Coherence degree of diffraction-free beams in turbulent atmosphere

Igor P. Lukin

doi:10.1117/12.2248773

29 November 2016 Coherence degree of diffraction-free beams in turbulent atmosphere

Igor P. Lukin

Proceedings Volume 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 100351H (2016) https://doi.org/10.1117/12.2248773
Event: XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2016, Tomsk, Russian Federation

Abstract

This work is devoted the research of coherent properties of the diffraction-free beams propagating in turbulent atmosphere. On the basis of the solution of the equation for the second-order mutual coherent function of a field the consideration of behavior of mean intensity and degree coherence of a cosine beam is developed. The mean intensity of a beam during propagation in turbulence decreases twice. The degree coherence of a beam at low levels of fluctuations has oscillatory character, and the number of fluctuations is defined by a value of a beam parameter. At high levels of fluctuations the degree coherence of a beam becomes closer to the similar characteristic of a plane wave.

Citation Download Citation

Igor P. Lukin "Coherence degree of diffraction-free beams in turbulent atmosphere", Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 100351H (29 November 2016); https://doi.org/10.1117/12.2248773

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