Line broadening estimate from averaged energy differences of coupled states

Nina N. Lavrentieva; Anna S. Dudaryonok; Qiancheng Ma

doi:10.1117/12.2075341

25 November 2014 Line broadening estimate from averaged energy differences of coupled states

Nina N. Lavrentieva, Anna S. Dudaryonok, Qiancheng Ma

Proceedings Volume 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 92920M (2014) https://doi.org/10.1117/12.2075341
Event: 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2014, Novosibirsk, Russian Federation

Abstract

The method to the calculation of rotation-vibrational line half-width of asymmetric top molecules is proposed. The influence of the buffer gas on the internal state of the absorbing molecule is emphasized in this method. The basic expressions of present approach are given. The averaged energy differences method was used for the calculation of H2O and HDO lines broadening. Comparisons of the calculated line shape parameters with the experimental values in different absorption bands are made.

Citation Download Citation

Nina N. Lavrentieva, Anna S. Dudaryonok, and Qiancheng Ma "Line broadening estimate from averaged energy differences of coupled states", Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 92920M (25 November 2014); https://doi.org/10.1117/12.2075341

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