大气湍流中贝塞尔-高斯光束的涡旋分裂

2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2021-12-01 DOI:10.1109/isape54070.2021.9753208

Kangjun Dong, Bowen Tao, Wenjie Jiang, Mingjian Cheng, Linxin Guo

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引用次数: 0

摘要

基于多相屏法，将1500米的大气湍流传输链路充分分解为150个相同间隔的弱薄湍流相位屏，建立了大气湍流中贝塞尔高斯光束携带轨道角矩(OAM)模的传输模型，并应用该模型分析了OAM模的湍流诱导涡旋分裂。不同拓扑荷数的OAM模式在大气湍流中具有不同的涡旋分裂速度，且随雷诺数的增加而增强。

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Vortex Splitting of the Bessel-Gaussian Beam in Atmospheric Turbulence

Based on multi-phase screen method, an atmospheric turbulence transmission link of 1500 meters can be decomposed sufficiently into a series of 150 weak thin turbulence phase screens with the same interval, and the transmission model of orbital angular moment (OAM) mode carried by a Bessel Gaussian beam in atmospheric turbulence was developed and employed to analyze the turbulence induced vortex splitting of OAM modes. OAM modes with different topological charges have different vortex splitting velocity in the atmospheric turbulence, it can be enhanced with the increase in Reynolds number.

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2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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