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27 November 2012Coherence radius and integrated scale of degree of coherence of Bessel beam in turbulent atmosphere
Coherent properties of the Bessel optical beam formed in turbulent atmosphere are studied. The problem analysis is
based on the solution of the equation for the transverse second-order mutual coherence function of a field of optical
radiation. The behaviour of the modulus of the normalized second-order mutual coherence function of a Bessel optical
beam depending on parameter of a beam and characteristics of turbulent atmosphere is investigated. The behaviour of
degree of coherence of a Bessel optical beam depending on parameter of a beam and characteristics of turbulent
atmosphere is studied in details. It has appeared that at low levels of fluctuations in turbulent atmosphere the degree of
coherence of a Bessel optical beam demonstrates oscillating character depending on the difference of the transverse
spatial coordinate. At high levels of fluctuations in turbulent atmosphere, degree of coherence of a Bessel beam (as it is
qualitative, and quantitatively) becomes closer to the similar characteristic of a spherical wave.
Igor P. Lukin
"Coherence radius and integrated scale of degree of coherence of Bessel beam in turbulent atmosphere", Proc. SPIE 8696, Eighteenth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 869608 (27 November 2012); https://doi.org/10.1117/12.2008732
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Igor P. Lukin, "Coherence radius and integrated scale of degree of coherence of Bessel beam in turbulent atmosphere," Proc. SPIE 8696, Eighteenth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 869608 (27 November 2012); https://doi.org/10.1117/12.2008732