Passively cooled 940nm laser bar with 73% wall-plug efficiency and high reliability at 98 W quasi-cw output power
A. Knigge, G. Erbert, J. Jönsson*, R. Staske, B. Sumpf, M. Weyers, G. Tränkle
Published in:
Conf. on Lasers and Electro-Optics/Europe (CLEO/Europe 2005), Munich, Germany, Jun. 12-17, ISBN 0-7803-8974-3, pp. 108 (2005).
Abstract:
Laser bars with low divergency and filling factor were operated on passively cooled heat sinks at 25°C. The maximum wall-plug efficiency was 73 % at 70 W. Excellent reliability was demonstrated at 80 W in cw-operation and 98 W in quasi-cw-operation.
Ferdinand-Braun-Institut fir Hochstfrequenztechnik, Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany
* Three-Five Epitaxial Services AG, Max-Planck-Str. 5, 12489 Berlin, Germany
Full version in pdf-format.