Micromachined double-layer chiral metasurface

Wu Zhang; Meng Zhang; Jiahan Lin; Yanxiao Lin; Weiqian Chen; Zihuang Wang

doi:10.1117/12.2601927

24 November 2021 Micromachined double-layer chiral metasurface

Wu Zhang, Meng Zhang, Jiahan Lin, Yanxiao Lin, Weiqian Chen, Zihuang Wang

Proceedings Volume 12066, AOPC 2021: Micro-optics and MOEMS; 1206605 (2021) https://doi.org/10.1117/12.2601927
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

This paper reports the design of a double layer micromachined chiral metasurface. The cou-pling of the two layers can be tuned via shifting the unit cells of the top layer. The tunable metasurface has large optical activity in terahertz frequency range. Furthermore asymmetric transmission of 16% is also demonstrated in the numerical simulation. The rotation angle and asymmetry can be actively tuned through micromachined actuator.

Citation Download Citation

Wu Zhang, Meng Zhang, Jiahan Lin, Yanxiao Lin, Weiqian Chen, and Zihuang Wang "Micromachined double-layer chiral metasurface", Proc. SPIE 12066, AOPC 2021: Micro-optics and MOEMS, 1206605 (24 November 2021); https://doi.org/10.1117/12.2601927

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