Scintillation of a partially coherent beam with pointing errors resulting from a slightly skewed underwater platform in oceanic turbulence

Cui Zongmin; Yue Peng; Yi Xiang; Li Jing

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Scintillation of a partially coherent beam with pointing errors resulting from a slightly skewed underwater platform in oceanic turbulence

机译：用略微偏斜的海洋湍流中的略微偏斜的水下平台产生部分相干光束的闪烁

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In this paper, we analyze the scintillation index of a partially coherent beam propagating through weak oceanic turbulence, taking into account the pointing errors attributed to the slightly skewed underwater platform. First, we formulate the longitudinal distance and the radial distance of an underwater optical wireless communication link according to the changes in the position and the posture of the platform. Then, we derive an expression for the scintillation index of a partially coherent beam propagating through weak oceanic turbulence. Finally, we obtain the scintillation index in view of the pointing errors attributed to the changes in the position and the posture of the platform. The numerical results show that the scintillation index is underestimated without considering the effects of the skewed underwater platform. Furthermore, compared with a coherent beam, a partially coherent beam may not always lead to smaller scintillation index in consideration of the pointing errors resulting from the skewed underwater platform. (C) 2019 Optical Society of America

机译：在本文中，我们分析了通过弱海洋湍流传播的部分相干光束的闪烁指数，考虑到稍微偏斜的水下平台归因于略偏斜的水下平台的指向误差。首先，我们根据平台的位置和姿势的变化制定纵向距离和水下光无线通信链路的径向距离。然后，我们推导出通过弱海洋湍流传播的部分相干光束的闪烁指数的表达。最后，考虑到归因于平台姿势的变化和姿势的指向误差，我们获得了闪烁索引。数值结果表明，在不考虑偏斜水下平台的影响的情况下低估了闪烁指数。此外，与相干光束相比，考虑到由偏斜的水下平台产生的指示误差，部分相干的光束可能并不总是导致较小的闪烁指数。（c）2019年光学学会

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《Applied optics》 |2019年第16期|共7页
作者
Cui Zongmin; Yue Peng; Yi Xiang; Li Jing;
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Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Shaanxi Peoples R China;

Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Shaanxi Peoples R China;

Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Shaanxi Peoples R China;

Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Shaanxi Peoples R China;

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Scintillation of a partially coherent beam with pointing errors resulting from a slightly skewed underwater platform in oceanic turbulence

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