Broadening of absorption lines of the v₂ band of the H ₂S molecule by the pressure of atmospheric gases

V. I. Starikov, A. E. Protasevich

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Abstract

The broadening coefficients γ of absorption lines of the v ₂ band of H₂S molecules due to the pressure of molecular gases H₂S (self-broadening), H₂O, N₂, O ₂, H₂, D₂, and CO₂ have been calculated by the semiclassical methods. A satisfactory agreement with the experimental data available for some lines has been achieved. In all cases, the parameters of an analytical model allowing the reconstruction of the calculated and experimental values of γ have been determined. For the case of line self-broadening, the calculation has been performed for several temperatures in the range 296 K ≤ T ≤ 1300 K and the parameters determining the temperature dependence of γ have been obtained.

Original language	English
Pages (from-to)	523-531
Number of pages	9
Journal	Optics and Spectroscopy (English translation of Optika i Spektroskopiya)
Volume	101
Issue number	4
DOIs	https://doi.org/10.1134/S0030400X06100043
Publication status	Published - 1 Oct 2006

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ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics

Cite this

Starikov, V. I., & Protasevich, A. E. (2006). Broadening of absorption lines of the v₂ band of the H ₂S molecule by the pressure of atmospheric gases. Optics and Spectroscopy (English translation of Optika i Spektroskopiya), 101(4), 523-531. https://doi.org/10.1134/S0030400X06100043

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abstract = "The broadening coefficients γ of absorption lines of the v 2 band of H2S molecules due to the pressure of molecular gases H2S (self-broadening), H2O, N2, O 2, H2, D2, and CO2 have been calculated by the semiclassical methods. A satisfactory agreement with the experimental data available for some lines has been achieved. In all cases, the parameters of an analytical model allowing the reconstruction of the calculated and experimental values of γ have been determined. For the case of line self-broadening, the calculation has been performed for several temperatures in the range 296 K ≤ T ≤ 1300 K and the parameters determining the temperature dependence of γ have been obtained.",

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N2 - The broadening coefficients γ of absorption lines of the v 2 band of H2S molecules due to the pressure of molecular gases H2S (self-broadening), H2O, N2, O 2, H2, D2, and CO2 have been calculated by the semiclassical methods. A satisfactory agreement with the experimental data available for some lines has been achieved. In all cases, the parameters of an analytical model allowing the reconstruction of the calculated and experimental values of γ have been determined. For the case of line self-broadening, the calculation has been performed for several temperatures in the range 296 K ≤ T ≤ 1300 K and the parameters determining the temperature dependence of γ have been obtained.

AB - The broadening coefficients γ of absorption lines of the v 2 band of H2S molecules due to the pressure of molecular gases H2S (self-broadening), H2O, N2, O 2, H2, D2, and CO2 have been calculated by the semiclassical methods. A satisfactory agreement with the experimental data available for some lines has been achieved. In all cases, the parameters of an analytical model allowing the reconstruction of the calculated and experimental values of γ have been determined. For the case of line self-broadening, the calculation has been performed for several temperatures in the range 296 K ≤ T ≤ 1300 K and the parameters determining the temperature dependence of γ have been obtained.

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10.1134/S0030400X06100043