Abstract: Provided are a filter array, a spectral detector including the filter array, and a spectrometer employing the spectral detector. The filter array may have a multi-array structure including a plurality of filter arrays. The filter array may include a first filter array having a first structure in which a plurality of first filters with different transmittance spectrums are arranged, and a second filter array having a second structure in which a plurality of second filters with different transmittance spectrums are arranged, the second filter array being arranged to at least partially overlap the first filter array at a first position relative to the first filter array so that the multi-arrangement type filter array has a first set of absorbance characteristics.

Abstract: A spectroscopic module includes M beam splitters that are arranged along an X direction, where M is a natural number of 2 or more; M bandpass filters disposed on one side in a Z direction with respect to the M beam splitters, each of the M bandpass filters facing each of the M beam splitters; a light detector disposed on the one side in the Z direction with respect to the M bandpass filters and includes M light receiving regions, each of the M light receiving regions facing each of the M bandpass filters; a first support body supporting the M beam splitters; and a second support body supporting the M bandpass filters. Each of N beam splitters among the M beam splitters has a plate shape and has a thickness of 1 mm or less, where N is a natural number of 2 to M.

Abstract: A three-plate camera includes an IR prism that causes an IR image sensor to receive incident IR light of light from an observation part, a visible prism that causes a visible image sensor to receive incident visible light of light from the observation part, a specific prism that causes a specific image sensor to receive incident light of a specific wavelength band of light from the observation part, and a video signal processing unit that generates an IR video signal, a visible video signal, and a specific video signal of the observation part based on respective imaging outputs of the IR image sensor, the visible image sensor, and the specific image sensor, combines the IR video signal, the visible video signal, and the specific video signal, and outputs a combined video signal to a monitor.

Abstract: The invention relates to a method for documenting at least one work step with a hand-held tool, wherein the hand-held tool has at least one camera mechanically connected to the tool, in which the steps of activating the camera and capturing images of the work step which is performed with the hand-held tool, and the generation of image data pertaining to the work step are provided.

Abstract: A transmission type color calibration chart includes a transparent substrate and a color bar group formed on the transparent substrate, wherein the color bar group is constituted by color bars of a plurality of colors containing at least a first color and a second color arranged in a pattern in no particular order, coordinate points of the first color are within a region encompassed by the four points (0.351, 0.649), (0.547, 0.453), (0.380, 0.506) and (0.433, 0.464) on an xy chromaticity diagram, coordinate points of the second color are within a region encompassed by the four points (0.125, 0.489), (0.112, 0.229), (0.270, 0.407) and (0.224, 0.242) on an xy chromaticity diagram, and the transmission spectrum of the first color's color bar and the transmission spectrum of the second color's color bar have peak tops that are respectively separated.

Abstract: A method of determining a phase shift caused by reflection at, or transmission through, a dielectric coating as a function of wavenumber includes obtaining a nominal phase shift for the dielectric coating as a function of wavenumber, determining a first wavenumber and a second wavenumber for performing measurements of phase shift at these wavenumbers based on the nominal phase shift, determining a wavenumber shift based on a first measurement of phase shift at the first wavenumber, a second measurement of phase shift at the second wavenumber, and the nominal phase shift as a function of wavenumber, and determining the phase shift as a function of wavenumber based on the wavenumber shift and the nominal phase. Further described is a method of determining a layer design for a dielectric coating, wherein the dielectric coating comprises a plurality of stacked layers.

Abstract: A spectroscopic module includes a plurality of beam splitters; a plurality of bandpass filters disposed on one side in a Z direction with respect to the plurality of beam splitters; a light detector disposed on the one side in the Z direction with respect to the plurality of bandpass filters and includes a plurality of light receiving regions; a first support body supporting the plurality of beam splitters; a second support body supporting the plurality of bandpass filters; and a casing including a third wall portion integrally formed with the second support body. The first support body is attached to the third wall portion such that an outer surface of the first support body is in contact with an inner surface of the third wall portion in a state where the position is defined by a plurality of positioning pins and a plurality of positioning holes.

Abstract: Provided is a measuring apparatus, comprising a measuring unit that irradiates a film with light and measures the light transmitted through the film or the light reflected by the film, a moving mechanism that allows the measuring unit to move in a first direction intersecting the direction in which the film is conveyed, the measuring unit includes a light projecting unit that irradiates the film with light, an integrating sphere that collects light from the film, and a light receiving portion that receives the light collected by the integrating sphere.

