A new method for generating a hollow Gaussian beam

被引：36

作者：

Wei, Cun ^{[1
]}

Lu, Xingyuan ^{[1
]}

Wu, Gaofeng ^{[1
]}

Wang, Fei ^{[1
]}

Cai, Yangjian ^{[1
]}

机构：

[1] Suzhou Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2014年 / 115卷 / 01期

基金：

中国国家自然科学基金;

关键词：

NONPARAXIAL PROPAGATION; PHASE SINGULARITIES; COHERENT; MODES; PATTERNS;

D O I：

10.1007/s00340-013-5572-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Hollow Gaussian beam (HGB) was introduced 10 years ago (Cai et al. in Opt Lett 28:1084, 2003). In this paper, we introduce a new method for generating a HGB through transforming a Laguerre-Gaussian beam with radial index 0 and azimuthal index l into a HGB with mode n = l/2. Furthermore, we report experimental generation of a HGB based on the proposed method, and we carry out experimental study of the focusing properties of the generated HGB. Our experimental results agree well with the theoretical predictions.

引用

页码：55 / 60

页数：6

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