The optical near-field of gold nanoparticle chains

被引：60
作者：
Salerno, M
Krenn, JR [1 ]
Hohenau, A
Ditlbacher, H
Schider, G
Leitner, A
Aussenegg, FR
机构：
[1] INFM, Natl Ctr, NNL, I-73100 Lecce, Italy
[2] Karl Franzens Univ Graz, Inst Phys, A-8010 Graz, Austria
[3] Karl Franzens Univ Graz, Erwin Schrodinger Inst Nanoscale Res, A-8010 Graz, Austria
来源：
OPTICS COMMUNICATIONS | 2005年 / 248卷 / 4-6期
基金：
奥地利科学基金会;
关键词：
optical properties of specific thin films; surfaces; low-dimensional structures; polaritons; near-field scanning optical microscopes;
D O I：
10.1016/j.optcom.2004.12.023
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on scanning near-field optical microscopy of one-dimensional chains of gold nanoparticles which are optically excited at their particle plasmon frequency under total internal reflection. Shape and mutual distance of the nanoparticles are tailored by lithographic fabrication. We show that the optical near-field profiles are determined by two contributions. First, the particle plasmon near-field and second, interference patterns due to the interaction of the exciting light wave and diffracted radiative grating orders. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：543 / 549
页数：7
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