or demultiplexer with very high wavelength resolution
The present application discloses a system comprising a compact curved grating (CCG) and its associated compact curved grating spectrometer (CCGS) or compact curved grating wavelength... |
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8836938 |
Standard for wavelength and intensity for spectrometers
The description relates to a standard for wavelength and intensity for spectrometers, particularly for calibrating and testing measurement heads in spectrometers which are usable primarily in the... |
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8823932 |
Multi field of view hyperspectral imaging device and method for using same
A multi field of view hyperspectral imaging device and method for using the same which can be used in many applications including short wavelength infrared (SWIR) and long-wavelength infrared... |
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8804118 |
Spectral module
A spectral module 1 comprises a substrate 2 for transmitting light L1 incident thereon from a front face 2a, a lens unit 3 for transmitting the light L1 incident on the substrate 2, a... |
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8797530 |
Linearized variable-dispersion spectrometers and related assemblies
Wavenumber linear spectrometers are provided including an input configured to receive electromagnetic radiation from an external source; collimating optics configured to collimate the received... |
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8797529 |
Spectrometer design for aberration correction, simplified manufacture, and compact footprint
A spectrometer design method that corrects aberration by using crossed optical paths and minor alignment, simplifies manufacture by applying the light entrance slit and aperture on opposite sides... |
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8786853 |
Monochromator having a tunable grating
A spectrometer includes: an entrance aperture,a collimator, intended to produce, from a light source, a collimated input light (5),a plurality of gratings arranged in a 2-D matrix,a plurality of... |
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8786855 |
Shaped input apertures to improve resolution in grating spectrometers
An aperture shaped to provide a narrow beam in the horizontal plane but a wider beam in the vertical plane that will provide improved image quality in spectrometers without sacrificing as much... |
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8786854 |
Spectroscopic detector
A spectroscopic detector includes a spectroscopic element for dispersing light, a photodetector for detecting the light dispersed by the spectroscopic element and a condensing optical system for... |
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8786757 |
Wideband ambient light rejection
Optical apparatus includes an image sensor and objective optics, which are configured to collect and focus optical radiation over a range of wavelengths along a common optical axis toward a plane... |
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8767300 |
Diffraction element, manufacturing method for diffraction element, and spectrometer using the same
Objects are to obtain a highly accurate diffraction element that may prevent an intensity decrease of a light beam entering a light receiving unit without a decrease in diffraction efficiency and... |
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8759744 |
Apparatus and method for operating a spectrometer
A method of operating a spectrometer to determine the wavelength of an optical signal, in particular for determining the resonant wavelength of an optical fiber Bragg grating. The spectrometer... |
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8760647 |
Microscanning system with relay lens device and hyper-spectrometer device
A microscanning system including a microscope, a relay lens device, a stepping motor and a hyper-spectrometer is disclosed. The microscope is adapted to acquire and enlarge an image of an object... |
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8753872 |
Method and apparatus for assay for multiple analytes
A method and apparatus for assay of multiple analytes. The method uses a sensing element comprising a substrate upon which is arranged a multiplicity of recognition elements, such that each... |
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8755046 |
Spectrometer, and image evaluating unit and image forming device incorporating the same
A spectrometer includes a light source to project a light beam to a target object, a spectral element to disperse the light beam reflected by the target object and including a diffraction element... |
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8749781 |
High resolution slit-free direct-viewing multiplexing field spectrograph
A compact field spectrograph is described that provides a resolution of 500 or more with no entrance aperture, providing for substantial gain in light throughput, ideal for viewing multiple... |
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8742320 |
Spectral module and method for manufacturing spectral module
The present invention provides a highly reliable spectral module. When light L1 proceeding to a spectroscopic unit (4) passes through a light transmitting hole (50) in the spectral module (1) in... |
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8736836 |
Echelle grating multi-order imaging spectrometer utilizing a catadioptric lens
A cryogenically cooled imaging spectrometer that includes a spectrometer housing having a first side and a second side opposite the first side. An entrance slit is on the first side of the... |
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8717561 |
Miniature spectrometer with stray light filtering structure
A miniature spectrometer comprises an input unit, a stray light filtering structure, and a miniature diffraction grating. The input unit receives a first optical signal and a second optical... |
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8717560 |
Ring grating spectrometer
The present invention provides apparatuses including a point light source, a diffraction grating oriented in a light path generated from the point light source wherein the diffraction grating... |
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8711352 |
Optical multiplexer/demultiplexer
An apparatus for optical spectrometry utilizes a simplified construction, reducing the number of independent optical elements needed while providing a sizeable dispersed spectrum. The apparatus... |
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8705154 |
Spectral colorimetric apparatus and image forming apparatus using the same
A spectral colorimetric apparatus for detecting a color of an image of a subject, including: an illumination optical system illuminating the subject on a detection surface; a spectral optical... |
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8699024 |
Tunable optical filter and spectrometer
A tunable optical filter is disclosed having an input port, a beam translator for translating input and output optical beams, an element having optical power for collimating the translated beam, a... |
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8699021 |
System, method and computer readable medium for through silicon via structure measurement
A system for through silicon via (TSV) structure measurement comprises a reflectometer, and a computing unit. The reflectometer emits a broadband light beam to at least a TSV structure and... |
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8681329 |
Echelle spectrometer arrangement using internal predispersion
An Echelle spectrometer arrangement (10) with internal order separation contains an Echelle grating (34) and a dispersing element (38) for order separation so that a two-dimensional spectrum... |
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8665435 |
Wavelength detector and contact probe using it
A contact probe includes a stylus and an optical detector configured to detect a posture of the stylus optically. An illumination subject portion is formed on the stylus and has three or more... |
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8654328 |
Image mapping spectrometers
Devices and methods for hyperspectral and multispectral imaging are discussed. In particular, Image Mapping Spectrometer systems, methods of use, and methods of manufacture are presented.... |
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8649009 |
Optical spectrometer element having non-spherical mirrors
The invention relates to a spectrometer for analyzing the optical emission of a sample, having an excitation source, an entrance gap and a dispersive element, which fans out the spectrum of the... |
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8649008 |
Combined spectral and polarimetry imaging and diagnostics
Combined spectral and polarimetry imaging and diagnostic techniques are disclosed, including an imaging system that simultaneously records spatially co-registered spectral and polarization... |
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8643841 |
Angle-resolved spectroscopic instrument
A method for optically inspecting a specimen by directing a probe beam onto the specimen at varying angle of incidence and azimuth angle, thereby producing a reflected probe beam, gathering the... |
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8625092 |
Apparatus for measuring a spectral distribution of a translucent printed product produced with a printing device
An apparatus (10) measures a spectral distribution of a translucent printed product (12) produced with a printing device. The apparatus (10) has an illuminating source (20) for illuminating the... |