Production of annular flat-topped vortex beams

被引：10

作者：

Chen, Jiannong ^{[1
]}

Yu, Yongjiang ^{[1
]}

Wang, Feifei ^{[1
]}

机构：

[1] Ludong Univ, Sch Phys, Yantai 264025, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2011年 / 9卷 / 01期

基金：

中国国家自然科学基金;

关键词：

ORBITAL ANGULAR-MOMENTUM; COMPUTER-GENERATED HOLOGRAMS; HOLLOW OPTICAL-FIBERS; GAUSSIAN LASER MODES; ATOM TRAP; LIGHT; WAVES;

D O I：

10.3788/COL201109.011402

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

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

页数：4

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