通过包含层状双曲超材料的光子异质结构实现宽入射角范围内的完美光学吸收体。

Perfect optical absorbers in a wide range of incidence by photonic heterostructures containing layered hyperbolic metamaterials.

作者信息

Lu Guang, Wu Feng, Zheng Minjia, Chen Chaoxin, Zhou Xiachen, Diao Chao, Liu Fen, Du Guiqiang, Xue Chunhua, Jiang Haitao, Chen Hong

出版信息

Opt Express. 2019 Feb 18;27(4):5326-5336. doi: 10.1364/OE.27.005326.

DOI:10.1364/OE.27.005326

PMID:30876132

Abstract

We theoretically and experimentally investigate the wide-angle perfect absorptance in a photonic heterostructure composed of a metal film and a truncated photonic crystal (PC) with layered hyperbolic metamaterials (HMMs) in the near ultraviolet and visible regions. The wide-angle perfect optical absorption depends on the dispersionless Tamm plasmon polarition (TPP) under TM polarization, which originates from reflection phase compensation condition between the metal and the truncated PC with HMMs. Our experimental results show nearly perfect absorptance over 0.91 in an angle range of 0-45 degree, which facilitates the design of perfect optical absorbers working in a wide angle range.

摘要

我们在理论和实验上研究了由金属薄膜和具有层状双曲超材料（HMM）的截断光子晶体（PC）组成的光子异质结构在近紫外和可见光区域的广角完美吸收率。广角完美光吸收取决于TM偏振下的无色散塔姆表面等离激元极化激元（TPP），它源于金属与带有HMM的截断PC之间的反射相位补偿条件。我们的实验结果表明，在0至45度的角度范围内吸收率接近0.91，这有助于设计在宽角度范围内工作的完美光吸收器。