ASD Inc.The QualitySpec Trek from ASD Inc. is a handheld near-infrared contact spectrometer for materials recognition. The device has a spectral range of 350 to 2500 nm, and an integrated light source eliminates the need for external illumination. It allows users to develop libraries of spectral signatures for remote sensing research to precision agriculture to defense and intelligence imaging.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra February 2024 IssueFiber-Coupled LEDThe Model X3312 from LumeDEL LLC is a fiber-coupled LED that can be used for applications in spectroscopy as a replacement for halogen lamps. The source uses a phosphor-coated UV-LED to emit a broad...Photonics Spectra September 2023 IssueHandheld NIR SpectrometerThe trinamiX PAL Two by trinamiX is a handheld NIR spectrometer designed for versatility, robustness, and convenience. 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Also on this...PHOTONICS BUYERS' GUIDE CATEGORIESNear-Infrared SpectrometersNear-Infrared SpectrophotometersNear-Infrared LasersOptical Coherence Tomography Imaging SystemsAn optical coherence tomography imaging system is a non-invasive medical diagnosis technique that uses lightwaves to form cross-sectional images of a patient's retina.COMPANIESPhotonics Buyers' GuideRadiant Vision Systems, Test & MeasurementRadiant Vision Systems engineers advanced imaging systems to evaluate light, color, manufacturing integrity, and surface quality of illuminated displays, backlit components, light sources,...Photonics Buyers' GuideCarl Zeiss Spectroscopy GmbHCarl Zeiss Spectroscopy develops and produces optical gratings, optical modules, and spectrometer systems of highest quality, superior optical performance, robust design and fast analysis. 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