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Proceedings Paper

Analysis of phase correction efficiency when laser radiation is propagated through nonlinear layer
Author(s): Valerii V. Kolosov; Sergey I. Sysoev
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Paper Abstract

A partially coherent laser beam propagated in the far region of diffraction through a nonlinear layer adjacent to the radiation plane is considered. The propagation is described using a small-angle approximation of a transfer equation. It is demonstrated that 'slow' phase correction is effective only in the limited region of the beam energy parameters. Beyond the limits of the region even the optimum phase correction does not decrease angular expansion, and the use of nonoptimum algorithms causes deterioration of radiation characteristics. 'Fast' phase correction makes it possible to derive the angular expansion value that is less than the diffractive value, when a 'focusing lens' formed in a nonlinear layer.

Paper Details

Date Published: 1 August 1992
PDF: 8 pages
Proc. SPIE 1688, Atmospheric Propagation and Remote Sensing, (1 August 1992); doi: 10.1117/12.137925
Show Author Affiliations
Valerii V. Kolosov, Institute of Atmospheric Optics (Russia)
Sergey I. Sysoev, Institute of Atmospheric Optics (Russia)

Published in SPIE Proceedings Vol. 1688:
Atmospheric Propagation and Remote Sensing
Anton Kohnle; Walter B. Miller, Editor(s)

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