Orbital-Angular-Momentum Mode Selection by Rotationally Symmetric Superposition of Chiral States with Application to Electron Vortex Beams

被引：82

作者：

Yang, Yuanjie ^{[1
,2
]}

Thirunavukkarasu, G. ^{[1
]}

Babiker, M. ^{[1
]}

Yuan, Jun ^{[1
]}

机构：

[1] Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England

[2] Univ Elect Sci & Technol China, Sch Astronaut & Aeronaut, Chengdu 611731, Sichuan, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 119卷 / 09期

基金：

英国工程与自然科学研究理事会; 中国国家自然科学基金;

关键词：

OPTICAL VORTICES; GENERATION; LIGHT; ARRAYS; PLATES;

D O I：

10.1103/PhysRevLett.119.094802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A general orbital-angular-momentum (OAM) mode selection principle is put forward involving the rotationally symmetric superposition of chiral states. This principle is not only capable of explaining the operation of vortex generating elements such as spiral zone plate holograms, but more importantly, it enables the systematic and flexible generation of structured OAM waves in general. This is demonstrated both experimentally and theoretically in the context of electron vortex beams using rotationally symmetric binary amplitude chiral sieve masks.

引用

页数：5

共 36 条

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