The Ag dielectric function in plasmonic metamaterials

被引：244

作者：

Drachev, Vladimir P. ^{[1
,2
]}

Chettiar, Uday K. ^{[1
,2
]}

Kildishev, Alexander V. ^{[1
,2
]}

Yuan, Hsiao-Kuan ^{[1
,2
]}

Cai, Wenshan ^{[1
,2
]}

Shalaev, Vladimir M. ^{[1
,2
]}

机构：

[1] Purdue Univ, Birck Nanotechnol Ctr, W Lafayette, IN 47907 USA

[2] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 02期

关键词：

D O I：

10.1364/OE.16.001186

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Ag permittivity (dielectric function) in coupled strips is different from bulk and has been studied for strips of various dimensions and surface roughness. Arrays of such paired strips exhibit the properties of metamagnetics. The surface roughness does not affect the Ag dielectric function, although it does increase the loss at the plasmon resonances of the coupled strips. The size effect in the imaginary part of the dielectric function is significant for both polarizations of light, parallel and perpendicular to the strips with relatively large A-parameter. (c) 2008 Optical Society of America.

引用

页码：1186 / 1195

页数：10

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