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Proceedings Paper

Predicting gas decomposition in an industrialized pulsed CO2 laser
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Paper Abstract

A model is developed for the breakdown and regeneration of component gases in an industrialised TEA CO2 laser, both with and without internal catalysts, and is found to be in excellent agreement with experimental data. The laser was found to be stable at O2 levels in excess of 2%, whereas previously reported values suggest stable operation at values of less than 1%. This is thought to be related to the unusually high starting CO2 concentration of the gas mix, and the short time pulse of the laser ouput. Long term catalytic behaviour however shows a decay in the catalyst activity, corresponding to higher energy variation and lower average power.

Paper Details

Date Published: 23 March 2005
PDF: 4 pages
Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); doi: 10.1117/12.611067
Show Author Affiliations
Andrew Forbes, National Laser Ctr. (South Africa)
Lourens R. Botha, Scientific Development and Integration Pty Ltd. (South Africa)


Published in SPIE Proceedings Vol. 5777:
XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Jarmila Kodymova, Editor(s)

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