Generation of cylindrical vector vortex beams with high purity by using cascaded all-dielectric metasurfaces

被引：0
|
作者：
Zhang, Xiaodong [1 ,2 ,3 ]
Wu, Xinpeng [1 ]
Zhang, Jili [1 ]
Zhao, Yu [1 ]
Ma, Ningtao [1 ]
Mu, Qiyuan [4 ]
机构：
[1] Zhengzhou Univ Light Ind, Sch Phys & Elect Engn, Zhengzhou 450002, Peoples R China
[2] Zhengzhou Univ Light Industy, Henan Key Lab Magnetoelectron Informat Funct Mat, Zhengzhou 450002, Peoples R China
[3] Zhengzhou Univ Light Ind, Zhengzhou Key Lab Informat Opt & Photoelect Techno, Zhengzhou 450002, Peoples R China
[4] Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2023年 / 25卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Cascaded metasurfaces; Vortex beam; Vector beam;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we propose an efficient approach to generate cylindrical vector vortex beams by cascading the three all-dielectric metasurfaces. The cascaded metasurfaces are composed of 21x21 array units, operate at 1550 nm and are capable of generating the cylindrical vector vortex beams with topological charges of +/- 1 and polarization orders of +/- 1 under the incidence of circularly polarized light. Mode purity of the cylindrical vector vortex beam is 81.71% calculated by numerical simulation. Our design has characteristics of high purity, compact and easy-fabrication and may be a potential candidate in integrated optical system in future.
引用
收藏
页码：14 / 23
页数：10
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