Paper
10 October 2011 Coherence of Bessel beams propagating in turbulent media
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Abstract
In this article, the characteristic features of formation of the Bessel optical beam in a turbulent atmosphere are analyzed. The problem analysis is based on the solution of the equation for the mutual coherence function (the second-order field moment) of a Bessel beam of optical radiation. The behavior of the spatial coherence radius of a Bessel optical beam depending on parameters of a beam and characteristics of the turbulent atmosphere is examined. It has appeared, that at low levels of fluctuations in a turbulent atmosphere the spatial coherence radius of a Bessel optical beam is larger than the spatial coherence radius of a plane optical wave, but it is smaller than the spatial coherence radius of a spherical wave. At high levels of fluctuations in a turbulent atmosphere, the spatial coherence radius of a Bessel beam becomes closer to the similar characteristic of a spherical wave.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Igor P. Lukin "Coherence of Bessel beams propagating in turbulent media", Proc. SPIE 8178, Optics in Atmospheric Propagation and Adaptive Systems XIV, 81780B (10 October 2011); https://doi.org/10.1117/12.897858
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KEYWORDS
Bessel beams

Atmospheric optics

Coherence (optics)

Spatial coherence

Spherical lenses

Atmospheric propagation

Atmospheric turbulence

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