Broadband high-efficiency reflective LTC polarization converter with temperature control in the visible range

被引：0
|
作者：
Xie, Wanli [1 ,2 ]
Luo, Qingpeng [1 ,2 ]
Kong, Weijin [1 ,2 ]
Yun, Maojin [1 ,2 ]
机构：
[1] Qingdao Univ, Ctr Marine Observat & Commun, Coll Phys, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Key Lab Photon Mat & Technol, Univ Shandong, Qingdao 266701, Peoples R China
来源：
NANOPHOTONICS AND MICRO/NANO OPTICS VII | 2021年 / 11903卷
基金：
中国国家自然科学基金;
关键词：
polarization conversion; visible range; temperature control; METAMATERIAL;
D O I：
10.1117/12.2600549
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In practical applications, the linear to circular (LTC) polarization conversion of electromagnetic waves is of great significance. In this work, we designed a broadband high-efficiency reflective LTC polarization converter with temperature control in the visible range. Each periodic unit of the LTC polarization converter is composed of a gold mirror, a dielectric layer, a wide L-shaped gold plate and a narrow anti-L-shaped VO2 strip. The results show that the conversion efficiency can reach 0.9 in the visible range, and the switch of polarization converter can be controlled by VO2. The linear to circular polarization converter has potential applications in stealth technology, electromagnetic measurement.
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页数：6
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