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Proceedings Paper

Optimization of microchannel heat sinks for high-power diode lasers in copper technology
Author(s): Thomas Ebert; Jens Biesenbach; Hans-Georg Treusch; Peter Loosen; Reinhart Poprawe
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Paper Abstract

Basis of the developments discussed in the presentation are 10 mm GaAs diode laser bars mounted on copper micro channel heat sinks. Optimizing the micro channel heat sinks leads to decreased thermal resistance and decreased pressure drop. In the presentation the steps to ten times reduced pressure drop and optical power output of the diode lasers of over 100 Watts will be described.

Paper Details

Date Published: 18 August 1997
PDF: 5 pages
Proc. SPIE 3097, Lasers in Material Processing, (18 August 1997); doi: 10.1117/12.281119
Show Author Affiliations
Thomas Ebert, Fraunhofer-Institut fuer Lasertechnik (Germany)
Jens Biesenbach, Fraunhofer-Institut fuer Lasertechnik (Germany)
Hans-Georg Treusch, Fraunhofer Institut fuer Lasertechnik (Germany)
Peter Loosen, Fraunhofer-Institut fuer Lasertechnik (Germany)
Reinhart Poprawe, Fraunhofer-Institut fuer Lasertechnik (Germany)

Published in SPIE Proceedings Vol. 3097:
Lasers in Material Processing
Leo H. J. F. Beckmann, Editor(s)

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