Analysis of phase correction efficiency when laser radiation is propagated through nonlinear layer

Valerii V. Kolosov; Sergey I. Sysoev

doi:10.1117/12.137925

1 August 1992 Analysis of phase correction efficiency when laser radiation is propagated through nonlinear layer

Valerii V. Kolosov, Sergey I. Sysoev

Proceedings Volume 1688, Atmospheric Propagation and Remote Sensing; (1992) https://doi.org/10.1117/12.137925
Event: Aerospace Sensing, 1992, Orlando, FL, United States

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.

Citation Download Citation

Valerii V. Kolosov and Sergey I. Sysoev "Analysis of phase correction efficiency when laser radiation is propagated through nonlinear layer", Proc. SPIE 1688, Atmospheric Propagation and Remote Sensing, (1 August 1992); https://doi.org/10.1117/12.137925

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