Investigation on the transmission of subwavelength metallic cavity arrays

被引：1
|
作者：
Wang, Jicheng [1 ]
Wang, Yueke [1 ]
Zhang, Xueru [1 ]
Yang, Kun [1 ]
Wang, Yuxiao [1 ]
Liu, Shutian [1 ]
Song, Yinglin [1 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
来源：
OPTIK | 2011年 / 122卷 / 18期
基金：
中国国家自然科学基金;
关键词：
Surface plasmon; Enhanced transmission; F-P cavity; OPTICAL-TRANSMISSION; ABSORPTION; RESONANCE; SLITS;
D O I：
10.1016/j.ijleo.2010.10.019
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Numerical investigation of the optical transmission through the one-dimensional subwavelength metallic cavity arrays (SMCA) is presented. Based on the finite-difference time-domain technique, we discuss the influence of the structural parameters on the transmission spectrum. The transmission peaks are attributed to the Fabry-Perot resonance: and the transmission dips are attributed to the surface plasmon resonance. For the SMCA with two cavities in one unit, the redshift of the transmission peak with increasing the distance between the two cavities originates from the depression of the coupling strength. These results obtained here will be helpful to design the plasmonic frequency-selecting device. Crown Copyright (C) 2010 Published by Elsevier GmbH. All rights reserved.
引用
收藏
页码：1650 / 1653
页数：4
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