Request InfoKeithley Instruments Inc.Keithley Instruments Inc.'s model 2520INT integrating sphere photodetector is designed for use with the model 2520 pulsed laser diode test system for light-current-voltage production testing of 980- and 1480-nm EDFA pump lasers, Raman amplifiers, telecommunications laser diodes and high-power vertical-cavity surface-emitting lasers. The company says these devices provide accurate measurements of optical power at the wafer, bar or chip level before integration into complete temperature-controlled laser diode modules. The 2520INT has a 1-in. sphere with a germanium detector and uses an SMA...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra April 2023 IssueLaser Phase Lock SystemThe OE5000 Hi-Q Laser Phase Lock System from OEwaves Inc. allows the offset locking of two individual lasers separated in frequency by as much as 50 GHz. 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