Strong near-field optical localization on an array of gold nanodisks

被引：13

作者：

Aigouy, Lionel ^{[1
]}

Prieto, P. ^{[2
]}

Vitrey, A. ^{[2
]}

Anguita, J. ^{[2
]}

Cebollada, A. ^{[2
]}

Gonzalez, M. U. ^{[2
]}

Garcia-Martin, A. ^{[2
]}

Labeguerie-Egea, J. ^{[3
]}

Mortier, M. ^{[3
]}

机构：

[1] Ecole Super Phys & Chim Ind Ville Paris, UMR CNRS 8213, Lab Phys & Etud Mat, F-75231 Paris 5, France

[2] PTM, IMM CNM CSIC, E-28760 Madrid, Spain

[3] Ecole Super Phys & Chim Ind Ville Paris, UMR CNRS 7574, Lab Chim Mat Condensee Paris, F-75231 Paris 5, France

来源：

JOURNAL OF APPLIED PHYSICS | 2011年 / 110卷 / 04期

关键词：

NANOPARTICLE ARRAYS; PLASMON RESONANCES; PARTICLE;

D O I：

10.1063/1.3624749

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

By scanning near-field optical microscopy, we measured the localization of the electromagnetic field on an array of gold nanodisks illuminated in a transmission mode. We experimentally observed that the field is localized between the disks, with a pattern oriented along the incident polarization direction. We also observed that the electromagnetic field rapidly decays above the nanodisks, showing a strong vertical localization. The experimental results are in good agreement with numerical simulations performed by a finite difference time domain method. This study provides quantitative information about the local optical properties of closely-packed nanodisks that can be used for applications in biochemical sensors and nanolithography. (C) 2011 American Institute of Physics. [doi:10.1063/1.3624749]

引用

页数：5

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