Transmission through and wave guidance on metal plates perforated by periodic arrays of through-holes of subwavelength coaxial cross-section

被引：8

作者：

Lomakin, Vitaliy ^{[1
]}

Li, Shuqing

Michielssen, Eric

机构：

[1] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA

[2] Univ Illinois, Dept Elect & Comp Engn, Urbana, IL 61801 USA

[3] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2007年 / 49卷 / 07期

关键词：

transmission; periodic grating; annular holes; coaxial holes; surface waves;

D O I：

10.1002/mop.22484

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：

Perfect electrically conducting (PEC) plates perforated by doubly periodic arrays of through-holes of subwavelength coaxial cross-section permit enhanced transmission of plane waves and support surface wave guidance. The transmission enhancement is attributed to coupling of free-space fields to TEM and TE11 modal fields in holes and occurs via two distinct mechanisms. The first couples incident fields to local resonances (cavity modes) supported by individual holes. The second couples scattered fields (diffraction modes) to global resonances (surface waves). The surface waves arise due to strong interactions between the holes and can have a large propagation wavenumber. The presented PEC model is adequate in the microwave and terahertz regimes and insights into related wave phenomena at optical frequencies. (C) 2007 Wiley Periodicals, Inc.

引用

页码：1554 / 1558

页数：5

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