Low-temperature Optimized 940 nm Diode Laser Bars with 1.98 kW Peak Power at 203 K

C. Frevert, P. Crump, F. Bugge, S. Knigge, A. Ginolas, and G. Erbert

Published in:

Conference on Lasers and Electro Optics (CLEO) - Science and Innovations, San Jose, USA, May 10-15, p. SM3F.8 (2015).

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Passively cooled 1-cm wide QCW diode laser bars with low-temperature optimized vertical designs reach output powers of 1.98 kW at 203 K, with conversion efficiency of 64% at 1 kW and 57% at 1.9 kW.

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

OCIS codes:

(140.2020) Diode lasers; (140.7300) Visible lasers; (140.4480) Optical amplifiers; (090.0090) Holography; (120.3180) Interferometry; (300.3700) Linewidth.