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Kilowatt-class, High Duty Cycle, Passively Side-cooled 780 nm Diode Laser Stacks as Pumps for Pulsed MIR Lasers

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

Published in:

OSA Laser Congress 2020 (ASSL, LAC), Virtual Event, Oct. 13-16, OSA Technical Digest (Optical Society of America, 2020), ISBN: 978-1-943580-84-2, p. JTh2A.26 (2020).


A 780nm diode laser pump source is presented that uses passive side-cooling to enable Kilowatt-class output at >10% duty cycle (10ms, 10Hz). Beam quality is M2<360 (BPP<90mm-mrad) and initial reliability test extrapolates over GShot-class lifetime.

Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (FBH), Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany

OCIS codes:

140.2010 Diode laser arrays, 140.5560 Pumping

Copyright © OSA 2020. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the OSA.

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