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Atmospheric and Oceanic Optics

, Volume 29, Issue 1, pp 12–17 | Cite as

Multifrequency laser diagnostics of vibrational nonequilibrium gas media containing CO2 molecules

  • K. I. ArshinovEmail author
  • O. N. Krapivnaya
  • V. V. Nevdakh
Spectroscopy of Ambient Medium
  • 18 Downloads

Abstract

The technique for multifrequency diagnostics of a vibrational nonequilibrium gas mixture that contains CO2 molecules is proposed. The technique uses data on unsaturated gains at lines of the 0001–[1000, 0200]I, II and 0002–[1001, 0201]I, II transitions obtained with the help of a tunable CO2 laser. Results of the study of the influence of accuracy of gain measurements and the number of sensing lines on errors in determining populations of vibrational levels and gas mixture translational temperatures are presented.

Keywords

vibrational nonequilibrium gas media CO2 molecules multifrequency sensing level population translational gas temperature 

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • K. I. Arshinov
    • 1
    Email author
  • O. N. Krapivnaya
    • 1
  • V. V. Nevdakh
    • 2
  1. 1.Institute of Technical AcousticsNational Academy of Sciences of BelarusVitebskBelarus
  2. 2.Belarusian National Technical UniversityMinskBelarus

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