Characteristics of surface plasmon resonances in thick metal film perforated with nanohole arrays

被引：5
作者：
Yuan, Li [1 ,2 ]
Chen, Fuyi [3 ]
机构：
[1] Sichuan Univ Sci & Engn, Coll Mat & Chem Engn, Zigong 643000, Peoples R China
[2] Mat Corros & Protect Key Lab Sichuan Prov, Zigong 643000, Peoples R China
[3] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
来源：
OPTIK | 2016年 / 127卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Surface plasmons; Optical property; Coupling; SUBWAVELENGTH HOLE ARRAYS; EXTRAORDINARY OPTICAL-TRANSMISSION; MAGNETIC METAMATERIALS; ENHANCED TRANSMISSION; ABSORPTION; APERTURES; NOBLE; MODES;
D O I：
10.1016/j.ijleo.2016.01.002
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The dependence of optical properties on the hole shape, period of nanohole arrays and metal film thickness, in thick silver film perforated with "high density nanohole arrays" is investigated using the finite difference time domain technique. The physical mechanism behind the light phenomena is discussed: the coupling between localized plasmon resonances and surface plasmon polaritons is found to play a crucial role on the optical properties, while the hole shape plays an important role on the coupling mechanism. Interesting light phenomena are observed in thick metal films perforated with rectangle nanohole arrays; the antisymmetric coupling between surface plasmon polaritons near the top and bottom film plane, and the antisymmetric coupling between localized surface plasmon resonances near the two long sides of the rectangular hole are excited in it. (C) 2016 Elsevier GmbH. All rights reserved.
引用
收藏
页码：3504 / 3508
页数：5
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