Calculation of SO2-CO2 line broadening coefficients

Anna S. Dudaryonok; Tatyana A. Nevzorova; Nikolay A. Lavrentiev; Nina N. Lavrentieva

doi:10.1117/12.2645079

7 December 2022 Calculation of SO₂-CO₂ line broadening coefficients

Anna S. Dudaryonok, Tatyana A. Nevzorova, Nikolay A. Lavrentiev, Nina N. Lavrentieva

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 123411K (2022) https://doi.org/10.1117/12.2645079
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

Carbon-dioxide broadened sulfur-dioxide line widths have been calculated with semi-empirical method at the room temperature (T=296K) for 621 R-branch lines of the ν₁+ν₃ band, rotational quantum numbers J vary in the range from 0 to 70. The computed broadening parameters are compared with the literature data, and good agreement is obtained. Semi-empirical approach is based on analytical expressions of semi-classical impact theory and including a fewparameter correction which can be determined by fitting the broadening coefficients on the experimental data.

Citation Download Citation

Anna S. Dudaryonok, Tatyana A. Nevzorova, Nikolay A. Lavrentiev, and Nina N. Lavrentieva "Calculation of SO₂-CO₂ line broadening coefficients", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 123411K (7 December 2022); https://doi.org/10.1117/12.2645079

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