Polarization-sensitive microelectromechanical systems based tunable terahertz metamaterials using three dimensional electric split-ring resonator arrays

被引：49

作者：

Ma, Fusheng ^{[1
]}

Qian, You ^{[1
]}

Lin, Yu-Sheng ^{[1
]}

Liu, Hongwei ^{[2
]}

Zhang, Xinhai ^{[2
]}

Liu, Zhen ^{[1
]}

Tsai, Julius Ming-Lin ^{[1
,3
]}

Lee, Chengkuo ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117548, Singapore

[2] ASTAR, Inst Mat Res & Engn, Singapore, Singapore

[3] ASTAR, Inst Microelect, Singapore, Singapore

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 16期

基金：

新加坡国家研究基金会;

关键词：

NEGATIVE-INDEX; NANOPARTICLES;

D O I：

10.1063/1.4803048

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present the design, simulation, fabrication, and characterization of structurally reconfigurable metamaterials showing terahertz frequency tunability with a polarization-sensitivity. The proposed metamaterial structures employ deformable microelectromechanical system based curved cantilevers for tuning the resonance frequency of the electric split-ring resonators. The resonance frequency is observed to be either tunable or non-tunable with the electric field of the incident wave, which is perpendicular or parallel to the split gap of the electric split-ring resonators. This polarization-sensitive characteristic has been demonstrated by both the electromagnetic simulation and the experimental measurement. The observed polarization-sensitive tunability could be used for the development of polarization sensitive and insensitive THz polarimetric devices. (C) 2013 AIP Publishing LLC [http://dx.doi.org/10.1063/1.4803048]

引用

页数：5

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