Extremely narrow plasmon resonances based on diffraction coupling of localized plasmons in arrays of metallic nanoparticles

被引：725

作者：

Kravets, V. G. ^{[1
]}

Schedin, F. ^{[1
]}

Grigorenko, A. N. ^{[1
]}

机构：

[1] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.101.087403

中图分类号：

O4 [物理学];

学科分类号：

0702 [物理学];

摘要：

We experimentally demonstrate extremely narrow plasmon resonances with half-width of just several nanometers in regular arrays of metallic nanoparticles. These resonances are observed at Rayleigh's cutoff wavelengths for Wood anomalies and based on diffraction coupling of localized plasmons. We show experimentally that reflection from an array of nanoparticles can be completely suppressed at certain wavelengths. As a result, our metal nanostructures exhibit pi-jump for the phase of the reflected light.

引用

页数：4

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