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Proceedings Paper

Nonlinear diffraction of nonparaxial light beams
Author(s): Anton N. Charushin; Sergey Vladimorovich Egorov; Sergei A. Kozlov; Constantin R. Simovski
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Paper Abstract

A new integro-differential equation with the only first order derivative describing diffraction of arbitrary transversely nonuniform light beam in the homogeneous transparent medium is obtained. At first, it is introduced for the case of linear media. The ones approximation of the forward propagation is used (so the case of backward propagation is excluded). It is shown that derived equation in the case of light beams with the great diameter transforms to the well-known parabolic equation. The new approach is generalized also for the case of nonlinear media. Thus, the new truncated wave equation describing the diffraction of nonparaxial light beams in the nonlinear media is obtained.

Paper Details

Date Published: 22 December 1998
PDF: 7 pages
Proc. SPIE 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (22 December 1998); doi: 10.1117/12.334413
Show Author Affiliations
Anton N. Charushin, St. Petersburg State Institute of Fine Mechanics and Optics (Russia)
Sergey Vladimorovich Egorov, St. Petersburg State Institute of Fine Mechanics and Optics (Russia)
Sergei A. Kozlov, St. Petersburg State Institute of Fine Mechanics and Optics (Russia)
Constantin R. Simovski, St. Petersburg State Institute of Fine Mechanics and Optics (Russia)


Published in SPIE Proceedings Vol. 3574:
XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference
Anatoly S. Boreisho; Gennady A. Baranov, Editor(s)

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