Surface plasmon-polaritons wave fields in the vicinity of a metallic nanohole

被引:2
作者
Tekkozyan, V. A. [1 ]
机构
[1] Yerevan State Univ, Yerevan, Armenia
关键词
metal surface; nanohole; plasmon-polariton; wave field; EXTRAORDINARY OPTICAL-TRANSMISSION; SINGLE SUBWAVELENGTH APERTURE; LIGHT TRANSMISSION; NANOMETRIC HOLES; DIFFRACTION;
D O I
10.3103/S1068337213050058
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
It is shown that metal surface with a nanohole can support surface plasmon-polaritons (SPP), whose wave fields are described by Hankel functions. These plasmons can be excited by an electromagnetic wave incident at the metal surface. The optical transmission through subwavelength holes in metal films can essentially be enhanced by interaction of the incident light with surface plasmons. Dependence of excitation of the wave field of SPP on the incidence angle and on the wavelength of incident light is considered.
引用
收藏
页码:214 / 219
页数:6
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