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

Wanli Xie; Qingpeng Luo; Weijin Kong

doi:10.1117/12.2600549

9 October 2021 Broadband high-efficiency reflective LTC polarization converter with temperature control in the visible range

Wanli Xie, Qingpeng Luo, Weijin Kong

Author Affiliations +

Proceedings Volume 11903, Nanophotonics and Micro/Nano Optics VII; 119030X (2021) https://doi.org/10.1117/12.2600549
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

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.

Citation Download Citation

Wanli Xie, Qingpeng Luo, and Weijin Kong "Broadband high-efficiency reflective LTC polarization converter with temperature control in the visible range", Proc. SPIE 11903, Nanophotonics and Micro/Nano Optics VII, 119030X (9 October 2021); https://doi.org/10.1117/12.2600549

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