Scintillation properties of dark hollow beams in a weak turbulent atmosphere

被引：76

作者：

Chen, Y. ^{[2
]}

Cai, Y. ^{[1
]}

Eyyuboglu, H. T. ^{[3
]}

Baykal, Y. ^{[3
]}

机构：

[1] Univ Erlangen Nurnberg, Inst Opt Informat & Photon, Max Planck Res Grp, D-91058 Erlangen, Germany

[2] Zhejiang Univ, Dept Opt Engn, Hangzhou 310027, Peoples R China

[3] Cankaya Univ, Dept Elect & Commun Engn, TR-06530 Ankara, Turkey

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2008年 / 90卷 / 01期

关键词：

D O I：

10.1007/s00340-007-2825-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The on-axis scintillation index for a circular dark hollow beam (DHB) propagating in a weak turbulent atmosphere is formulated, and the scintillation properties of a DHB are investigated in detail. The scintillation index for a DHB reduces to the scintillation index for a Gaussian beam, an annular beam and a flat-topped beam under certain conditions. It is found that the scintillation index of a DHB is closely related to the beam parameters and can be lower than that of a Gaussian beam, an annular beam and a flat-topped beam in a weak turbulent atmosphere at smaller waist sizes and longer propagation lengths.

引用

页码：87 / 92

页数：6

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