Diode-laser measurements of oxygen-broadened linewidths in the ν1 band of OCS

J.-P. Bouanich, J. Walrand, S. Alberty, G. Blanquet

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Pressure-broadening parameters of 25 lines belonging to the ν band of OCS in collision with O have been measured with a tunable diode-laser spectrometer. From these coefficients and previously measured N-broadening coefficients, smoothed values of air-broadening parameters of OCS have been derived. The experimental results for O broadening are compared with values calculated on the basis of the Anderson-Tsao-Curnutte theory and an improved semiclassical impact theory in which we used a simple formalism for the nonelectrostatic anisotropic potential. The latter theory, which has also been applied by considering an atom-atom interaction model, yields results in overall agreement with experimental data.
langue originaleAnglais
Pages (de - à)37-47
Nombre de pages11
journalJournal of molecular spectroscopy
Numéro de publication1
Etat de la publicationPublié - 1 mai 1987

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