Switchable Pancharatnam-Berry microlens array with nano-imprinted liquid crystal alignment

被引：77
|
作者：
He, Ziqian [1 ]
Lee, Yun-Han [1 ]
Chen, Ran [1 ]
Chanda, Debashis [1 ,2 ,3 ]
Wu, Shin-Tson [1 ]
机构：
[1] Univ Cent Florida, Coll Opt & Photon, Orlando, FL 32816 USA
[2] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA
[3] Univ Cent Florida, NanoSci Technol Ctr, Orlando, FL 32826 USA
来源：
OPTICS LETTERS | 2018年 / 43卷 / 20期
基金：
美国国家科学基金会;
关键词：
2-PHOTON POLYMERIZATION; HIGH-RESOLUTION; LENS; OPTICS;
D O I：
10.1364/OL.43.005062
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a rapid nano-imprinting technique to pattern the liquid crystal alignment of a Pancharatnam-Berry phase microlens array. Through implementing a single-side aligned cell, we demonstrate a switchable microlens array with fast response time and low operation voltage. Further investigation of focusing property as well as imaging capability ensure the good quality of the microlens array. Besides planar structures, this method is also promising for patterning liquid crystal alignment on curvilinear surfaces. (c) 2018 Optical Society of America
引用
收藏
页码：5062 / 5065
页数：4
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