Manifestation of the rotational Doppler effect by use of an off-axis optical vortex beam

被引:62
|
作者
Basistiy, IV
Slyusar, VV
Soskin, MS
Vasnetsov, MV
Bekshaev, AY
机构
[1] Natl Acad Sci Ukraine, Inst Phys, UA-03028 Kiev, Ukraine
[2] Odessa Natl Univ, UA-65026 Odessa, Ukraine
关键词
D O I
10.1364/OL.28.001185
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report what is to our knowledge the first all-optical detection of the frequency beats between Gaussian and Laguerre-Gaussian LG(0)(1) modes in their axial superposition, caused by the rotational Doppler effect. The relation between the observable off-axis optical vortex rotation and the rotational frequency shift of the Laguerre-Gaussian component is ascertained. The results can be used as a physical basis for recognition of Laguerre-Gaussian mode spectra along their orbital angular momenta. (C) 2003 Optical Society of America.
引用
收藏
页码:1185 / 1187
页数:3
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