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Photonics Spectra
Oct 1999
Coherent Inc.Request Info
lHIGHA quasi-continuous-wave laser diode driver available from Coherent Inc., Semiconductor Group, is designed to drive laser diode bars and stacks at high average powers. The air-cooled driver delivers a peak output current up to 250 A with compliance voltage up to 80 V and an average power to 2.4 kW. Pulse length and period, current, duty cycle and compliance voltage can be adjusted with either a front-panel, RS-232 interface or an external transistor-transistor logic gate. A flexible output cable with connectors delivers the current, and the device has built-in overload, laser-diode current and voltage protection. The driver is suitable for laser diode characterization, burn-in and embedded applications.


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