Invisibility concentrator based on van der Waals semiconductor α-MoO3
Invisibility concentrator based on van der Waals semiconductor α-MoO3
复制标题
基于范德华半导体α-MoO3的隐形聚光器
DOI:
10.1515/nanoph-2021-0557
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发表时间:
2021-11
期刊:
影响因子:
7.5
通讯作者:
Huanyang Chen
中科院分区:
文献类型:
--
作者:
Tao Hou;Sicen Tao;Haoran Mu;Qiaoliang Bao;Huanyang Chen
Abstract. By combining transformation optics and van der Waals layered materials, an invisibility concentrator with a thin layer of α-MoO3 wrapping around a cylinder is proposed. It inherits the effects of invisibility and energy concentration at Fabry–Pérot resonance frequencies, with tiny scattering. Due to the natural in-plane hyperbolicity in α-MoO3, the challenges of experimental complexity and infinite dielectric constant can be resolved perfectly. Through analytical calculation and numerical simulations, the relevant functionalities including invisibility, energy concentration and illusion effect of the designed device are confirmed, which provides guidelines for the subsequent experimental verification in future.
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