Request InfoKeithley Instruments Inc.A dual photodiode meter for testing laser diode modules is available from Keithley Instruments Inc. Model 2500 features fast, low-level current measurement, optical power measurement, extended voltage output capability and a space-saving footprint. It has a built-in picoammeter that can resolve currents as low as 10 fA and a ±10/±100-V power source that offers an extended range for a wide variety of photodetectors.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra March 2023 IssueLaser Comb StabilizerThe Comb-Offset Stabilization Module (COSMO) from Octave Photonics provides a compact, convenient, and rugged solution for detecting the carrier-envelope-offset frequency of a laser frequency comb. ...Photonics.com 9/2/2022Fiber Laser LidarThe 1550-nm LS series of automotive-grade fiber laser lidar from LeiShen Intelligent System Co. 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