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Rocky Mountain Instruments - Laser Optics LB

Single-Shot Spectrometer Offers Portability, High Resolution

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Engineers at the University of Wisconsin-Madison have developed a compact, single-shot, free-space-coupled spectrometer with hyperspectral imaging capabilities that can be integrated with a cellphone. The spectrometer is fabricated on top of and integrated with a CMOS chip. The miniaturized device measures 200 μm on each side and can lie directly on a sensor from a typical digital camera. The team’s spectrometer and hyperspectral imager are based on photonic-crystal (PC) slabs. The device uses arrays of photodetectors with different responsivities, which are created by optical...Read full article

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    Published: April 2019
    Glossary
    spectrometry
    The study and measurement of spectra and their components.
    hyperspectral imaging
    Hyperspectral imaging is an advanced imaging technique that captures and processes information from across the electromagnetic spectrum. Unlike traditional imaging systems that record only a few spectral bands (such as red, green, and blue in visible light), hyperspectral imaging collects data in numerous contiguous bands, covering a wide range of wavelengths. This extended spectral coverage enables detailed analysis and characterization of materials based on their spectral signatures. Key...
    Research & TechnologyeducationAmericasUniversity of Wisconsin-MadisonOpticsImagingSensors & DetectorsspectroscopyspectrometrycamerasCMOShyperspectral imagingBiophotonicsConsumerindustrialTech Pulse

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