A multi-band spoof surface plasmon polariton coupling metasurface based on dispersion engineering

被引：11

作者：

Dong, Guoxiang ^{[1
,2
]}

Shi, Hongyu ^{[1
]}

Li, Wei ^{[2
]}

He, Yuchen ^{[1
,2
]}

Zhang, Anxue ^{[1
]}

Xu, Zhuo ^{[2
]}

Wei, Xiaoyong ^{[2
]}

Xia, Song ^{[2
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China

[2] Xi An Jiao Tong Univ, Minist Educ, Key Lab, Elect Mat Res Lab, Xian 710049, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2016年 / 120卷 / 08期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

PHASE DISCONTINUITIES; BROAD-BAND; ANOMALOUS REFLECTION; LIGHT-PROPAGATION; META-SURFACES; REFRACTION; OPTICS; WAVES;

D O I：

10.1063/1.4961600

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We propose a metasurface to achieve multi-band helicity dependent directional spoof surface plasmon polaritons (SPPs) coupling for circular polarized light in the microwave range. Our work shows that the coupling frequencies of spoof SPPs on the gradient metasurface are related to the dispersion relations of the metasurface, which indicate the desired coupling frequency can be manipulated by dispersion engineering. The proposed metasurface has counter-directional phase gradients for different helicity incidents and possesses multiple different dispersion relations by carefully designing the geometric parameters of each unit, which leads to the multi-band helicity-controlled directional spoof SPPs coupling. Both the simulation and experiment show that the multi-band helicity-controlled directional spoof SPPs coupling is achieved with a high efficiency. Published by AIP Publishing.

引用

页数：8

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