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12 September 2021 Distortions of the non-paraxial Gaussian beam propagating through inhomogeneous atmosphere
Fedor V. Shugaev, Oxana A. Nikolaeva, Evgeni N. Terentiev
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Proceedings Volume 11860, Environmental Effects on Light Propagation and Adaptive Systems IV; 118600D (2021) https://doi.org/10.1117/12.2599752
Event: SPIE Remote Sensing, 2021, Online Only
Abstract
As known, lasers are used for atmospheric communication. There are advantages of an optical wave system over a radio frequency system. But there arise a number of problems in that case. Turbulent fluctuations of density in the atmosphere cause various deteriorative effectson signals. We investigated the propagation of the non-paraxial Gaussian beam through air inhomogeneity. The refractive index of air can be written in the form : n=1+n1 , n1 being a small quantity. In this case we can find the solution of the Maxwell equations. The paper represents results of computations for model inhomogeneity.
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Fedor V. Shugaev, Oxana A. Nikolaeva, and Evgeni N. Terentiev "Distortions of the non-paraxial Gaussian beam propagating through inhomogeneous atmosphere", Proc. SPIE 11860, Environmental Effects on Light Propagation and Adaptive Systems IV, 118600D (12 September 2021); https://doi.org/10.1117/12.2599752
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KEYWORDS
Radio propagation
Beam propagation method
Wave propagation
Electromagnetism
Atmospheric physics
Refractive index
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