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30 August 2017 Study on the effect of anisotropy on a propagating beam
Melissa Beason, Larry Andrews, Ronald Phillips
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Proceedings Volume 10408, Laser Communication and Propagation through the Atmosphere and Oceans VI; 104080B (2017) https://doi.org/10.1117/12.2274197
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States
Abstract
General anisotropy leads to different effects along the horizontal axis of a propagating beam than along the vertical axis. To better understand these effects, we developed theoretical models for beam diameter, mean intensity, and scintillation index of a Gaussian-beam wave. Two methods, valid in both weak and strong fluctuation regimes, are compared to determine beam diameter. Scintillation-index contours exhibit an elliptical shape corresponding to anisotropy while mean-intensity contours vary with path length and have no such obvious correspondence. The mean-intensity and scintillation-index analyses are based on weak-irradiance-fluctuation theory.
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Melissa Beason, Larry Andrews, and Ronald Phillips "Study on the effect of anisotropy on a propagating beam", Proc. SPIE 10408, Laser Communication and Propagation through the Atmosphere and Oceans VI, 104080B (30 August 2017); https://doi.org/10.1117/12.2274197
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