Transition criterion of a laser beam with complex form of field's distribution to the strong optical turbulence regime

D. A. Marakasov; D. S. Rytchkov

doi:10.1117/12.2540865

18 December 2019 Transition criterion of a laser beam with complex form of field's distribution to the strong optical turbulence regime

D. A. Marakasov, D. S. Rytchkov

Author Affiliations +

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 112082G (2019) https://doi.org/10.1117/12.2540865
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

The criteria for the transition of laser beams to the regime of the strong optical turbulence based on the variance of intensity fluctuations and the shape of the profile of the average beam intensity in the atmosphere are discussed. Estimates of the path length are made for fixed values of the structural characteristics of fluctuations of the refractive index of the medium, during which the transition to the regime of strong intensity fluctuations a loss of dependence of intensity distribution of laser beam on its initial intensity distribution at the source plane occurs. It is shown that an increase in topological charge leads to an increase in the critical path length, at which the transition of the vortex beam to the regime of strong optical turbulence occurs.

Citation Download Citation

D. A. Marakasov and D. S. Rytchkov "Transition criterion of a laser beam with complex form of field's distribution to the strong optical turbulence regime", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 112082G (18 December 2019); https://doi.org/10.1117/12.2540865

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