Abstract: Biosensing platform for simultaneous, multiplexed, high throughput and ultra-sensitive optical detection of biomarkers labelled with plasmonic nanoparticles, the platform being provided with a biosensor, a broadband and continuous spectrum illumination source, an optical detector for simultaneously capturing spatially resolved and spectrally resolved the scattering signal of each individual nanoparticle, an autofocus system and an optical system adapted to collect the scattered signal of the biosensor's surface onto the optical detector, the platform being provided with translation means for the optical system and/or the biosensor, such that the optical system and the biosensor can be displaced relative to each other in the three dimensions, and wherein the processing means are adapted to: i) simultaneously capture spatially and spectrally resolved scattering signals from each nanoparticle individually, and ii) to analyze these signals simultaneously with the capture process.

Abstract: The invention relates to an image sensor comprising: •an optical system (2a) for receiving an optical signal; •a Bayer matrix (4) located on the image focal plane of the optical system (2a), the Bayer matrix (1) comprising: a reference optical filter (B1) configured to eliminate or attenuate, in the received optical signal, a first band of wavelengths and to allow through, in the received optical signal, a second band length of wavelengths, and also eight optical filters adjacent to the reference optical filter (B1); •a phase mask (2c, 22, 28) arranged on a pupil (2b) of the optical system (2a) and configured to selectively project at least 98% of the energy of the optical signal carried in the first band of wavelengths and 98% of the energy of the optical signal carried in the second band of wavelengths on the reference optical filter (B1) and on at least one adjacent optical filter, which is configured to allow through, in the received optical signal, the first band of wavelengths.

Abstract: The present disclosure generally relates to hyperspectral spectroscopy, and in particular, to systems, methods and devices enabling a single-sensor hyperspectral imaging device. Hyperspectral (also known as “multispectral”) spectroscopy is an imaging technique that integrates multiples images of an object resolved at different narrow spectral bands (i.e., narrow ranges of wavelengths) into a single data structure, referred to as a three-dimensional hyperspectral data cube. Data provided by hyperspectral spectroscopy allow for the identification of individual components of a complex composition through the recognition of spectral signatures of individual components within the three-dimensional hyperspectral data cube.

Abstract: A position encoder for monitoring relative movement between a first object and a second object includes a grating that is coupled to the first object, and an image sensor assembly that is coupled to the second object. The image sensor includes a first image sensor; a second image sensor that is spaced apart from the first image sensor; an optical element that includes a first optical surface and a second optical surface that is spaced apart from the first optical surface; and an illumination system.

Abstract: A TDI scanner including a dynamically programmable focal plane array including a two-dimensional array of detectors arranged in a plurality of columns and a plurality of rows, the array being divided into a plurality of banks separated from one another by gap regions, each bank including a plurality of sub-banks, and each sub-bank including at least one row of detectors, a ROIC coupled to the focal plane array and configured to combine in a TDI process outputs from detectors in each column of detectors in each sub-bank, and a controller configured to program the focal plane array to selectively and dynamically set characteristics of the focal plane array, the characteristics including a size and a location within the two-dimensional array of each of the plurality of sub-banks and the gap regions, the size corresponding to a number of rows of detectors included in the respective sub-bank or gap region.

Abstract: Disclosed is a method to fabricate a multifunctional collimator structure In one embodiment, an optical collimator, includes: a dielectric layer; a substrate; and a plurality of via holes, wherein the dielectric layer is formed over the substrate, wherein the plurality of via holes are configured as an array along a lateral direction of a first surface of the dielectric layer, wherein each of the plurality of via holes extends through the dielectric layer and the substrate from the first surface of the dielectric layer to a second surface of the substrate in a vertical direction, wherein the substrate has a bulk impurity doping concentration equal to or greater than 1×1019 per cubic centimeter (cm?3) and a first thickness, and wherein the bulk impurity doping concentration and the first thickness of the substrate are configured so as to allow the optical collimator to filter light in a range of wavelengths.

Abstract: Described herein are systems and embodiments for multispectral image demosaicking using deep panchromatic image guided residual interpolation. Embodiments of a ResNet-based deep learning model are disclosed to reconstruct the full-resolution panchromatic image from multispectral filter array (MSFA) mosaic image. In one or more embodiments, the reconstructed deep panchromatic image (DPI) is deployed as the guide to recover the full-resolution multispectral image using a two-pass guided residual interpolation methodology. Experiment results demonstrate that the disclosed method embodiments outperform some state-of-the-art conventional and deep learning demosaicking methods both qualitatively and quantitatively.

