Production of annular flat-topped vortex beams

被引：1
|
作者：
陈建农 [1 ]
于永江 [1 ]
王菲菲 [1 ]
机构：
[1] School of Physics,Ludong University
来源：
ChineseOpticsLetters | 2011年 / 9卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Production of annular flat-topped vortex beams; SLM; CGH;
D O I：
暂无
中图分类号：
TN241 [激光物理和基本理论];
学科分类号：
0702 ; 070207 ;
摘要：
A model of an annular flat-topped vortex beam based on multi-Gaussian superimposition is proposed.We experimentally produce this beam with a computer-generated hologram(CGH) displayed on a spatial light modulator(SLM).The power of the beam is concentrated on a single-ring structure and has an extremely strong radial intensity gradient.This beam facilitates various applications ranging from Sisyphus atom cooling to micro-particle trapping.
引用
收藏
页码：64 / 67
页数：4
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