Absorption coefficient in the infrared CO2 Q-branch

L. I. Nesmelova; Olga B. Rodimova; Stanislav D. Tvorogov

doi:10.1117/12.131165

1 July 1992 Absorption coefficient in the infrared CO₂ Q-branch

L. I. Nesmelova, Olga B. Rodimova, Stanislav D. Tvorogov

Proceedings Volume 1811, Tenth All-Union Symposium and School on High-Resolution Molecular Spectroscopy; (1992) https://doi.org/10.1117/12.131165
Event: Tenth All-Union Symposium and School on High Resolution Molecular Spectroscopy, 1991, Omsk, Russian Federation

Abstract

The values of absorption coefficient κ in the wings of the infrared CO₂ Q-branches significantly differ from those isolated Lorentzian lines. It becomes now traditional to explain these deviations by line-mixing. Actually, presence of the small line separations in the Q-branches are greatly conductive to this point of view. It can be noted, however, that the largest deviations from the Lorentzian line calculations are observed in spectral regions comparatively far from the line centers. Therefore it would be interesting to know whether the line wing theory can be used to describe the observed frequency dependence of κ or not. The present study concerns with the CO₂ Q-branch at 1932cm^-1.

Citation Download Citation

L. I. Nesmelova, Olga B. Rodimova, and Stanislav D. Tvorogov "Absorption coefficient in the infrared CO₂ Q-branch", Proc. SPIE 1811, Tenth All-Union Symposium and School on High-Resolution Molecular Spectroscopy, (1 July 1992); https://doi.org/10.1117/12.131165

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