Thermal management of solid state lasers using optical quality silicon carbide

G. Alex Newburgh; M. Dubinskii

doi:10.1117/12.667975

12 May 2006 Thermal management of solid state lasers using optical quality silicon carbide

G. Alex Newburgh, M. Dubinskii

Author Affiliations +

Proceedings Volume 6216, Laser Source and System Technology for Defense and Security II; 62160G (2006) https://doi.org/10.1117/12.667975
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

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.

Citation Download Citation

G. Alex Newburgh and M. Dubinskii "Thermal management of solid state lasers using optical quality silicon carbide", Proc. SPIE 6216, Laser Source and System Technology for Defense and Security II, 62160G (12 May 2006); https://doi.org/10.1117/12.667975

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