Propagation of partially coherent double-vortex beams in turbulent atmosphere |
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| Authors: | Guijuan Fang Wenyue Zhu Xueqiong Chen Jixiong Pu |
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| Institution: | 1. Key Laboratory of Atmospheric Composition and Optical Radiation, Chinese Academy of Sciences, Hefei 230031, China;2. College of Physics and Electromechanical Engineering, Sanming University, Sanming Fujian 365004, China;3. College of Information Science & Engineering, Huaqiao University, Xiamen, Fujian 361021, China |
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| Abstract: | Based on the extended Huygens–Fresnel principle, we study the propagation properties of partially coherent double-vortex beams in turbulent atmosphere. The intensity distribution of the beams on propagation and the influence of the characteristic parameters are investigated in great detail. It is shown that when the beams propagate in turbulent atmosphere, the intensity distributions are of double-ring structure near the source plane, but they will experience change, which are determined by the topological charges, the spatial coherence, source beam width and atmospheric turbulence. These results may have applications in space optical communication. |
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