Direct Near-Field Optical Imaging of Higher Order Plasmonic Resonances

被引：185

作者：

Esteban, R. ^{[1
]}

Vogelgesang, R. ^{[1
]}

Dorfmueller, J. ^{[1
]}

Dmitriev, A. ^{[2
]}

Rockstuhl, C. ^{[3
]}

Etrich, C. ^{[4
]}

Kern, K. ^{[1
,5
]}

机构：

[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

[2] Chalmers Univ Technol, S-41296 Gothenburg, Sweden

[3] Univ Jena, Inst Festkorpertheorie & Opt, D-07743 Jena, Germany

[4] Univ Jena, Inst Angew Phys, D-07743 Jena, Germany

[5] Ecole Polytech Fed Lausanne, Inst Phys Nanostruct, CH-1015 Lausanne, Switzerland

来源：

NANO LETTERS | 2008年 / 8卷 / 10期

关键词：

D O I：

10.1021/nl801396r

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We map in real space and by purely optical means near-field optical information of localized surface plasmon polariton (LSPP) resonances excited in nanoscopic particles. We demonstrate that careful polarization control enables apertureless scanning near-field optical microscopy (aSNOM) to image dipolar and quadrupolar LSPPs of the bare sample with high fidelity in both amplitude and phase. This establishes a routine method for in situ optical microscopy of plasmonic and other resonant structures under ambient conditions.

引用

页码：3155 / 3159

页数：5

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