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Optical Engineering

Effects of coolant temperature and pump power on the power output of solar-pumped solid state lasers
Author(s): George A. Thompson; Amnon Yogev; A. Reich; Moshe B. Oron
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Paper Abstract

The temperature dependence of solar-pumped solid state lasers of Nd:YAG and two types of Nd:Cr:GSGG was studied over the temperature range of +30 to -60°C in a quasi-cw mode. All lasers had higher output powers at -40°C. The Nd:Cr:GSGG laser with a chromium concentration of 2.5 at. % produced 70 W of power at -40°C, quasi-cw. If extrapolated to true cw operation this is equivalent to 350 W. The temperature dependence of the laser performance is attributed to changes in both the stimulated emission cross section and the resonator configuration.

Paper Details

Date Published: 1 November 1992
PDF: 4 pages
Opt. Eng. 31(11) doi: 10.1117/12.59953
Published in: Optical Engineering Volume 31, Issue 11
Show Author Affiliations
George A. Thompson, Paul Scherrer Inst. (Switzerland)
Amnon Yogev, Weizmann Inst. of Science (Israel)
A. Reich, Soreq Nuclear Research Ctr. (Israel)
Moshe B. Oron, Soreq Nuclear Research Ctr. (Israel)

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