Abstract: An optical device may comprise an array of sensor elements and an array of optical channels disposed on the array of sensor elements. At least one optical channel of the array of optical channels may be configured to pass bandpass filtered light to at least one sensor element of the array of sensor elements. At least one other optical channel of the array of optical channels may be configured to pass non-bandpass filtered light to at least one other sensor element of the array of sensor elements.

Abstract: Disclosed is a sample measurement device including a light applicator configured to apply a light to a sample so as to generate light from a particle in the sample; an optical block in which a plurality of prisms are fixed, each of the plurality of prisms including a light entry surface which allows entry thereinto of the light generated from the particle in the sample, a reflection surface configured to selectively reflect a part of the light having entered the light entry surface, and a light outputting surface configured to output the light reflected by the reflection surface; and a light receiver configured to receive the light outputted from the light outputting surface of each of the plurality of prisms.

Abstract: The present disclosure relates to a spectral sensor for detection of individual light-emitting particles. The sensor is comprising an array of photo-sensitive detectors for detecting light emitted by said individual light-emitting particles and a filter array comprising a plurality of different band-stop filters. The filter array is configured to transmit wavelengths in a detectable wavelength region to the array of photo-sensitive detectors, and wherein each band-stop filter is associated with one or more particular photo-sensitive detectors, and the plurality of different band-stop filters are configured to reflect different wavelength intervals within said detectable wavelength region so that each photo-sensitive detector of the array is configured to detect the wavelengths of the detectable wavelength region other than the reflected wavelength interval of the band-stop filter being associated with the photo-sensitive detector.

Abstract: Provided herein are optical systems and methods for detecting and characterizing particles. Systems and method are provided which increase the sensitivity of an optical particle counter and allow for detection of smaller particles while analyzing a larger fluid volume. The described systems and methods allow for sensitive and accurate detection and size characterization of nanoscale particles (e.g., less than 50 nm, optionally less than 20 nm, optionally less than 10 nm) for large volumes of analyzed fluids.

Abstract: A gas sensing device includes a photoacoustic spectrometry device, including a radiator for emitting light, a gas detection chamber for exposing a mixture of gases to the light, a microphone for detecting sound in the detection chamber, which is caused by exposing the mixture of gases to the light, and wherein the photoacoustic spectrometry device generates signal samples corresponding to a concentration of the gas in the mixture of gases based on the sound detected by the microphone, and a computing device for receiving the signal samples. The computing device includes a feature extraction block including a trained model algorithm block.

Abstract: A filter for a camera lens including an electronic display configured to couple to an object side of the camera lens and configured to filter an image on an object side of the electronic display for the camera lens. A controller is configured to electrically control the filtering of the electronic display. An input is for receiving a control for controlling the controller.

Abstract: The present disclosure generally relates to hyperspectral spectroscopy, and in particular, to systems, methods and devices enabling a single-sensor hyperspectral imaging device. Hyperspectral (also known as “multispectral”) spectroscopy is an imaging technique that integrates multiples images of an object resolved at different narrow spectral bands (i.e., narrow ranges of wavelengths) into a single data structure, referred to as a three-dimensional hyperspectral data cube. Data provided by hyperspectral spectroscopy allow for the identification of individual components of a complex composition through the recognition of spectral signatures of individual components within the three-dimensional hyperspectral data cube.

Abstract: An optical filter including filter regions arrayed two-dimensionally, in which the filter regions include a first region and a second region; a wavelength distribution of an optical transmittance of the first region has a first local maximum in a first wavelength band and a second local maximum in a second wavelength band that differs from the first wavelength band, and a wavelength distribution of an optical transmittance of the second region has a third local maximum in a third wavelength band that differs from each of the first wavelength band and the second wavelength band and a fourth local maximum in a fourth wavelength band that differs from the third wavelength band.

Abstract: Systems and methods for a six-primary color system for display. A six-primary color system increases the number of primary colors available in a color system and color system equipment. Increasing the number of primary colors reduces metameric errors from viewer to viewer. The six-primary color system includes Red, Green, Blue, Cyan, Yellow, and Magenta primaries. The systems of the present invention maintain compatibility with existing color systems and equipment and provide systems for backwards compatibility with older color systems.

