Extraordinary electromagnetic transmission through a circular aperture surrounded by surface corrugations

被引：2

作者：

Na, Dong Yeop ^{[1
]}

Kim, Ji Hyung ^{[1
]}

Park, Yong Bae ^{[1
]}

Jung, Kyung-Young ^{[2
]}

机构：

[1] Ajou Univ, Dept Elect & Comp Engn, Suwon 443749, South Korea

[2] Hanyang Univ, Dept Elect Engn, Seoul 133791, South Korea

来源：

IET MICROWAVES ANTENNAS & PROPAGATION | 2014年 / 8卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

eigenvalues and eigenfunctions; electromagnetic wave scattering; Hankel transforms; mode matching; corrugation geometries; radiated fields; transmission coefficient; boundary conditions; continuous mode; discrete mode; scattered fields; Hankel transform; eigenfunction expansion; mode matching method; conducting plane; electromagnetic boundary-value problem; surface corrugations; circular aperture; extraordinary electromagnetic transmission; ENHANCED MICROWAVE TRANSMISSION; LIGHT; THICK;

D O I：

10.1049/iet-map.2013.0391

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The authors investigate extraordinary electromagnetic transmission through a circular aperture surrounded by surface corrugations. An electromagnetic boundary-value problem of a circular aperture surrounded by surface corrugations in a conducting plane is solved based on the mode matching method. The eigenfunction expansion and Hankel transform are used to represent the scattered fields in terms of the discrete and continuous modes, respectively. The boundary conditions are enforced to obtain a set of simultaneous equations. The transmission coefficient and the radiated fields are represented in a fast-convergent series. Computation is performed to illustrate the behaviours of transmission and radiation against the corrugation geometries. The effects of the corrugation geometries on the extraordinary electromagnetic transmission are discussed.

引用

页码：145 / 157

页数：13

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