Microwave transmission of a compound metal grating

被引：61

作者：

Hibbins, AP ^{[1
]}

Hooper, IR ^{[1
]}

Lockyear, MJ ^{[1
]}

Sambles, JR ^{[1
]}

机构：

[1] Univ Exeter, Sch Phys, Electromagnet Mat Grp, Exeter EX4 4QL, Devon, England

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 25期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.96.257402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An array of subwavelength slits in a metallic substrate supports a series of Fabry-Perot-like resonances, where each harmonic results in a transmission peak. Addition of extra slits per period yields a compound grating with a structure factor associated with the basis. In this study each repeat period is comprised of a central slit flanked by a pair of narrower slits. It supports three resonances for every Fabry-Perot-like solution. New and useful insight into this phenomenon is gained by describing each of the modes in terms of the band structure of diffractively coupled surface waves.

引用

页数：4

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