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
收藏
页码：16527 / 16534
页数：8
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