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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...
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...
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 wafer;...
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...
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...
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...
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...
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...
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;...
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 usi...
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...
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...
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...
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 spectroscopic...
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...
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...
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...
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...
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...
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...
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...
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 to...
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...
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 element...
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...
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 distant...
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...
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...
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...
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 signal....
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...
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...
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...
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 receives...
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 having...
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...
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....
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...
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...
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...
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...
8614791 Spectroscope  
Provided is a spectroscope that can be manufactured easily, can be reduced in size, and can provide high wavelength resolution of a specific spectral band. Specifically, provided is a spectroscope...
8604412 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...
8599377 Staring imaging grating spectrometer for detection of projectiles  
A detection system comprising detection processing means, spectral discrimination means, and temporal tracking and declaration processing means which cooperate to detect and declare a missile...
8570500 Detector arrangement for a flow cytometry system  
Systems and methods for regarding a cytometry system are disclosed. The system can include a plurality lasers which are spatially separated from each other. Each laser can be assigned to a single...
8570509 Spectrometry apparatus, detection apparatus, and method for manufacturing spectrometry apparatus  
A spectrometry apparatus includes a transmissive diffraction grating that transmits incident light. The transmissive diffraction grating has inclined surfaces made of a first dielectric material....
8570510 Optical unit  
An optical unit has a filter member that disperses transmitted light and a photodetector that has light receiving elements. The filter member has a light transmissive substrate, protrusions...
8564773 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...
8564780 Method and system for using reflectometry below deep ultra-violet (DUV) wavelengths for measuring properties of diffracting or scattering structures on substrate work pieces  
A method and apparatus is disclosed for using below deep ultra-violet (DUV) wavelength reflectometry for measuring properties of diffracting and/or scattering structures on semiconductor...
8561456 Fluid detection with a spectrometer-on-a-chip  
A liquid detection device for detecting liquid at a location on a structure includes a nanoscale spectrometer-on-a chip, and a fluid-absorptive element for absorbing liquid at the location and also...