Full-Stokes polarization imaging based on liquid crystal variable retarders and metallic nanograting arrays

被引：3
|
作者：
Xu, Canhua [1 ]
Ma, Jing [1 ]
Ke, Chaozhen [1 ]
Huang, Yantang [1 ]
Zeng, Zhiping [1 ]
Weng, Weixiang [1 ]
Shen, Lituo [1 ]
Wang, Kangjun [2 ]
机构：
[1] Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Fujian, Peoples R China
[2] Aunion Tech Co Ltd, 86 Caobao Rd, Shanghai 200235, Peoples R China
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2020年 / 53卷 / 01期
基金：
中国国家自然科学基金;
关键词：
imaging polarimetry; full-Stokes; division of focal plane; FEMTOSECOND LASER; POLARIMETRIC IMAGER; DIVISION; CAMERA; LIGHT; OPTIMIZATION; MATRIX; FIELD;
D O I：
10.1088/1361-6463/ab4ba0
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A full-Stokes polarization imaging method was introduced by using a liquid crystal variable retarder (LCVR) and the metallic nanograting arrays. The linear polarization was detected based on the dichroic transmission of the metallic nanograting. The circular polarization was retrieved from two successive measurements with different retardance or orientation of LCVR. The determinant of data retrieve matrix was analyzed for the LCVR optimization. A full-Stokes imaging setup was built, calibrated, and proof-of-principle verified through imaging of radially polarized beams.
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页数：6
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