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Kvantovaya Elektronika, 2019, Volume 49, Number 2, Pages 157–161 (Mi qe16983)  

This article is cited in 6 scientific papers (total in 6 papers)

Laser applications and other topics in quantum electronics

Measurements of water molecule isotopomer concentrations in a discharge of inert gas with addition of H2O and D2 vapours by the method of external-cavity diode laser spectroscopy

A. V. Bernatskiy, V. V. Lagunov, V. N. Ochkin

P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow

Abstract: Discharge plasma in inert gases with added water vapours and deuterium is studied by using the optimised diode laser spectroscopy with an external cavity. Formation of a spectrally dense grid of cavity transverse mode eigenfrequencies allows one to determine the parameters of Doppler broadening for absorption lines, a kinetic temperature of molecules, and their statistical sums. By using these parameters and the value of an absorption coefficient, correlations of concentrations are found for H2O and HDO isotopomers at various ratios of plasma-forming gas components. An important contribution of initial gas molecules adsorbed on walls into the formation of plasma composition is stressed. It is found that the ratio of H2O and HDO concentrations is the same at various ratios of H2O and D2 concentrations in plasma-forming gases and is constant during the discharge burning process.

Keywords: absorption spectroscopy, diode laser, external cavity, gas discharge, isotopic modifications of water molecule, plasmochemistry.

Funding Agency Grant Number
Russian Foundation for Basic Research 19-02-00540 а


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English version:
Quantum Electronics, 2019, 49:2, 157–161

Bibliographic databases:

Received: 17.09.2018
Revised: 09.11.2018

Citation: A. V. Bernatskiy, V. V. Lagunov, V. N. Ochkin, “Measurements of water molecule isotopomer concentrations in a discharge of inert gas with addition of H2O and D2 vapours by the method of external-cavity diode laser spectroscopy”, Kvantovaya Elektronika, 49:2 (2019), 157–161 [Quantum Electron., 49:2 (2019), 157–161]

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  • http://mi.mathnet.ru/eng/qe/v49/i2/p157

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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. V A. Bernatskiy , V. V. Lagunov, V. N. Ochkin, Phys. Wave Phenom., 27:3 (2019), 165–177  crossref  isi
    2. A. V. Bernatskiy, I. V. Kochetov, V. V. Lagunov, V. N. Ochkin, Phys. Plasmas, 26:8 (2019), 083511  crossref  isi  scopus
    3. A. V. Bernatskiy, I. V. Kochetov, V. N. Ochkin, Plasma Phys. Rep., 46:9 (2020), 874–919  crossref  isi
    4. V. N. Ochkin, Phys. Wave Phenom., 28:1 (2020), 21–48  crossref  isi  scopus
    5. Quantum Electron., 51:1 (2021), 28–32  mathnet  crossref  isi  elib
    6. Lagunov V.V., Nikolaev I.V., Ochkin V.N., Spectroc. Acta Pt. A-Molec. Biomolec. Spectr., 246 (2021), 119060  crossref  isi
  • Квантовая электроника Quantum Electronics
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