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Proceedings Paper

Line broadening estimate from averaged energy differences of coupled states
Author(s): Nina N. Lavrentieva; Anna S. Dudaryonok; Qiancheng Ma
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Paper 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.

Paper Details

Date Published: 25 November 2014
PDF: 9 pages
Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 92920M (25 November 2014); doi: 10.1117/12.2075341
Show Author Affiliations
Nina N. Lavrentieva, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
National Research Tomsk State Univ. (Russian Federation)
Anna S. Dudaryonok, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
National Research Tomsk State Univ. (Russian Federation)
NASA/Goddard Institute for Space Studies and Columbia Univ. (United States)
Qiancheng Ma, NASA/Goddard Institute for Space Studies and Columbia Univ. (United States)


Published in SPIE Proceedings Vol. 9292:
20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Oleg A. Romanovskii, Editor(s)

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