Tunable optical coupling in regular arrays of gold and silver nanoparticles

被引：0

作者：

Smith, David A. ^{[1
]}

Pinchuk, Anatoliy O. ^{[1
]}

机构：

[1] Univ Colorado, Dept Phys & Energy Sci, Colorado Springs, CO 80918 USA

来源：

PLASMONICS: METALLIC NANOSTRUCTURES AND THEIR OPTICAL PROPERTIES X | 2012年 / 8457卷

基金：

美国国家科学基金会;

关键词：

Surface Plasmon Resonance; nanoparticles; Plasmonics; SURFACE-PLASMON RESONANCE; DISCRETE-DIPOLE APPROXIMATION; NEAR-FIELD; NEGATIVE PERMEABILITY; NANOROD ASSEMBLIES; ABSORPTION; SCATTERING; LIGHT; INDEX; METAMATERIALS;

D O I：

10.1117/12.930751

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report far-field optical extinction spectra of linear chains of gold and silver nanocylinders with interparticle separations close to the particles' surface plasmon resonance (SPR) wavelength. The spectra reveal a typical pattern of dipole-like and quadrupole SPR peaks and additional non-SPR peaks. We rationalize the extra peaks by constructive interference of the scattered and incident electromagnetic fields.

引用

页数：13

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