Generation of Bessel beams from a diffractive ring lens

被引:12
|
作者
Xin, Jingtao [1 ]
Gao, Chunqing [1 ]
Liu, Yidong [2 ]
Li, Chen [1 ]
Dai, Kunjian [1 ]
Na, Quanxin [1 ]
机构
[1] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China
[2] Univ Elect Sci & Technol, Sch Elect, Chengdu 610054, Peoples R China
基金
美国国家科学基金会;
关键词
Ring lens; Bessel beams; Spatial light modulator;
D O I
10.1016/j.optcom.2013.07.025
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A method to generate a diffractive ring lens by a spatial light modulator is proposed. The diffractive ring lens is used to focus a Gaussian beam into single ring or multi-rings firstly. It was found that the transformed beam exhibits a Bessel transverse profile over the focal length, but the spot size is enlarged with the increase of propagation distance, allowing for generation Bessel beams with a ring lens. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:25 / 30
页数:6
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