Request InfoKeithley Instruments Inc.The model 2440 SourceMeter from Keithley Instruments Inc. supplies a continuous 50-W, 5-A output for testing high-power pump lasers used in optical amplifiers. It also is suitable for production testing of diodes, resistance networks, integrated circuits and other electronic components. The device can measure voltage and current with resolutions of 1 µV and 100 pA, respectively. The half-rack-size instrument can measure four- and six-wire remote sense resistance ranging from 1 µ(omega) to 200 M(omega). It offers a built-in, programmable comparator that performs pass/fail testing in 500 µs.See full productRelated content from Photonics MediaPRODUCTSPhotonics Showcase July 2023 IssueFiber End-Caps for Longer LifeCoastal Connections has produced thousands of Fiber End-Caps over the past 15 years for laser pigtails and free-space laser communications. 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