Abstract
Based on the extended Huygens–Fresnel principle and Wigner distribution function (WDF), the influence of anisotropic ocean turbulence on effective radius of curvature (ERC) for partially coherent Hermite–Gaussian (PCHG) beams is studied in detail. Our numerical results show that the beam orders and the anisotropic ocean turbulence factors have a certain influence on ERC of PCHG beams propagating in anisotropic ocean turbulence. Besides, ocean turbulence parameters and beam initial parameters would exert different influence on ERC of PCHG beams propagating in anisotropic ocean turbulence. In addition, Rayleigh range of PCHG beams propagating in anisotropic ocean turbulence decreases with increasing anisotropic ocean turbulence factors. These findings may be used for anisotropic ocean optical communications of PCHG beams.
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