Scintillations of Laguerre Gaussian beams |
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Authors: | H T Eyyubo?lu Y Baykal X Ji |
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Institution: | 1. Department of Electronic and Communication Engineering, ?ankaya University, ??retmenler Cad. No. 14 Yüzüncüy?l, 06530, Balgat, Ankara, Turkey 2. Department of Physics, Sichuan Normal University, Chengdu, 610068, China
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Abstract: | By using the Rytov method, we formulate and numerically evaluate the scintillations of Laguerre Gaussian beams in weak atmospheric
turbulence. Our results indicate that at on-axis positions, Laguerre Gaussian beams with zero angular mode number will have
less scintillations than fundamental Gaussian beams, where the amount of scintillations will further decrease with rising
radial mode number. When off-axis positions are considered, this situation reverses however, and the scintillations of Laguerre
Gaussian beams become generally higher than the fundamental Gaussian beam. Plotted against the source size, the on-axis scintillations
of Laguerre Gaussian beams fall below the fundamental Gaussian beam, following the same trend as the fundamental Gaussian
beam all throughout the source size range examined. |
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