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Proceedings Paper

Angular diagram of stimulated Raman scattering from transparent droplets
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Paper Abstract

The physical basis of SRS process in transparent droplets caused by intensive pumping radiation is considered. The vector Maxwell equations, where the nonlinear polarization is the source for Stokes field origin, are used as a starting point for theoretical analysis of SRS process in a droplet. In stationary case the expression for SRS threshold intensity is obtained. The values of the energy threshold of the SRS generation in droplets are evaluated depending on the droplets radius. The results of theoretical investigations of spatial structure of SRS field far from the droplet are represented also. The angular distribution of SRS is noted to be more homogeneous than elastic scattering diagram, what is connected with the absence of refracted on particle profile field component at Stokes frequency. In opposition to elastic scattering the angular SRS structure is practically symmetric with approximate period of pi/2. The results obtained are compared with the available experimental data.

Paper Details

Date Published: 14 October 1996
PDF: 9 pages
Proc. SPIE 2828, Image Propagation through the Atmosphere, (14 October 1996); doi: 10.1117/12.254192
Show Author Affiliations
Alexander A. Zemlyanov, Institute of Atmospheric Optics (Russia)
Yuri E. Geints, Institute of Atmospheric Optics (Russia)

Published in SPIE Proceedings Vol. 2828:
Image Propagation through the Atmosphere
Christopher Dainty; Luc R. Bissonnette, Editor(s)

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