Broadband resonant terahertz transmission in a composite metal-dielectric structure | Zendy

Jiaguang Han | Zendy; Jianqiang Gu | Zendy; Xinchao Lu | Zendy; Mingxie He | Zendy; Qirong Xing | Zendy; Weili Zhang | Zendy

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Broadband resonant terahertz transmission in a composite metal-dielectric structure

Author(s) -

Jiaguang Han,

Jianqiang Gu,

Xinchao Lu,

Mingxie He,

Qirong Xing,

Weili Zhang

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.016527

Subject(s) - passband , terahertz radiation , optics , materials science , broadband , dielectric , transmission (telecommunications) , optoelectronics , plasmon , resonance (particle physics) , band pass filter , telecommunications , physics , particle physics , computer science

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.

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