Special Features of Lasing on N2, N2+, Ar, Ne, and CO2 Transitions Pumped by a Nanosecond Transverse Discharge / N. G. Ivanov, V. F. Losev, V. E. Prokopjev

Уровень набора: Russian Physics Journal = 1965-Основной Автор-лицо: Ivanov, N. G., Nikolay GeorgievichАльтернативный автор-лицо: Losev, V. F., specialist in the field of automation equipment and electronics, Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences, 1950-, Valery Fedorovich;Prokopjev, V. E., Vladimir EgorovichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет (ТПУ), Институт физики высоких технологий (ИФВТ), Кафедра сильноточной электроники (СЭ)Язык: английский.Резюме или реферат: Special features of lasing in the most widespread molecular and atomic gases excited by a nanosecond transverse discharge are investigated. It is shown that the maximum of the lasing band on the C3Пu – B3Пg transition of the 0–0 vibrational molecular nitrogen band depends on the composition and pressure of the employed gas mixture and can be tuned from 0.2 to 0.3 nm. Simultaneous lasing on nitrogen molecules and ions at the wavelengths ? = 337.1 and 427.8 nm, respectively, is possible at a certain nitrogen content in the He/N2 mixture. Wherein, regions of lasing at different wavelengths are spatially separated in the output beam cross section. To obtain maximal energy of laser radiation in argon at ? = 912.3 nm, high He pressures (4 atm) and maximal charge voltages (25 kV) are required. The most probable reason for the limited lifetime of a CO2 laser is the accumulation of CN molecules in the mixture..Примечания о наличии в документе библиографии/указателя: [References: p. 867 (8 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | лазеры | время жизни | длинноволновое излучение Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: p. 867 (8 tit.)]

Special features of lasing in the most widespread molecular and atomic gases excited by a nanosecond transverse discharge are investigated. It is shown that the maximum of the lasing band on the C3Пu – B3Пg transition of the 0–0 vibrational molecular nitrogen band depends on the composition and pressure of the employed gas mixture and can be tuned from 0.2 to 0.3 nm. Simultaneous lasing on nitrogen molecules and ions at the wavelengths ? = 337.1 and 427.8 nm, respectively, is possible at a certain nitrogen content in the He/N2 mixture. Wherein, regions of lasing at different wavelengths are spatially separated in the output beam cross section. To obtain maximal energy of laser radiation in argon at ? = 912.3 nm, high He pressures (4 atm) and maximal charge voltages (25 kV) are required. The most probable reason for the limited lifetime of a CO2 laser is the accumulation of CN molecules in the mixture.

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