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Optics Letters

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  • Vol. 1, Iss. 6 — Dec. 1, 1977
  • pp: 220–222

Collision-induced rotational Raman scattering

A. D. Buckingham and G. C. Tabisz  »View Author Affiliations


Optics Letters, Vol. 1, Issue 6, pp. 220-222 (1977)
http://dx.doi.org/10.1364/OL.1.000220


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Abstract

The long tails at low and high frequency in the Rayleigh scattering by gases comprising tetrahedral molecules is attributed to rotational Raman scattering. The rotating part of the collision-induced polarizability is due to the dipole–quadrupole polarizability A and varies as the inverse fourth power of the separation of the two interacting molecules. The rotational section rules are ΔJ = 0, ±1, ±2, ±3, and quantitative agreement is obtained with the observed frequency dependence of the tail in methane. Contributions due to hyperpolarizability are found to be small. A value for the dipole–quadrupole polarizability A of methane is obtained by attributing the excess scattering over that implied by the dipole–induced-dipole model to A.

© 1977 Optical Society of America

History
Original Manuscript: August 15, 1977
Published: December 1, 1977

Citation
A. D. Buckingham and G. C. Tabisz, "Collision-induced rotational Raman scattering," Opt. Lett. 1, 220-222 (1977)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-1-6-220


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