Cryolaser: innovative cryogenic diode laser bars optimized for emerging ultra-high power laser applications

P. Crump, C. Frevert, H. Wenzel, F. Bugge, S. Knigge, G. Erbert and G. Tränkle

Published in:

Conference on Lasers and Electro Optics (CLEO), San Jose, USA, Jun. 9-14, p. JW1J.2 (2013).

© Copyright 2013 The Optical Society. 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 Optical Society.


"Cryolaser" diode laser designs exploit the improvement in semiconductor material properties at sub-zero temperatures to increase efficiency and power. Optimized single 9xx-nm laser bars demonstrate record peak pulse energy of 2 J (1.7 kW, 1.2 ms, -50°C).

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

OCIS codes:

(140.5960) Semiconductor lasers; (140.2010) Diode laser arrays