Fano resonances in planar silver nanosphere clusters

被引：125
作者：
Bao, Kui [1 ,2 ]
Mirin, Nikolay A. [1 ,3 ]
Nordlander, Peter [1 ,2 ]
机构：
[1] Rice Univ, Rice Quantum Inst, Lab Nanophoton, Houston, TX 77251 USA
[2] Rice Univ, Dept Phys, Houston, TX 77005 USA
[3] Rice Univ, Dept Chem, Houston, TX 77005 USA
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2010年 / 100卷 / 02期
基金：
美国国家科学基金会;
关键词：
ELECTROMAGNETICALLY INDUCED TRANSPARENCY; ENHANCED RAMAN-SCATTERING; PLASMONIC PROPERTIES; FIELD ENHANCEMENT; NANOPARTICLES; POLARIZATION; TRIMERS; SINGLE; ARRAYS; ANALOG;
D O I：
10.1007/s00339-010-5861-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The plasmonic properties of silver nanosphere clusters are investigated using the finite element and the plasmon hybridization methods. The nanoparticle clusters are found to exhibit multiple plasmon resonances with large induced electromagnetic field enhancements. For symmetric clusters, we show how group theory can be used to identify the microscopic nature of the plasmon resonances. For larger clusters, we show that narrow Fano resonances are frequently present in their optical spectra.
引用
收藏
页码：333 / 339
页数：7
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