Extraordinary optical transmission through hole arrays in optically thin metal films

被引：61

作者：

Rodrigo, Sergio G. ^{[1
,2
]}

Martin-Moreno, L. ^{[1
,2
]}

Nikitin, A. Yu. ^{[1
,2
,3
]}

Kats, A. V. ^{[3
]}

Spevak, I. S. ^{[3
]}

Garcia-Vidal, F. J. ^{[4
]}

机构：

[1] Univ Zaragoza, Inst Ciencia Mat Aragon, E-50009 Zaragoza, Spain

[2] Univ Zaragoza, Dept Fis Mat Condensada, CSIC, E-50009 Zaragoza, Spain

[3] Ukrainian Acad Sci, Dept Theoret Phys, A Ya Usikov Inst Radiophys & Elect, UA-61085 Kharkov, Ukraine

[4] Univ Autonoma Madrid, Dept Fis Teor Mat Condensada, E-28049 Madrid, Spain

来源：

OPTICS LETTERS | 2009年 / 34卷 / 01期

关键词：

ENHANCED TRANSMISSION; THICKNESS;

D O I：

10.1364/OL.34.000004

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A theoretical study is presented on the optical transmission through square hole arrays drilled in optically thin films, where transmission may occur through both the holes and the metal layer. It is shown that, as the thickness of the metal film decreases, the coupling of light with short-range surface plasmons redshifts the extraordinary optical transmission peak to longer wavelengths. At the same time, the maximum-to-minimum transmittance ratio is kept high even for metal thicknesses as small as one skin depth. (C) 2008 Optical Society of America

引用

页码：4 / 6

页数：3

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