High Duty Cycle, High Repetition Rate High Brightness Diode Laser Pulsed-Pump-Sources

M. Hübner, B. Eppich, A. Maaßdorf, D. Martin, A. Ginolas, P.S. Basler, M. Niemeyer and P. Crump

Published in:

Advanced Solid State Lasers Conference (ASSL 2019), Vienna, Austria, Sep. 29 - Oct. 3, ISBN: 978-1-943580-68-2, paper JW2A.29 (2019).

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Abstract:

A diode laser pump source is presented using passive side-cooling to enable >10% duty cycle (optimal cooling, long time constants). 6 kW output (1.4 MW/cm2/sr ex-fiber) is demonstrated at 940 nm (0.1...100 ms pulses), with 780...980 nm also available.

Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, 12489 Berlin, Germany

OCIS codes:

140.2010 Diode laser arrays, 140.5560 Pumping.