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Proceedings Paper

Nonlinear self-depolarization effect of high-intensity tightly focused laser beams in transparent isotropic dielectric
Author(s): Vitali E. Gruzdev; Mikhail N. Libenson
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Paper Abstract

There are presented results of theoretical investigation of nonlinear self-depolarization effect resulting in variation of space distribution of polarization-ellipse parameters of monochromatic high-intensity focused laser beam. Both qualitative consideration of symmetry properties and numerical calculations for Gaussian beams of low order (TE00, TE01, TE10 and TE11) show that linear and circular initial polarizations change and turn into elliptic polarization with inhomogeneous distribution of polarization-ellipse parameters in focal area. Bearing in mind obtained results, we discuss specific symmetry structure of self-depolarization effect allowing experimental checking of described phenomenon. There are analyzed and estimated other contributions to depolarization effect resulting from low-intensity diffraction. Obtained results are generalized for the case of laser pulses and other types of nonlinear optical response of isotropic dielectric.

Paper Details

Date Published: 16 January 2002
PDF: 12 pages
Proc. SPIE 4462, Nonlinear Optical Transmission Processes and Organic Photorefractive Materials, (16 January 2002); doi: 10.1117/12.452725
Show Author Affiliations
Vitali E. Gruzdev, S.I. Vavilov State Optical Institute (Russia)
Mikhail N. Libenson, S.I. Vavilov State Optical Institute (Russia)

Published in SPIE Proceedings Vol. 4462:
Nonlinear Optical Transmission Processes and Organic Photorefractive Materials
Christopher M. Lawson; Klaus Meerholz, Editor(s)

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