Coherence degree of the fundamental Bessel-Gaussian beam in turbulent atmosphere

Igor P. Lukin

doi:10.1117/12.2283315

30 November 2017 Coherence degree of the fundamental Bessel-Gaussian beam in turbulent atmosphere

Igor P. Lukin

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 104660Q (2017) https://doi.org/10.1117/12.2283315
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

In this article the coherence of a fundamental Bessel-Gaussian optical beam in turbulent atmosphere is analyzed. The problem analysis is based on the solution of the equation for the transverse second-order mutual coherence function of a fundamental Bessel-Gaussian optical beam of optical radiation. The behavior of a coherence degree of a fundamental Bessel-Gaussian optical beam depending on parameters of an optical beam and characteristics of turbulent atmosphere is examined. It was revealed that at low levels of fluctuations in turbulent atmosphere the coherence degree of a fundamental Bessel-Gaussian optical beam has the characteristic oscillating appearance. At high levels of fluctuations in turbulent atmosphere the coherence degree of a fundamental Bessel-Gaussian optical beam is described by an one-scale decreasing curve which in process of increase of level of fluctuations on a line of formation of a laser beam becomes closer to the same characteristic of a spherical optical wave.

Citation Download Citation

Igor P. Lukin "Coherence degree of the fundamental Bessel-Gaussian beam in turbulent atmosphere", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104660Q (30 November 2017); https://doi.org/10.1117/12.2283315

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