Request InfoSpectral Evolution Inc.LAWRENCE, Mass., Nov. 20, 2017 — The SR-6500 spectroradiometer from Spectral Evolution is designed for applications that require ultrahigh spectral resolution. The device covers the UV/VIS/NIR range from 350 to 2500 nm. It features ultrahigh resolution and stable performance with three high-sensitivity, thermoelectrically cooled photodiode arrays. The SR-6500 is also calibrated to NIST-traceable radiometric calibration standards. With two rechargeable lithium-ion batteries, users can take the spectroradiometer to the field for in situ measurements. Applications include mineral identification and analysis, soil...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra September 2022 IssueLight-Dependent Resistor PhotocellsCadmium Sulfide (CdS) Light-Dependent Resistors (LDRs) from Advanced Photonix Inc. are designed for visible light measurement from 400 to 700 nm. 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