Request InfoWavelength ReferencesWavelength References offers its HCN-Mini fiber-coupled miniaturized hydrogen cyanide gas absorption cell. Designed for embedded OEM applications in harsh environments, the cells feature hard, sealed, glass gas tubes with a lifetime of >20 yr. The tubes are packaged in a metal housing and are fitted with single-mode fiber pigtails. All optics are coated and wedged for low backreflection and minimum interference. A built-in InGaAs photodiode can transform the output from optical to electrical. The cells, measuring 2.5 × 0.55 × 0.43 in., can be directly mounted on a circuit board for use in...See full productRelated content from Photonics MediaPRODUCTSPhotonics Showcase February 2024 IssueDuplex E/O-O/E ConverterThe K420 is an AC-coupled bi-directional, electrical-optical/optical-electrical data link intended to transport single or bi-directional digital data at speeds up to 2 GHz. 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