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Thermal management of solid state lasers using optical quality silicon carbide
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Paper Abstract

We have demonstrated for the first time, to the best of our knowledge, that Silicon Carbide (SiC) may be used as an efficient heat sinking material for face cooling of gain media in solid-state lasers. Comparative thermal modeling and temperature distribution measurements of diode-pumped 4 at.% Nd:YAG ceramic laser medium face cooled by undoped YAG (as a baseline), Diamond and SiC lead to the conclusion that SiC is an effective replacement for much more expensive diamond as an intracavity face cooling material. Laser performance of a SiC face-cooled 4 at.% Nd:YAG ceramic press-fit stack was demonstrated with a 24% slope efficiency with no AR coatings between the SiC and YAG.

Paper Details

Date Published: 12 May 2006
PDF: 5 pages
Proc. SPIE 6216, Laser Source and System Technology for Defense and Security II, 62160G (12 May 2006); doi: 10.1117/12.667975
Show Author Affiliations
G. Alex Newburgh, U.S. Army Research Lab. (United States)
M. Dubinskii, U.S. Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 6216:
Laser Source and System Technology for Defense and Security II
Gary L. Wood; Mark A. Dubinskii, Editor(s)

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