Abstract: An optical filter includes a first reflector including a plurality of first sub-wavelength structures that are two-dimensionally arranged and spaced apart by a first period based on a first rule, and a second reflector provided separate from the first reflector, the second reflector including a plurality of second sub-wavelength structures that are two-dimensionally arranged and spaced apart by a second period based on a second rule.

Abstract: Detection and analysis of a tangible component in a sample are implemented at lower cost. Provided is an analysis apparatus including a flow cell which includes a flow path for a sample, a branch section configured to cause light having passed through the flow path to branch at least to a first optical path and a second optical path, a first imaging section and a second imaging section configured to capture images of the sample in the flow path by using the light in the first optical path and the light in the second optical path, and a controller configured to process the captured images. The first imaging section and the second imaging section capture images that have the same angle of view but have different characteristics.

Abstract: A TDI scanner including a dynamically programmable focal plane array including a two-dimensional array of detectors arranged in a plurality of columns and a plurality of rows, the array being divided into a plurality of banks separated from one another by gap regions, each bank including a plurality of sub-banks, and each sub-bank including at least one row of detectors, a ROIC coupled to the focal plane array and configured to combine in a TDI process outputs from detectors in each column of detectors in each sub-bank, and a controller configured to program the focal plane array to selectively and dynamically set characteristics of the focal plane array, the characteristics including a size and a location within the two-dimensional array of each of the plurality of sub-banks and the gap regions, the size corresponding to a number of rows of detectors included in the respective sub-bank or gap region.

Abstract: Various embodiments provide a hyperspectral imaging apparatus. The hyperspectral imaging apparatus includes a micro-lens array having a plurality of micro-lenses; and a filter array having a plurality of tunable filters. Each of the plurality of tunable filters is optically coupled to a respective micro-lens of the plurality of micro-lenses. Each micro-lens and the corresponding coupled tunable filter are configured to generate a spectrally filtered image of a scene, such that the micro-lens array and the filter array generate a plurality of spectrally filtered images of the scene for receiving by a plurality of areas of an image sensor. Each of the plurality of tunable filters is tunable to transmit a selected wavelength within a respective spectral band, wherein the spectral bands of the plurality of tunable filters are different from each other.

Abstract: A photodiode sensor device and systems. The photodiode sensor device includes a housing portion. The housing portion includes a cylindrical enclosure. A window is disposed at a first end of the housing portion. A filter wheel is within the housing portion. A motor positioned within the housing is adjacent the filter wheel opposite the window. The motor is attached to the filter wheel. A photodiode sensor within the housing portion intermediate the first photodiode sensor and the window. The first photodiode sensor receives filtered light incident on the window and transmit a signal associated with sensed parameters of the filtered light. Also, a hemispherical dome for diffusing the light to a collimating lens has a grating, a focusing lens, and a linear detector array. An exit port transmits light to the collimating lens. The sensor array is opposite the grating for sensing the diffused light.

Abstract: A multi-spectral imager useful for weather mapping, comprising an array of filters on at least one focal plane array (FPA) including pixels. Each of the filters are associated with a different set of the pixels, and each of the filters transmit a portion of electromagnetic radiation, comprising a different band of wavelengths, to the set of the pixels associated with the filter. A circuit connected to the pixels reads out a signal outputted from each of a plurality of different pixels in the set and outputs the signals to an adder. The adder sums the signals from each of the plurality of different pixels in the set to form a sum used for generating a weather map.

Abstract: Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor.

Abstract: A high dynamic range sensing device is disclosed. The device includes an array of Bayer pattern units. Each of the Bayer pattern units comprises a plurality of pixels and each of the plurality of pixels comprises a plurality of photodiodes. At least one of the plurality of photodiodes in each pixel is configured to detect near infrared (NIR) light and at least one of the plurality of photodiodes in each of the plurality of pixels is configured to detect visible light.

Abstract: In an image acquisition device, an optical path difference generating member can form an optical path length difference of a second optical image without splitting light in a second optical path. This can suppress the quantity of light required for the second optical path to obtain information of the focal position, whereby a quantity of light can be secured for a first imaging device to capture an image. The image acquisition device synchronizes the movement of a predetermined part of a sample within a field of an objective lens with rolling readout such that each pixel column of a second imaging device is exposed to an optical image of the predetermined part in the sample.

