Experimental evaluation of reflectance of surface plasmon polaritons at metal step barrier

被引：3

作者：

Okamoto, T ^{[1
]}

Kakutani, K ^{[1
]}

Yoshizaki, T ^{[1
]}

Haraguchi, M ^{[1
]}

Fukui, M ^{[1
]}

机构：

[1] Univ Tokushima, Fac Engn, Dept Opt Sci & Technol, Tokushima 7708506, Japan

来源：

SURFACE SCIENCE | 2003年 / 544卷 / 01期

关键词：

plasmons; polaritons; metallic surfaces;

D O I：

10.1016/j.susc.2003.08.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have proposed a way to evaluate the reflectance of surface plasmon polaritons (SPP) at a Ag step barrier from an experiment using the attenuated total reflection structure consisting of ultra-thin metal films sandwiched by dielectrics with nearly identical refractive index. At a wavelength of 632.8 nm, for a long-range SPP (L-SPP) excited in a Ag film of 5.7 nm in thickness, the reflectance at Ag step barriers of 766 nm in height was evaluated to be 7.9 x 10(-2). (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：67 / 73

页数：7

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