DocumentCode
2894781
Title
Passively cooled 940 nm laser bars with 73 % wall-plug efficiency and high reliability at 98 W quasi-cw output power
Author
Knigge, A. ; Erbert, G. ; Jönsson, J. ; Staske, R. ; Sumpf, B. ; Weyers, M. ; Tränkle, G.
Author_Institution
Ferdinand-Braun-Inst. fur Hochsfrequenstech., Berlin, Germany
fYear
2005
fDate
12-17 June 2005
Firstpage
108
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.
Keywords
cooling; heat sinks; laser beams; semiconductor device packaging; semiconductor device reliability; semiconductor lasers; thermal management (packaging); 25 C; 70 W; 80 W; 940 nm; 98 W; filling factor; heat sinks; laser reliability; passive cooling; quasicw pulsed laser operation; semiconductor laser bars; wall-plug efficiency; Bars; Degradation; Filling; Heat sinks; Laser modes; Power generation; Power lasers; Testing; Thermal resistance; Waveguide lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Europe, 2005. CLEO/Europe. 2005 Conference on
Print_ISBN
0-7803-8974-3
Type
conf
DOI
10.1109/CLEOE.2005.1567896
Filename
1567896
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