Abstract: A number of variations may include a product comprising: an electrochemical device comprising an anode and a cathode, and at least one sensor comprising a plurality of strain sensing components and at least one temperature sensing component wherein each of the anode and the cathode comprises at least one strain sensing component comprising an optical fiber comprising at least one grating, wherein the at least one sensor is constructed and arranged to provide measurements that derive both state of charge and temperature of the anode and the cathode simultaneously.

Abstract: A multispectral sensing device is disclosed. The sensing device may comprise an array of pixel units. Each of the pixel units may comprise four pixels in a two by two configuration. Each of the pixels may comprise a plurality of sub-pixels. Each of the pixel units may include at least one pixel that includes at least two sub-pixels configured to detect light of different wavelengths.

Abstract: A spectrometer system including a spectrometer device, a mobile apparatus and a cloud server is provided. The spectrometer device scans a target object according to one of a plurality of sets of spectral scan setting parameters to generate spectral data. The mobile apparatus sets the spectrometer device to select one set from the plurality of sets spectral scan setting parameters for scanning the target object. The mobile apparatus receives the spectral data from the spectrometer device and outputs the spectral data. The cloud server stores detection models and the spectral data received from the mobile apparatus, and analyzes the spectral data according to one of the detection models to output an analysis result to the mobile apparatus. The spectrometer system can reduce network transmission traffic and prevent object analysis and model building from being affected by unregulated spectral data so correctness of spectral scan can be controlled.

Abstract: A spectrum-inspection device includes a substrate including a first photodiode and a second photodiode. The spectrum-inspection device also includes an interference-type filter disposed over the first and second photodiodes. The interference-type filter allows a first light beam with wavelength of a multi-band to pass through. The multi-band includes a first waveband, a second waveband, a third waveband, and a fourth waveband. The spectrum-inspection device also includes a first absorption-type filter disposed over the first and second photodiodes. The first absorption-type filter allows a second light beam with wavelength of a first region to pass through. The spectrum-inspection device further includes a second absorption-type filter disposed over the second photodiode. The second absorption-type filter is disposed over the first absorption-type filter and allows a third light beam with wavelength of a second region to pass through, wherein the second region overlaps the first region.

Abstract: A laser designator pulse detector includes an InGaAs photodetector configured to convert laser signals into electrical signals. A Read Out Integrated Circuit (ROIC) is operatively connected to the InGaAs photodetector to condition electrical signals from the InGaAs photodetector. The ROIC can be operatively connected to a peripheral device including one or more modules configured to process signals from the ROIC and provide pulse detection, decoding, and tracking. In another aspect, a laser designator pulse detector includes a two-dimensional array of photodetectors configured to convert laser signals into electrical signals. A ROTC as described above is operatively connected to the two-dimensional array of photodetectors.

Abstract: A testing system configured to determine an analyte concentration has a user interface that includes a number of visual indicators on its exterior housing. The visual indicators convey different types of information to a user of the testing system when illuminated. Additionally, the indicators are independent of one another in that they can each be illuminated in different colors from one other and turn on and/or off independently of one another. Further, the visual indicators are illuminated using a common lighting element (e.g., a single light emitting diode (“LED”)) in combination with one or more waveguides and one or more filters located inside the testing system.

Abstract: A projector includes a diode light source for a projector. The light source comprises at least first, second, and third diode matrices respectively delivering at least first, second, and third light bundles at separate wavelengths and of determined dimensions. A first dichroic plate forms a first combined light bundle CLC1 from the first and second light bundles, a second dichroic plate forming a second combined light bundle CLC2 from the first combined light bundle and the third light bundle, and an off-axis parabolic mirror for receiving the second combined light bundle CLC2 and focusing it on a determined focal point forming an inlet point for a single optical fiber.

Abstract: Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor.

Abstract: A hand-held measurement device for appearance analyzes includes a measurement array which comprises a number of illumination means for applying illumination light to a measurement field in at least three illumination directions and a number of pick-up means for capturing the measurement light in at least one observation direction. The illumination directions and the observation directions lie in a common system plane. At least one pick-up means is embodied to spectrally gauge the measurement light in a locally integral way, and at least one imaging pick-up means is embodied to gauge the measurement light in terms of color in a locally resolved way. The spectral pick-up means and the locally resolving pick-up means are arranged such that they receive the measurement light reflected by the measurement field under the same observation conditions and in particular from the same observation direction.

