Diagnostics of the active medium of an electric-discharge CO2 module by the laser spectrograph method

Anatoliy A. Adamenkov; V. V. Buzoveria; Yuri N. Bulkin; Yuriy V. Kolobyanin; Evgeniy A. Kudryashov

doi:10.1117/12.270233

4 April 1997 Diagnostics of the active medium of an electric discharge CO₂ module by the laser spectrograph method

Anatoliy A. Adamenkov, V. V. Buzoveria, Yuri N. Bulkin, Yuriy V. Kolobyanin, Evgeniy A. Kudryashov

Proceedings Volume 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1997) https://doi.org/10.1117/12.270233
Event: XI International Symposium on Gas Flow and Chemical Lasers and High Power Laser Conference, 1996, Edinburgh, United Kingdom

Abstract

The gains were measured for the lines in the traditional band 00⁰1-10⁰0, 00⁰1-02⁰0, in the second band of the 00⁰2-10⁰1 sequence, and in the hot band 01¹1- 11¹0 emitted by the active medium of an electric-discharge carbon-dioxide module. The experimental results were used in a generalized theoretical model to find the translation and vibrational temperatures and the concentration of the active molecules. The Fermi resonance between the 10⁰0 and 02⁰0 did not ensure a Boltzmann distribution of their populations under the conditions in the electric-discharge module. The degree of dissociation of the carbon-dioxide molecules in the discharge did not exceed 22% when the maximum input power density was near 6 W/cm³.

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Anatoliy A. Adamenkov, V. V. Buzoveria, Yuri N. Bulkin, Yuriy V. Kolobyanin, and Evgeniy A. Kudryashov "Diagnostics of the active medium of an electric discharge CO₂ module by the laser spectrograph method", Proc. SPIE 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (4 April 1997); https://doi.org/10.1117/12.270233

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