Controllable multi-sector array beams

被引：7
|
作者：
Liu, Mengsi [1 ]
Liu, Shuo [1 ]
Liu, Xuejuan [2 ]
Xia, Tian [3 ]
Gao, Shufang [1 ,4 ]
Jin, Yuanyuan [1 ]
Xu, Yiping [1 ]
Cheng, Shubo [1 ]
Tao, Shaohua [3 ]
机构：
[1] Yangtze Univ, Sch Phys & Optoelect Engn, Jingzhou 434023, Hubei, Peoples R China
[2] Chengdu Normal Univ, Coll Phys & Engn, Chengdu 611130, Sichuan, Peoples R China
[3] Cent South Univ, Sch Phys & Elect, Changsha 410083, Hunan, Peoples R China
[4] Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
来源：
OPTICS LETTERS | 2022年 / 47卷 / 16期
基金：
中国国家自然科学基金;
关键词：
VORTEX BEAM; GENERATION; DRIVEN;
D O I：
10.1364/OL.463447
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A controllable multi-sector array beam is proposed in this Letter. The beam can be generated with the metalens phase. The intensity distribution of the beam at the focal plane is analyzed in detail. The influence of the parameters a and l on the focal field distribution is discussed. The theoretical and experimental results demonstrate that the parameter a affects the size of the beam, and the additional factor l can adjust the sub-region number of the multi-sector array beams. The beam shows potential for use in optical manipulation and image transmission. (C) 2022 Optica Publishing Group
引用
收藏
页码：4028 / 4031
页数：4
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