Diffraction of orbital angular momentum carrying optical beams by a circular aperture

被引：37
|
作者：
Ambuj, A. [1 ]
Vyas, R. [1 ]
Singh, S. [1 ]
机构：
[1] Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA
来源：
OPTICS LETTERS | 2014年 / 39卷 / 19期
关键词：
LAGUERRE-GAUSSIAN BEAMS; SINGLE-SLIT DIFFRACTION; SPIRAL PHASE PLATE; VORTEX BEAMS; SINGULARITY; INTERFERENCE; PARTICLES; PLANE; LIGHT; ORDER;
D O I：
10.1364/OL.39.005475
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Far field diffraction of Laguerre-Gauss vortex (LGV) beams of different angular momentum index by a circular aperture placed at different locations with respect to incident beam waist is studied experimentally. The experiments reveal a surprisingly simple structure for the diffraction pattern and its dependence on the orbital angular momentum index of the incident beam when the aperture size is small compared to the beam radius. (C) 2014 Optical Society of America
引用
收藏
页码：5475 / 5478
页数：4
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