Abstract: A method and apparatus for determining a presence, color and/or brightness of a plurality of components in a printed circuit board, where the components are biased either with constant current or with a current pulse.

Abstract: An apparatus for, and method of, image reconstruction. The method includes first breaking a holographic image into a plurality of interlaced sample sets corresponding to color separation images; and independently sampling, filtering, and reconstructing all sets. The resulting demodulated images contain no fringes. Notably, range-clipped tonal rendering curves are used to choose pixel regions of the demodulated images that will replace saturated regions. The image is reconstructed by integrating all un-saturated images into one.

Abstract: A system for transmitting data using light includes a plurality of light sources configured to transmit light at non-overlapping wavelengths, processing electronics, and a diffuser configured to diffuse the transmission of light. The processing electronics assign the plurality of light sources to a plurality of channels, accept a data stream, allocate the data stream to the channels, and modulate a transmission of the light using the allocated data stream, where the allocated data used to modulate a first light source of the plurality of light sources is separate from the allocated data used to modulate a second light source of the plurality of light sources.

Abstract: The invention provides spectroscopic systems and spectrometers employing an optical interference filter module having a plurality of bandpass regions. In certain embodiments, the systems include a mechanism for wavelength tuning/scanning and wavelength band decoding based on an angular motion of one or more filters. A spectral processing algorithm separates the multiplexed wavelength-scanned bandpass regions and quantifies the concentrations of the analyzed chemical and/or biological species. The spectroscopic system allows for compact, multi-compound analysis, employing a single-element detector for maximum performance-to-cost ratio. The spectroscopic system also allows for high-sensitivity measurement and robust interference compensation.

Abstract: A spectrometer comprises a plurality of isolated optical channels comprising a plurality of isolated optical paths. The isolated optical paths decrease cross-talk among the optical paths and allow the spectrometer to have a decreased length with increased resolution. In many embodiments, the isolated optical paths comprise isolated parallel optical paths that allow the length of the device to be decreased substantially. In many embodiments, each isolated optical path extends from a filter of a filter array, through a lens of a lens array, through a channel of a support array, to a region of a sensor array. Each region of the sensor array comprises a plurality of sensor elements in which a location of the sensor element corresponds to the wavelength of light received based on an angle of light received at the location, the focal length of the lens and the central wavelength of the filter.

Abstract: A system and method for obtaining multispectral images of fresh meat at predetermined wavelength bands at a first time, subjecting the images to analysis in an image analysis system comprising a computer programmed to perform such analysis, and outputting a forecast of meat tenderness at a later point in time. Predetermined key wavelength bands are precorrelated with a high degree of prediction of meat tenderness and/or other properties of meat and are used in the multispectral system and method. A system and method for determining the key wavelengths is also disclosed. The multispectral imaging system and method is suitable for use in an industrial setting, such as a meat processing plant. The system and method is useful in a method for determining quality and yield grades at or near the time of imaging in lieu of visual inspection with the unaided human eye, increasing efficiency and objectivity.

Abstract: A spectrometer comprises a plurality of isolated optical channels comprising a plurality of isolated optical paths. The isolated optical paths decrease cross-talk among the optical paths and allow the spectrometer to have a decreased length with increased resolution. In many embodiments, the isolated optical paths comprise isolated parallel optical paths that allow the length of the device to be decreased substantially. In many embodiments, each isolated optical path extends from a filter of a filter array, through a lens of a lens array, through a channel of a support array, to a region of a sensor array. Each region of the sensor array comprises a plurality of sensor elements in which a location of the sensor element corresponds to the wavelength of light received based on an angle of light received at the location, the focal length of the lens and the central wavelength of the filter.

Abstract: A spectrometer comprises a plurality of isolated optical channels comprising a plurality of isolated optical paths. The isolated optical paths decrease cross-talk among the optical paths and allow the spectrometer to have a decreased length with increased resolution. In many embodiments, the isolated optical paths comprise isolated parallel optical paths that allow the length of the device to be decreased substantially. In many embodiments, each isolated optical path extends from a filter of a filter array, through a lens of a lens array, through a channel of a support array, to a region of a sensor array. Each region of the sensor array comprises a plurality of sensor elements in which a location of the sensor element corresponds to the wavelength of light received based on an angle of light received at the location, the focal length of the lens and the central wavelength of the filter.