Tunable omnidirectional surface plasmon resonance in cylindrical plasmonic structure

被引：3

作者：

Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

机构：

[1] Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology

[2] State Key Laboratory on Advanced Optical Communication Systems and Networks, Peking University

[3] School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta

来源：

Chin. Phys. Lett. | 2008年 / 12卷 / 4388-4390期

关键词：

Surface plasmon resonance;

D O I：

10.1088/0256-307X/25/12/057

中图分类号：

学科分类号：

摘要：

The tunable omnidirectional surface plasmon resonance in the optical range is theoretically demonstrated in a cylindrical plasmonic crystal by using rigorous coupled-wave analysis. The cylindrical plasmonic crystal consists of an infinite chain of two-dimensional cylindrical metal-dielectric-dielectric-metal structures. The dispersion relation of the cylindrical plasmonic crystal is obtained by calculating the absorptance as a function of a TM-polarized incident plane wave and its in-plane wave vector. The omnidirectional surface plasmon resonance can be tuned from UV region to visible region by adjusting the thickness of the cylindrical dielectric layers. The absorption spectrum of the infinite chain of nanocylinders is also investigated for comparison. © 2008 Chinese Physical Society and IOP Publishing Ltd.

引用

页码：4388 / 4390

页数：2

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