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Proceedings Paper

High power Raman diamond laser
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Paper Abstract

We developed a cryogenically cooled Yb:YAG laser as the pump beam for a pulsed Raman laser based on CVD grown diamond crystals. The Q-switched cryogenic Yb-doped YAG 1030 nm pump laser delivered 340 W at 40 kHz with diffraction-limited beam quality, with an optical efficiency of 80%. The record average power of 24.5 W was generated from the Raman laser at 1193 nm. Modeling of the performance confirmed the corresponding Raman gain coefficient, 13.5 cm/GW. The laser was operated at room temperature and under cryogenic cooling at 77 K, with equal performance.

Paper Details

Date Published: 15 February 2011
PDF: 9 pages
Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79121P (15 February 2011); doi: 10.1117/12.877564
Show Author Affiliations
Jean-Philippe M. Feve, Directed Energy Solutions (United States)
Matthew J. Bohn, Directed Energy Solutions (United States)
Jason K. Brasseur, Directed Energy Solutions (United States)
Kevin Shortoff, Directed Energy Solutions (United States)

Published in SPIE Proceedings Vol. 7912:
Solid State Lasers XX: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh Shori, Editor(s)

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