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Proceedings Paper

Computation and analysis of line-mixing effects in CO2 and CO IR bands using quasiclassical theory
Author(s): M. V. Tonkov; N. N. Filippov
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Paper Abstract

At pressures about 1 atm well separated rotational-vibrational lines of a gas have Lorentzian shapes. When the lines superimpose the absorption coefficient deviations from the sum of Lorentzian contours are often observed especially in tine wings. These deviations are usually explained by the line mixing effects which can be calculated for the central parts of bands using the impact approximat ion. In this approximat ion the transformat ion of the band shape with pressure is determined by the relaxation Γ-matrix structure.

Paper Details

Date Published: 1 July 1992
PDF: 4 pages
Proc. SPIE 1811, Tenth All-Union Symposium and School on High-Resolution Molecular Spectroscopy, (1 July 1992); doi: 10.1117/12.131162
Show Author Affiliations
M. V. Tonkov, St. Petersburg State Univ. (Russia)
N. N. Filippov, St. Petersburg State Univ. (Russia)


Published in SPIE Proceedings Vol. 1811:
Tenth All-Union Symposium and School on High-Resolution Molecular Spectroscopy

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