Spectrum of induced absorption of oxygen in mixtures with various gases in the region of the Herzberg photodissociation continuum

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

doi:10.1117/12.336995

13 January 1999 Spectrum of induced absorption of oxygen in mixtures with various gases in the region of the Herzberg photodissociation continuum

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

Author Affiliations +

Proceedings Volume 3583, Fifth International Symposium on Atmospheric and Ocean Optics; (1999) https://doi.org/10.1117/12.336995
Event: Fifth International Symposium on Atmospheric and Ocean Optics, 1998, Tomsk, Russian Federation

Abstract

Values of the binary absorption coefficients are obtained for the region of Herzberg photodissociation continuum in mixtures of oxygen with various foreign gases X, where X - Ar, Kr, Xe, N₂, N₂O, CH₄, C₃H₈, CO₂, NH₃, NF₃, SF₆, CF₄, C₂F₆, C₃F₈, CF₃H, CF₃Cl, CF₃Br, CF₂ClH, CF₂Cl₂ - group I (the ionization potential of molecules >= 11 eV) and C₂H₄, CF₃I, C₂F₅I - group II (the ionization potential < 11 eV). The induced absorption of the mixtures of O₂ with gases from group I is found to result from the Herzberg III band of oxygen. The obtained regular dependence of the intensity of induced absorption in an O₂ - X pair on the ionization potential of a molecule X, confirms the hypothesis that excited electronic states of the ionic type of the molecular pair serve as the main intensity source for the Herzberg III band. The long-wavelength wing of the charge transfer band of the O₂ - X pair is shown to contribute to the induced absorption of the mixtures of O₂ with gases from group II.

Citation Download Citation

G. Ya. Zelikina, M. B. Kiseleva, Andrei P. Burtsev, and V. V. Bertsev "Spectrum of induced absorption of oxygen in mixtures with various gases in the region of the Herzberg photodissociation continuum", Proc. SPIE 3583, Fifth International Symposium on Atmospheric and Ocean Optics, (13 January 1999); https://doi.org/10.1117/12.336995

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