Degeneracy in the diffraction of orbital angular momentum carrying beams

被引：2

作者：

Walla, Emily ^{[1
,2
,3
]}

Shaji, Chitra ^{[1
,4
]}

Vyas, Reeta ^{[1
]}

Singh, Surendra ^{[1
]}

机构：

[1] Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA

[2] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

[3] Univ Arizona, Dept Astron, Tucson, AZ 85721 USA

[4] Pondicherry Univ, Dept Phys, Pondicherry 605014, India

来源：

OPTICS LETTERS | 2018年 / 43卷 / 23期

基金：

美国国家科学基金会;

关键词：

SINGLE-SLIT DIFFRACTION; FRAUNHOFER-DIFFRACTION; PHASE; APERTURES; PATTERNS;

D O I：

10.1364/OL.43.005833

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Symmetry constraints on the far-field diffraction of Laguerre-Gauss vortex beams by planar aperture arrays with N-fold rotational symmetry are considered. The experiments reveal a simple structure for the diffraction pattern and high degree of degeneracy in its dependence on the orbital angular momentum index of the incident beam in agreement with analytical and numerical results. (C) 2018 Optical Society of America

引用

页码：5833 / 5836

页数：4

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