Collisional depolarization of the fluorescence of polyatomic molecules in the gas phase

A. P. Blokhin; M. F. Gelin; I. I. Kalosha; V. V. Matilitsky; N. P. Erohin

doi:10.1117/12.380128

20 March 2000 Collisional depolarization of the fluorescence of polyatomic molecules in the gas phase

A. P. Blokhin, M. F. Gelin, I. I. Kalosha, V. V. Matilitsky, N. P. Erohin

Proceedings Volume 4002, Saratov Fall Meeting '99: Laser Physics and Spectroscopy; (2000) https://doi.org/10.1117/12.380128
Event: Saratov Fall Meeting '99, 1999, Saratov, Russian Federation

Abstract

Collisional depolarization of fluorescence is experimentally studied for 1,4-bis[2-(5-tolyloxazolyl)benzene] in He, Ar, and Xe solvents under the pressures ranging from zero to atmospheric. The results are interpreted within the Keilson- Storer model of the orientational relaxation and rigid body collision dynamics. The rate of the fluorescence depolarization vs. the buffer gas concentration is demonstrated to be very collision specific, thereby allowing one to extract information about the strength of the angular momentum scrambling in a binary collision.

Citation Download Citation

A. P. Blokhin, M. F. Gelin, I. I. Kalosha, V. V. Matilitsky, and N. P. Erohin "Collisional depolarization of the fluorescence of polyatomic molecules in the gas phase", Proc. SPIE 4002, Saratov Fall Meeting '99: Laser Physics and Spectroscopy, (20 March 2000); https://doi.org/10.1117/12.380128

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