Accuracy of phase-conjugate correction for distortions of a light beam in the atmosphere

Sergey S. Lebedev

doi:10.1117/12.58988

1 May 1992 Accuracy of phase-conjugate correction for distortions of a light beam in the atmosphere

Sergey S. Lebedev

Proceedings Volume 1628, Intense Laser Beams; (1992) https://doi.org/10.1117/12.58988
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Compensation for light beam distortions in the atmosphere using the phase-conjugate mirror based on stimulated Brillouin scattering is investigated both experimentally and theoretically. Correction of beam distortions caused by turbulent medium, atmospheric aerosol, and thermal self-action is considered. It is shown that as the structural characteristic of fluctuations in turbulent medium permittivity and the length of the medium increase, the correction accuracy parameter decreases. This parameter reduction follows the decrease in typical thermal self- action length of repetitive pulse radiation in the moving atmosphere. The correction accuracy parameter value decreases down to 0.5 only, as the optical depth of aerosol medium increases up to 3.0.

Citation Download Citation

Sergey S. Lebedev "Accuracy of phase-conjugate correction for distortions of a light beam in the atmosphere", Proc. SPIE 1628, Intense Laser Beams, (1 May 1992); https://doi.org/10.1117/12.58988

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