Temperature dependence of the binary absorption coefficient for the mixture of oxygen with argon in the region of the Herzberg III band of oxygen (220 to 270 nm)

G. Ya. Zelikina; M. B. Kiseleva; Andrei P. Burtsev

doi:10.1117/12.375371

25 January 2000 Temperature dependence of the binary absorption coefficient for the mixture of oxygen with argon in the region of the Herzberg III band of oxygen (220 to 270 nm)

G. Ya. Zelikina, M. B. Kiseleva, Andrei P. Burtsev

Author Affiliations +

Proceedings Volume 4063, 13th Symposium and School on High-Resolution Molecular Spectroscopy; (2000) https://doi.org/10.1117/12.375371
Event: 13th Symposium and School on High-Resolution Molecular Spectroscopy, 1999, Tomsk, Russian Federation

Abstract

Values of the binary absorption coefficient (mu) ₁₂ are obtained in the region of the Herzberg III band of oxygen (220 - 270 nm) for the mixture of oxygen with argon in gas phase for the temperature interval 160 - 295 K and in liquid phase--for T equals 141 K. The values of (mu) ₁₂ are found to remain constant to within 10% in the whole temperature range studied. The absence of the temperature dependence of the binary absorption coefficient (mu) ₁₂ gives evidence that induced absorption of the mixture, governed by it, is determined by absorption of a collision complex O₂ - Ar, which molecules are separated by a distance, comparable with the diameters of molecules.

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G. Ya. Zelikina, M. B. Kiseleva, and Andrei P. Burtsev "Temperature dependence of the binary absorption coefficient for the mixture of oxygen with argon in the region of the Herzberg III band of oxygen (220 to 270 nm)", Proc. SPIE 4063, 13th Symposium and School on High-Resolution Molecular Spectroscopy, (25 January 2000); https://doi.org/10.1117/12.375371

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