Light transmission through a high index dielectric hole in a metal film surrounded by surface corrugations

被引：9
|
作者：
Olkkonen, Juuso
Kataja, Kari
Howe, Dennis G.
机构：
[1] VTT Tech Res Ctr Finland, FIN-90571 Oulu, Finland
[2] Univ Arizona, Ctr Opt Sci, Tucson, AZ 85721 USA
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 24期
关键词：
D O I：
10.1364/OE.14.011506
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We analyze transmission of a normally incident plane wave through a 100nm diameter hole in a silver film that is filled with a high index dielectric and is surrounded by 300nm wide surface grooves. Specifically, we study the dependency of the transmission efficiency on the number of grooves, groove depth, and the horizontal distance between the groove and the central hole. We observe that the investigated structure exhibits over five orders of magnitude larger transmission efficiency versus a single hole without the dielectric filling. (c) 2006 Optical Society of America.
引用
收藏
页码：11506 / 11511
页数：6
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