Propagation factors of cosine-Gaussian-correlated Schell-model beams in non-Kolmogorov turbulence

被引：40

作者：

Xu, Hua-Feng ^{[1
,2
]}

Zhang, Zhou ^{[1
]}

Qu, Jun ^{[3
]}

Huang, Wei ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Lab Atmospher Phys Chem, Hefei 230031, Anhui, Peoples R China

[2] Univ Sci & Technol China, Sch Environm Sci & Optoelect Technol, Hefei 230026, Anhui, Peoples R China

[3] Anhui Normal Univ, Dept Phys, Wuhu 241000, Anhui, Peoples R China

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 19期

基金：

中国国家自然科学基金;

关键词：

PARTIALLY COHERENT BEAMS; FLAT-TOPPED BEAMS; ATMOSPHERIC-TURBULENCE; EXPERIMENTAL GENERATION; LIGHT-BEAMS; VORTEX BEAM; FREE-SPACE; SCINTILLATION; STATISTICS;

D O I：

10.1364/OE.22.022479

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Based on the extended Huygens-Fresnel principle and second-order moments of the Wigner distribution function (WDF), we have studied the relative root-mean-square (rms) angular width and the propagation factor of cosine-Gaussian-correlated Schell-model (CGSM) beams propagating in non-Kolmogorov turbulence. It has been found that the CGSM beam has advantage over the Gaussian Schell-model (GSM) beam for reducing the turbulence-induced degradation, and this advantage will be more obvious for the beams with larger parameter n and spatial coherence delta or under the condition of stronger fluctuation of turbulence. The CGSM beam with larger parameter n or smaller spatial coherence delta will be less affected by the turbulence. In addition, the effects of the slope-parameter alpha, inner and outer scale and the refractive-index structure constant of the non-Kolmogorov's power spectrum on the propagation factor are also analyzed in detailed. (C) 2014 Optical Society of America

引用

页码：22479 / 22489

页数：11

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