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摘要:
By introducing the hyperbolic sine function to Airy beam,the dynamic behavior and propagation characteristics of par-tially coherent sinh-Airy beams in oceanic turbulence are studied using approximate analytical intensity expression.The influence of sinh modulation parameter,coherence length and ocean parameters on intensity evolution,beam width and kurtosis parameter is mainly discussed.The results show that a non-zero sinh modulation parameter presents not only the insensitivity to oceanic turbulence,but a smaller beam width.Furthermore,it also improves kurtosis parameter.These findings bring advantages in signal reception for long distance.In addition,a larger relative intensity of temperature or salinity fluctuations,mean square temperature dissipation rate,or a smaller dissipation rate of turbulence kinetic energy is more liable to increase beam width,or decrease intensity and kurtosis parameter of partially coherent sinh-Airy beams.The results provide an opportunity for improving signal reception of underwater communication or target detection by Airy beams or their groups.
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篇名 Dynamical behavior and propagation characteristic of partially coherent sinh-Airy beams in oceanic turbulence
来源期刊 光电子快报(英文版) 学科
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年,卷(期) 2021,(1) 所属期刊栏目 Optical Physics
研究方向 页码范围 59-64
页数 6页 分类号
字数 语种 英文
DOI 10.1007/s11801-021-9203-9
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光电子快报(英文版)
双月刊
1673-1905
12-1370/TN
16开
天津市南开区红旗南路263号
2005
eng
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1956
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