H2O halfwidths and lineshifts in 3v1+v3 band induced by Ar pressure

Dmitrii S. Emelyanov; Valentina N. Stroinova

doi:10.1117/12.724920

12 December 2006 H₂O halfwidths and lineshifts in 3v₁+v₃ band induced by Ar pressure

Dmitrii S. Emelyanov, Valentina N. Stroinova

Proceedings Volume 6580, 15th Symposium on High-Resolution Molecular Spectroscopy; 65800H (2006) https://doi.org/10.1117/12.724920
Event: 15th Symposium on High-Resolution Molecular Spectroscopy, 2006, Nizhny Novgorod, Russian Federation

Abstract

Halfwidths and lineshifts of water vapour by Ar pressure were calculated in the framework of semiclassical broadening theory. Anisotropic and isotropic parts of polarization interactions are taken into account, when relaxation parameters are calculated. H₂0 mean polarizability in 301 vibrational state was determined earlier using the measured linesfifts. H₂0 polarizability z-component in 301 vibrational state was determined using the measured lineshifts in this work at the first time. The calculated relaxation parameters were in a good agreement with the measured one. Halfwidths and lineshifts temperature dependence is calculated within the interval 100-800 K.

Citation Download Citation

Dmitrii S. Emelyanov and Valentina N. Stroinova "H₂O halfwidths and lineshifts in 3v₁+v₃ band induced by Ar pressure", Proc. SPIE 6580, 15th Symposium on High-Resolution Molecular Spectroscopy, 65800H (12 December 2006); https://doi.org/10.1117/12.724920

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