Investigation of surface plasmon resonance in super-period gold nanoslit arrays

被引：13
作者：
Guo, Junpeng [1 ]
Leong, Haisheng [1 ]
机构：
[1] Univ Alabama, Dept Elect & Comp Engn, Huntsville, AL 35899 USA
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2012年 / 29卷 / 07期
基金：
美国国家科学基金会;
关键词：
TRANSMISSION RESONANCES; METALLIC GRATINGS;
D O I：
10.1364/JOSAB.29.001712
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Surface plasmon resonance in super-period metal nanoslits can be observed in the first order diffraction as well in the zeroth order transmission. In this paper, surface plasmon resonance modes in various super-period gold nanoslit arrays are investigated. It is found that the surface plasmon resonance frequencies are determined by the small period of the nanoslits in the super-period nanoslit unit cell. The number of nanoslits in the unit cell and the nanoslit width do not control the surface plasmon resonance frequencies. It is also found that the resonance frequency observed in the first order diffraction reveals more accurately the surface plasmon resonance frequency in the super-period metal nanoslit device. (C) 2012 Optical Society of America
引用
收藏
页码：1712 / 1716
页数：5
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