Surface plasmons of metallic surfaces perforated by nanohole arrays

被引:83
作者
Lalanne, P [1 ]
Rodier, JC [1 ]
Hugonin, JP [1 ]
机构
[1] CNRS, Inst Opt, Lab Charles Fabry, F-91403 Orsay, France
来源
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2005年 / 7卷 / 08期
关键词
subwavelength aperture; surface plasmons; enhanced transmission;
D O I
10.1088/1464-4258/7/8/013
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Recent works have dealt with the optical transmission on arrays of subwavelength holes perforated in a thick metallic film. We have performed simulations which quantitatively agree with experimental results and which unambiguously provide evidence that the extraordinary transmission is due to the excitation of a surface-plasmon-polariton (SPP) mode on the metallic film interfaces. We identify this SPP mode and show that its near field possesses a hybrid character, gathering collective and localized effects which are both essential for the transmission.
引用
收藏
页码:422 / 426
页数:5
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