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Proceedings Paper

Improved cooling for high-power laser diodes
Author(s): John Vetrovec
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Paper Abstract

We report a novel coolant recirculation loop for high-power laser diodes which allows operating diode bar heat exchangers at their design coolant Reynolds number while consuming as little as 20% of their nominal coolant supply inflow. While operating in a single-phase regime, the new concept uses low coolant flow-rates comparable to proposed evaporative coolers. Unlike evaporative coolers, the new concept is compatible with many standard microchannel or impingement-type heat exchanger designs. The theory, design, and applications are presented.

Paper Details

Date Published: 20 February 2008
PDF: 7 pages
Proc. SPIE 6876, High-Power Diode Laser Technology and Applications VI, 687603 (20 February 2008); doi: 10.1117/12.762512
Show Author Affiliations
John Vetrovec, Aqwest, LLC (United States)

Published in SPIE Proceedings Vol. 6876:
High-Power Diode Laser Technology and Applications VI
Mark S. Zediker, Editor(s)

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