Sorting and detecting orbital angular momentum states by using a Dove prism embedded Mach-Zehnder interferometer and amplitude gratings

被引：39
|
作者：
Gao, Chunqing [1 ]
Qi, Xiaoqing [1 ]
Liu, Yidong [1 ]
Xin, Jingtao [1 ]
Wang, Lei [1 ]
机构：
[1] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2011年 / 284卷 / 01期
基金：
美国国家科学基金会;
关键词：
Helical beams; Sorting; Orbital angular momentum state; HELICAL BEAMS; LIGHT-BEAMS; SUPERPOSITION;
D O I：
10.1016/j.optcom.2010.08.083
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An experimental system consisting of a Dove prism embedded Mach-Zehnder (M-Z) interferometer and two gratings was built to sort and detect orbital angular momentum (DAM) states of light beams. The helical beams with different OAM states were generated by propagating the fundamental-mode Gaussian beam through a spatial light modulator. The Dove prism embedded M-Z interferometer was used to sort helical beams with odd or even OAM number and two binary amplitude gratings were used to measure the OAM states. Sorting of coaxially-superposed coherent and incoherent helical beams with odd and even DAM states was realized in the experiment. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：48 / 51
页数：4
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