Singlet oxygen in the low-temperature plasma of an electron-beam-sustained discharge

• Published in: Plasma physics reports Vol. 32; no. 5; pp. 429 - 439
• Main Authors: Vagin, N. P., Ionin, A. A., Klimachev, Yu. M., Kotkov, A. A., Kochetov, I. V., Napartovich, A. P., Podmar’kov, Yu. P., Rulev, O. A., Seleznev, L. V., Sinitsyn, D. V., Frolov, M. P., Yuryshev, N. N.
• Format: Journal Article
• Language: English
• Published: United States 01-05-2006
• Subjects: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ELECTRIC FIELDS; ELECTRON BEAMS; LUMINESCENCE; MIXTURES; OXYGEN; PLASMA
• ISSN: 1063-780X; 1562-6938
• DOI: 10.1134/S1063780X06050096

Results are presented from experimental and theoretical studies of the production of singlet delta oxygen in a pulsed electron-beam-sustained discharge ignited in a large ({approx}18-1) volume at a total gas mixture pressure of up to 210 Torr. The measured yield of singlet oxygen reaches 10.5%. It is found that varying the reduced electric field from {approx}2 to {approx}11 kV/(cm atm) slightly affects singlet oxygen production. It is shown experimentally that an increase in the gas mixture pressure or the specific input energy reduces the duration of singlet oxygen luminescence. The calculated time evolution of the singlet oxygen concentration is compared with experimental results.