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. Prokop’ev

Результат исследований: Материалы для журналаСтатья

1 цитирование (Scopus)

Выдержка

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 λ = 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 λ = 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.

Язык оригиналаАнглийский
Страницы (с-по)862-867
Число страниц6
ЖурналRussian Physics Journal
Том59
Номер выпуска6
DOI
СостояниеОпубликовано - 1 окт 2016

Отпечаток

lasing
nitrogen
monatomic gases
molecular gases
wavelengths
gas mixtures
molecules
argon
laser beams
life (durability)
output
cross sections
electric potential
lasers
ions
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Цитировать

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

В: Russian Physics Journal, Том 59, № 6, 01.10.2016, стр. 862-867.

Результат исследований: Материалы для журналаСтатья

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abstract = "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 λ = 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 λ = 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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AU - Ivanov, N. G.

AU - Losev, V. F.

AU - Prokop’ev, V. E.

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N2 - 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 λ = 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 λ = 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.

AB - 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 λ = 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 λ = 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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