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Proceedings Paper

CW to QCW power scaling of high-power laser bars
Author(s): J. Müller; R. Todt; M. Krejci; Y. Manz-Gilbert; B. Valk; R. Brunner; R. Bättig; N. Lichtenstein
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Paper Abstract

We report on laser diode bars with wavelengths ranging from 793 to 1080 nm and optimized for high power and high temperature operation. For 808 nm bars output power values of 300 W at 300 A drive current and 200 μs pulse length have been recorded at a cooler temperature of 75°C. Extending our wavelength range to 1080nm we report on bars with >65% power conversion efficiency in CW operation and more than 500 W output power for a wide range of qCW modes. Finally, the properties of a 6-bar stack with 3 kW output power at 460 A drive current and 200 μs pulse width will be discussed.

Paper Details

Date Published: 17 February 2010
PDF: 9 pages
Proc. SPIE 7583, High-Power Diode Laser Technology and Applications VIII, 758318 (17 February 2010); doi: 10.1117/12.842077
Show Author Affiliations
J. Müller, Oclaro, Inc. (Switzerland)
R. Todt, Oclaro, Inc. (Switzerland)
M. Krejci, Oclaro, Inc. (Switzerland)
Y. Manz-Gilbert, Oclaro, Inc. (Switzerland)
B. Valk, Oclaro, Inc. (Switzerland)
R. Brunner, Oclaro, Inc. (Switzerland)
R. Bättig, Oclaro, Inc. (Switzerland)
N. Lichtenstein, Oclaro, Inc. (Switzerland)


Published in SPIE Proceedings Vol. 7583:
High-Power Diode Laser Technology and Applications VIII
Mark S. Zediker, Editor(s)

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