Propagation properties of partially coherent four-petal Gaussian vortex beams in oceanic turbulence

被引：25

作者：

Liu, Dajun ^{[1
]}

Wang, Yaochuan ^{[1
]}

Wang, Guiqiu ^{[1
]}

Luo, Xixian ^{[1
]}

Yin, Hongming ^{[1
]}

机构：

[1] Dalian Maritime Univ, Dept Phys, Dalian 116026, Peoples R China

来源：

LASER PHYSICS | 2017年 / 27卷 / 01期

基金：

中国国家自然科学基金;

关键词：

partially coherent four-petal Gaussian vortex beam; oceanic turbulence; average intensity; ARRAY BEAMS;

D O I：

10.1088/1555-6611/27/1/016001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Based on the extended Huygens-Fresnel principle, the analytical expressions for partially coherent four-petal Gaussian vortex beams propagating in oceanic turbulence are obtained, and the influence of the coherence length, beam order N, topological charge M and oceanic turbulence parameters on the evolution properties of beams are discussed in detail using numerical examples. The results show that the beam will evolve into a Gauss-like beam rapidly with decreasing coherence length sigma and oceanic parameters zeta and epsilon, or increasing oceanic parameter chi(T) in the far field due to the influence of the coherence length and oceanic turbulence.

引用

页数：8

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