Electric properties, spectroscopy, and singlet delta oxygen yield of electron-beam sustained discharge in oxygen gas mixtures

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

doi:10.1117/12.525715

11 May 2004 Electric properties, spectroscopy, and singlet delta oxygen yield of electron-beam sustained discharge in oxygen gas mixtures

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

Author Affiliations +

Proceedings Volume 5334, Gas and Chemical Lasers, and Applications III; (2004) https://doi.org/10.1117/12.525715
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

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.

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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, and Nikolai N. Yuryshev "Electric properties, spectroscopy, and singlet delta oxygen yield of electron-beam sustained discharge in oxygen gas mixtures", Proc. SPIE 5334, Gas and Chemical Lasers, and Applications III, (11 May 2004); https://doi.org/10.1117/12.525715

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