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Proceedings Paper

Linear and nonlinear optical effects in aerosol particles stimulated by femtosecond laser pulse
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Paper Abstract

A problem of optical effects in aerosol particles is considered in the tasks of atmospheric femtosecond optics. Based on numerical solution of a problem on diffraction of plane wave of femtosecond duration by a weekly absorbing spherical particle, the spatial-temporal structure of the internal light field is studied. An existence of a multi-mode exciting regime of whispering galler modes is found. It is shown that a decrease of this factor at transition from the monochromatic wave to the femtosecond pulse results in significant decrease of intense internal field in the points of its maxima. A possibility to generate stimulated radiation in a particle at the Stokes frequencies and the third harmonics frequencies is also discussed. The thresholds of nonlinear optical effects under the condition of femtosecond laser pulse action on a dielectric microsphere are considered.

Paper Details

Date Published: 30 April 2003
PDF: 10 pages
Proc. SPIE 4976, Atmospheric Propagation, (30 April 2003); doi: 10.1117/12.479194
Show Author Affiliations
Alexander A. Zemlyanov, Institute of Atmospheric Optics (Russia)
Yuri E. Geints, Institute of Atmospheric Optics (Russia)


Published in SPIE Proceedings Vol. 4976:
Atmospheric Propagation
Cynthia Y. Young; John S. Stryjewski, Editor(s)

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