Propagation of anomalous vortex beams through an annular apertured paraxial ABCD optical system

被引:14
|
作者
Yuan, Yiping [1 ]
Yang, Yuanjie [1 ]
机构
[1] Univ Elect Sci & Technol China, Sch Aeronaut & Astronaut, Chengdu 611731, Sichuan, Peoples R China
基金
中国国家自然科学基金;
关键词
Anomalous vortex beam; Annular aperture; ABCD optical system; Intensity distribution; ORBITAL ANGULAR-MOMENTUM; GAUSSIAN BEAMS; BESSEL-GAUSS; LIGHT-BEAMS; GENERATION; TWEEZERS; MODES;
D O I
10.1007/s11082-014-0105-y
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A new form of laser beam, called anomalous vortex beam (AVB), has been proposed recently. Here we study the propagation characteristics of the AVB passing through a paraxial ABCD optical system with an annular aperture. The approximate analytical expressions are derived based on the Collins integral formula. Some numerical examples are given to illustrate the intensity distribution of the AVB through a paraxial ABCD optical system with an annular aperture. It is shown that the field distribution depends on the topological charge , the waist , and the width of annular aperture.
引用
收藏
页码:2289 / 2297
页数:9
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