Characteristics of Surface Plasmons in Silver Nanorods

被引:1
|
作者
Cai, Lei [1 ]
Haraguchi, Masanobu [1 ]
Okamoto, Toshihiro [1 ]
Fukui, Masuo [1 ]
机构
[1] Univ Tokushima, Tokushima 7708506, Japan
基金
日本学术振兴会;
关键词
plasmonic waveguide; localized surface plasmon; silver; longitudinal mode; transverse mode; resonance mode; pair of rods;
D O I
10.1143/JJAP.47.8659
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have calculated the optical responses of a variety of nano size silver particles, i.e., a column, a hexahedron, an ellipse, and an ellipsoidal rod, by using the finite-difference time-domain method. For a pair of ellipsoidal rods, we have found a suitable distance for the gap between the rods for transferring the energy of longitudinal (L) and transverse (T)-mode plasmons. We have also investigated the suitable configuration of an ellipsoidal rod array with a bend for changing the plasmon propagation direction and the mode from the L-mode to the T-mode. [10.1143/JJAP.47.8659]
引用
收藏
页码:8659 / 8666
页数:8
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