Tunable polarization singularity array enabled using superposition of vector curvilinear beams

被引：18
作者：
Chang, Chenliang [1 ,2 ]
Li, Lin [3 ]
Gao, Yuan [1 ,2 ]
Nie, Shouping [3 ]
Ren, Zhi-Cheng [1 ,2 ]
Ding, Jianping [1 ,2 ,4 ,5 ]
Wang, Hui-Tian [1 ,2 ]
机构：
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[2] Nanjing Univ, Sch Phys, Nanjing 210093, Jiangsu, Peoples R China
[3] Nanjing Normal Univ, Sch Phys & Technol, Jiangsu Key Lab Optoelect Technol, Nanjing 210023, Jiangsu, Peoples R China
[4] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[5] Nanjing Univ, Collaborat Innovat Ctr Solid State Lighting & Ene, Nanjing 210093, Jiangsu, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2019年 / 114卷 / 04期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
SIMULTANEOUS GENERATION; VORTICES; FIELDS; LIGHT;
D O I：
10.1063/1.5082842
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, we present an approach for creating a polarization singularity array (PSA) along a curvilinear structure by exploring a scheme of coaxially superposing pre-designed component vector beams. Each component vector beam independently and azimuthally modulates inhomogeneous polarization distribution based on a combination of holographic beam shaping techniques and vector beam generation schemes such that the polarization singularity lattice arranged in a tunable curvilinear structure and locations appear after the superposition of component vector beams. The proposed PSA is proven optically in the vector beam generator system, which is based on a multiplex computer-generated hologram. Published under license by AIP Publishing.
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页数：5
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