Request InfoBristol Instruments Inc.Bristol Instruments Inc. has introduced a wavelength meter for use with tunable quantum cascade lasers. The new 621B-MIR measures absolute wavelength of CW lasers that operate from 4 to 11 μm. Reliable accuracy of ±1 part per million is achieved because of continuous calibration with a built-in wavelength standard. Now researchers working at mid-IR wavelengths for high-resolution spectroscopy, photochemistry or optical sensing applications can achieve more meaningful experimental results with accurate laser wavelength information.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra January 2024 IssueArc Flash Safety Testing ToolsThe series of thermal imaging and wireless testing tools from Fluke include the PQ400, CV400 ClirVu, TiS75+, 376 FC, and 3000FC for arc flash safety. 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