Observation of the orbital angular momentum spectrum of a light beam

被引：89
|
作者：
Vasnetsov, MV [1 ]
Torres, JP
Petrov, DV
Torner, L
机构：
[1] Univ Politecn Catalunya, ICFO, Inst Ciencies Foton, ES-08034 Barcelona, Spain
[2] Univ Politecn Catalunya, Dept Signal Theory & Commun, ES-08034 Barcelona, Spain
[3] Natl Acad Sci Ukraine, Inst Phys, UA-03039 Kiev, Ukraine
来源：
OPTICS LETTERS | 2003年 / 28卷 / 23期
关键词：
D O I：
10.1364/OL.28.002285
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate an experimental scheme that allows the elucidation of the orbital angular momentum discrete spectrum of an arbitrary light signal. The orbital angular momentum spectrum is represented in a Laguerre-Gaussian mode base, and the spectral components are resolved in the frequency domain by exploiting the Doppler frequency shift that is imparted to rotating light beams. (C) 2003 Optical Society of America.
引用
收藏
页码：2285 / 2287
页数：3
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