Ruler equation for precisely tailoring the resonance frequency of terahertz U-shaped metamaterials

被引：17

作者：

Yin, Shan ^{[1
]}

Hu, Fangrong ^{[1
]}

Chen, Xieyu ^{[2
,3
]}

Han, Jiaguang ^{[2
,3
]}

Chen, Tao ^{[1
]}

Xiong, Xianming ^{[1
]}

Zhang, Wentao ^{[1
]}

机构：

[1] Guilin Univ Elect Technol, Guangxi Key Lab Optoelect Informat Proc, Guilin 541004, Peoples R China

[2] Tianjin Univ, Ctr Terahertz Waves, Tianjin 300072, Peoples R China

[3] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China

来源：

JOURNAL OF OPTICS | 2019年 / 21卷 / 02期

基金：

中国国家自然科学基金;

关键词：

metamaterials; terahertz; surface plasmon; BROAD-BAND; ANTENNAS; ARRAYS;

D O I：

10.1088/2040-8986/aafd86

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Artificially controlling the spectral response of metamaterials is important for the applications of functional devices. Here, we identify a simple ruler equation for describing the direct relation between the resonance frequencies and geometric parameters in terahertz metamaterials, which can accurately predetermine the eigenmode resonance frequencies of U-shaped metamaterials. Utilizing this ruler equation, we demonstrate the switching of the multi-band resonator which can be customized to work at expectant frequency bands. This ruler equation provides a practical guidance on tailoring the resonance frequency and paves the way for the development of metamaterial-based terahertz functional devices.

引用

页数：6

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