Kinetics of CO first negative system excitation by ionized radiation

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Investigation of the possibility of the quasicontinuous UV carbon monoxide first negative system laser development is interesting with the fact that quantum efficiency for 0-0 transition (λ = 219 nm) is 13.3%. H 2, D2, Kr have high values of the deactivation rate constants of X2+ level. So the possibility of quasicontinuous laser on B-X transition of CO+ is determined by the ratio of the upper and lower laser levels quenching rates of H2, D2 molecules, Kr atoms. In the present work the luminescence spectra of gas mixtures with carbon monoxide under α- particle excitation are investigated. CO+ (B) quenching rate constants are obtained from dependence of the CO first negative system intensity on gases partial pressure in He+CO+H2 (D2, Kr) mixtures. At the analysis of experimental dates the population of the upper level during He2+-CO charge exchange was taken into account. Efficiency of B 2u, v=0+ level population was defined by the ratio of the intensities of 1 system of N2 and Baldet - Johnson system in He-N2 and He-CO mixtures. The upper limit for the CO + (B) quenching rate constant in collisions with H2 (D2, Kr) is estimated as: kq-10 cm 3 s-1. The results indicate the possibility of the efficient quasicontinuous laser action on the carbon monoxide first negative system in UV spectral region under ionized radiation source pumping.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsV.F. Tarasenko, G.V. Mayer, G.G. Petrash
Pages14-23
Number of pages10
Volume5483
DOIs
Publication statusPublished - 2004
Externally publishedYes
EventAtomic and Molecular Pulsed Lasers V - Tomsk, Russian Federation
Duration: Sep 15 2003Sep 19 2003

Other

OtherAtomic and Molecular Pulsed Lasers V
CountryRussian Federation
CityTomsk
Period9/15/039/19/03

Fingerprint

Carbon monoxide
carbon monoxide
Radiation
Quenching
Rate constants
Kinetics
Lasers
quenching
kinetics
radiation
excitation
lasers
Electron transitions
radiation sources
Quantum efficiency
charge exchange
Gas mixtures
Partial pressure
deactivation
gas pressure

Keywords

  • Carbon monoxide
  • First negative system
  • Laser
  • Level population
  • Quenching rates

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Khasenov, M. U. (2004). Kinetics of CO first negative system excitation by ionized radiation. In V. F. Tarasenko, G. V. Mayer, & G. G. Petrash (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 5483, pp. 14-23) https://doi.org/10.1117/12.562951

Kinetics of CO first negative system excitation by ionized radiation. / Khasenov, M. U.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / V.F. Tarasenko; G.V. Mayer; G.G. Petrash. Vol. 5483 2004. p. 14-23.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Khasenov, MU 2004, Kinetics of CO first negative system excitation by ionized radiation. in VF Tarasenko, GV Mayer & GG Petrash (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 5483, pp. 14-23, Atomic and Molecular Pulsed Lasers V, Tomsk, Russian Federation, 9/15/03. https://doi.org/10.1117/12.562951
Khasenov MU. Kinetics of CO first negative system excitation by ionized radiation. In Tarasenko VF, Mayer GV, Petrash GG, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 5483. 2004. p. 14-23 https://doi.org/10.1117/12.562951
Khasenov, M. U. / Kinetics of CO first negative system excitation by ionized radiation. Proceedings of SPIE - The International Society for Optical Engineering. editor / V.F. Tarasenko ; G.V. Mayer ; G.G. Petrash. Vol. 5483 2004. pp. 14-23
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AB - Investigation of the possibility of the quasicontinuous UV carbon monoxide first negative system laser development is interesting with the fact that quantum efficiency for 0-0 transition (λ = 219 nm) is 13.3%. H 2, D2, Kr have high values of the deactivation rate constants of X2 ∑ + level. So the possibility of quasicontinuous laser on B-X transition of CO+ is determined by the ratio of the upper and lower laser levels quenching rates of H2, D2 molecules, Kr atoms. In the present work the luminescence spectra of gas mixtures with carbon monoxide under α- particle excitation are investigated. CO+ (B) quenching rate constants are obtained from dependence of the CO first negative system intensity on gases partial pressure in He+CO+H2 (D2, Kr) mixtures. At the analysis of experimental dates the population of the upper level during He2+-CO charge exchange was taken into account. Efficiency of B 2 ∑u, v=0+ level population was defined by the ratio of the intensities of 1 system of N2 and Baldet - Johnson system in He-N2 and He-CO mixtures. The upper limit for the CO + (B) quenching rate constant in collisions with H2 (D2, Kr) is estimated as: kq-10 cm 3 s-1. The results indicate the possibility of the efficient quasicontinuous laser action on the carbon monoxide first negative system in UV spectral region under ionized radiation source pumping.

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