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Kvantovaya Elektronika, 2008, Volume 38, Number 9, Pages 833–839 (Mi qe13812)  

This article is cited in 7 scientific papers (total in 7 papers)

Active media. Lasers

Influence of small oxygen additions on the small-signal-gain dynamics in the active medium of a pulsed electron-beam-controlled discharge CO laser

A. A. Ionina, Yu. M. Klimacheva, A. Yu. Kozlova, A. A. Kotkova, A. K. Kurnosovb, A. P. Napartovichb, S. L. Shnyrevb

a P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow
b Troitsk Institute for Innovation and Fusion Research

Abstract: The method for measuring the rate constants of the VV' exchange between CO and O2 molecules is developed. The method is based on a comparison of the measured and numerically calculated small-signal-gain (SSG) dynamics in the active medium of a pulsed electron-beam-controlled cryogenic CO laser. The SSG dynamics was measured in CO — He — O2 mixtures with the fixed CO:He = 1:4 ratio by varying the oxygen content from 0 to 4%. The SSG dynamics was measured by probing the active medium of the pulsed CO laser by a beam from a tunable cw CO laser. The mathematical model of the CO laser takes into account the influence of oxygen on energy exchange processes. The parameters of the analytic approximation for constants of the near-resonance VV' exchange CO(v) + O2(u = 0) → CO(v - 1) + O2(u = 1) are determined by the developed method for quantum vibrational numbers v = 18 — 24. In particular, the rate constant for v = 20 is (3.1 ± 0.5) × 10-12 cm3 s-1 at the gas temperature of 150 K. The extrapolation of the obtained analytic expression for rate constants in gases at room temperature gives the reasonable agreement with the measurements performed earlier for v = 12 and 13.

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English version:
Quantum Electronics, 2008, 38:9, 833–839

Bibliographic databases:

PACS: 42.55.Lt, 42.60.Lh
Received: 06.02.2008

Citation: A. A. Ionin, Yu. M. Klimachev, A. Yu. Kozlov, A. A. Kotkov, A. K. Kurnosov, A. P. Napartovich, S. L. Shnyrev, “Influence of small oxygen additions on the small-signal-gain dynamics in the active medium of a pulsed electron-beam-controlled discharge CO laser”, Kvantovaya Elektronika, 38:9 (2008), 833–839 [Quantum Electron., 38:9 (2008), 833–839]

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    This publication is cited in the following articles:
    1. A. A. Ionin, A. K. Kurnosov, A. P. Napartovich, L. V. Seleznev, Laser Phys, 20:1 (2010), 144  crossref  adsnasa  isi  elib  scopus
    2. G M Grigoryan, I V Kochetov, A K Kurnosov, J Phys D Appl Phys, 43:8 (2010), 085201  crossref  adsnasa  isi  elib  scopus
    3. Klimachev Yu.M., Ix International Conference on Modern Techniques of Plasma Diagnostics and Their Application, Journal of Physics Conference Series, 666, ed. Kukushkin A. Kukushkin A. Baronova E. Dodulad E., IOP Publishing Ltd, 2016, 012020  crossref  isi  scopus
    4. Ionin A.A. Kozlov A.Yu. Seleznev L.V. Sinitsyn D.V., Plasma Phys. Rep., 43:9 (2017), 899–909  crossref  isi  scopus
    5. Quantum Electron., 48:7 (2018), 596–602  mathnet  crossref  isi  elib
    6. Yurkovich M. Eckert Z. Jans E.R. Chernukho A.P. Frederickson K. Rich J.W. Adamovich I.V., J. Propul. Power, 34:6 (2018), 1494–1504  crossref  isi  scopus
    7. Ionin A.A. Kinyaevskiy I.O. Klimachev Yu.M. Kotkov A.A. Kozlov A.Yu. Kurnosov A.K. Mokrousova D.V. Sinitsyn D.V., Proceedings of Spie, 11322, ed. Tarasenko V. Klimkin A. Trigub M., Spie-Int Soc Optical Engineering, 2019, UNSP 113220J  crossref  isi  scopus
  • Квантовая электроника Quantum Electronics
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