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Proceedings Paper

Performance of hf overtone chemical lasers
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Paper Abstract

A two-dimensional program is applied to simulate the chemical dynamic process,gas dynamic process and lasing process of a combustion-driven CW HF overtone chemical lasers.Some important parameters in the cavity are obtained.The calculated results include averaged pressure and temperature,zero power gain coefficient, laser spectrum, output power, chemical efficiency and overtone efficiency.Based on the numerical simulation,the influence of entering gas flow parameter,nozzle structure and nozzle array length on the performance of HF overtone lasers are investigated separately.Because of small zero power gain coefficient of each HF overtone spectral line,the saturation degree of gain medium in the cavity is the most important parameter to influence the overtone efficiency of HF lasers.

Paper Details

Date Published: 7 June 1999
PDF: 8 pages
Proc. SPIE 3612, Gas and Chemical Lasers and Intense Beam Applications II, (7 June 1999); doi: 10.1117/12.350639
Show Author Affiliations
Jinbao Chen, National Univ. of Defense Technology (China)
Weihong Hua, National Univ. of Defense Technology (China)
Zhongfu Jiang, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 3612:
Gas and Chemical Lasers and Intense Beam Applications II
Ernest A. Dorko, Editor(s)

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