A new method for generating a hollow Gaussian beam

被引：0
|
作者：
Cun Wei
Xingyuan Lu
Gaofeng Wu
Fei Wang
Yangjian Cai
机构：
[1] Soochow University,School of Physical Science and Technology
来源：
Applied Physics B | 2014年 / 115卷
关键词：
Gaussian Beam; Thin Lens; Spiral Phase; Azimuthal Index; Normalize Intensity Distribution;
D O I：
暂无
中图分类号：
学科分类号：
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.
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页码：55 / 60
页数：5
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