Broadband resonant terahertz transmission in a composite metal-dielectric structure

被引：73

作者：

Han, Jiaguang ^{[1
,3
,4
]}

Gu, Jianqiang ^{[2
,3
,4
]}

Lu, Xinchao ^{[2
]}

He, Mingxie ^{[3
,4
]}

Xing, Qirong ^{[3
,4
]}

Zhang, Weili ^{[2
]}

机构：

[1] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

[2] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA

[3] Tianjin Univ, Ctr Terahertz Waves, Tianjin, Peoples R China

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

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 19期

关键词：

SUBWAVELENGTH-HOLE ARRAYS; FREQUENCIES;

D O I：

10.1364/OE.17.016527

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a systematic numerical study of a metal-dielectric-metal sandwich plasmonic structure for broadband resonant transmission at terahertz frequencies. The proposed structure consists of periodic slotted metallic arrays on both sides of a thin dielectric substrate and is demonstrated to exhibit a broad passband transmission response. Various design considerations have been investigated to exploit their influence on the transmission passband width and the center resonance frequency. The structure ensures a broadband transmission over a wide range of incident angles. (C) 2009 Optical Society of America

引用

页码：16527 / 16534

页数：8

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