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Proceedings Paper

Electric properties, spectroscopy, and singlet delta oxygen yield of electron-beam sustained discharge in oxygen gas mixtures
Author(s): Michail P. Frolov; Gordon D. Hager; Andrei A. Ionin; Yurii M. Klimachev; Igor V. Kochetov; Andrei A. Kotkov; Jack McIver; Anatolii P. Napartovich; Yurii P. Podmar'kov; Leonid V. Seleznev; Dmitrii V. Sinitsyn; Nikolai P. Vagin; Nikolai N. Yuryshev
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Paper Abstract

Electric properties and spectroscopy of an e-beam sustained discharge (EBSD) in oxygen and oxygen gas mixtures at gas pressures up to 100 Torr was experimentally studied in large excitation volume (~18 liter). The discharge in pure oxygen and its mixtures with noble gases was shown to be very unstable and characterized by low input energy. When adding small amount of carbon monoxide or hydrogen, the electric stability of the discharge increases, specific input energy per molecular component being higher more than order of magnitude and coming up to 6.5 kJ/(l atm). Theoretical calculations demonstrated that for the experimental conditions the singlet delta oxygen yield may reach ~20% exceeding its threshold value needed for oxygen-iodine laser operation at room temperature. The results of experiments on spectroscopy of the singlet delta and singlet sigma oxygen states in the EBSD are presented.

Paper Details

Date Published: 11 May 2004
PDF: 11 pages
Proc. SPIE 5334, Gas and Chemical Lasers, and Applications III, (11 May 2004); doi: 10.1117/12.525715
Show Author Affiliations
Michail P. Frolov, P.N. Lebedev Physical Institute (Russia)
Gordon D. Hager, Air Force Research Lab. (United States)
Andrei A. Ionin, P.N. Lebedev Physical Institute (Russia)
Yurii M. Klimachev, P.N. Lebedev Physical Institute (Russia)
Igor V. Kochetov, Troitsk Institute for Innovation and Fusion Research (Russia)
Andrei A. Kotkov, P.N. Lebedev Physical Institute (Russia)
Jack McIver, Univ. of New Mexico (United States)
Anatolii P. Napartovich, Troitsk Institute for Innovation and Fusion Research (Russia)
Yurii P. Podmar'kov, P.N. Lebedev Physical Institute (Russia)
Leonid V. Seleznev, P.N. Lebedev Physical Institute (Russia)
Dmitrii V. Sinitsyn, P.N. Lebedev Physical Institute (Russia)
Nikolai P. Vagin, P.N. Lebedev Physical Institute (Russia)
Nikolai N. Yuryshev, P.N. Lebedev Physical Institute (Russia)


Published in SPIE Proceedings Vol. 5334:
Gas and Chemical Lasers, and Applications III
Steven J. Davis; Michael C. Heaven, Editor(s)

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