Extraordinary optical transmission for TE wave through metallic sub-wavelength grating with slits filled with dielectric

被引：12
作者：
Gao, Hua [1 ]
Zheng, Zhiyuan [1 ]
Dong, Aiguo [1 ]
Fan, Zhenjun [1 ]
机构：
[1] China Univ Geosci, Sch Sci, Beijing 100083, Peoples R China
来源：
OPTIK | 2014年 / 125卷 / 22期
基金：
中国国家自然科学基金;
关键词：
Extraordinary optical transmission; Metallic grating; Surface plasmon; TE wave; ENHANCED TRANSMISSION; SURFACE-PLASMONS; LIGHT; RESONANCES; ARRAYS; HOLES;
D O I：
10.1016/j.ijleo.2014.08.056
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A metallic sub-wavelength grating with slits filled with dielectric was proposed to achieve broadband and enhanced Extraordinary Optical Transmission (EOT) for Transverse Electric (TE) wave. The physical mechanism for the improvements of the transmission spectrum was also revealed. It was found that the Fabry-Perot cavity resonance in the grating slits was the cause of the enhancement of the EOT and the waveguide modes theory was the fundamental mechanism for the broadened bandwidth of the transmission. (C) 2014 Elsevier GmbH. All rights reserved.
引用
收藏
页码：6687 / 6690
页数：4
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