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Optical Engineering

Numerical research of heat generation in flashlamp-pumped Nd:glass disk amplifiers
Author(s): Hongtao Zhu; Qihong Lou; Shaobo He
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Paper Abstract

The heat generation in a flashlamp-pumped Nd:glass disk amplifier is studied by the simulation of the whole pumping process, which is based on the ray-tracing method. The results of temperature rise distribution as well as gain distribution are presented. The evolution of heat generation in disk during the pumping process is discussed in detail. Some main factors related with the thermal effect, such as the quantum efficiency, fluorescence lifetime, and pulse duration, are investigated through studying the ratio of the heat generation to energy storage in the gain medium. The influence of each parameter on heat generation is studied carefully, and the results provide ways to decrease the heat generation during the pumping process.

Paper Details

Date Published: 1 September 2005
PDF: 7 pages
Opt. Eng. 44(9) 094205 doi: 10.1117/1.2048739
Published in: Optical Engineering Volume 44, Issue 9
Show Author Affiliations
Hongtao Zhu, Shanghai Institute of Optics and Fine Mechanics (China)
Qihong Lou, Shanghai Institute of Optics and Fine Mechanics (China)
Shaobo He, Laser Fusion Research Ctr./CAEP (China)


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