Waveguide properties of single subwavelength holes demonstrated with radially and azimuthally polarized light

被引：32
作者：
Kindler, J. [1 ]
Banzer, P. [1 ]
Quabis, S. [1 ]
Peschel, U. [1 ]
Leuchs, G. [1 ]
机构：
[1] Max Planck Res Grp Opt Informat & Photon, D-91058 Erlangen, Germany
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2007年 / 89卷 / 04期
关键词：
D O I：
10.1007/s00340-007-2874-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the transmission of focused beams through single subwavelength holes in a silver film. We use radially and azimuthally polarized light to excite higher-order waveguide modes as well as to match the radial symmetry of the aperture geometry. Remarkably, the transmission properties can be described by a classical waveguide model even for thicknesses of the silver film as thin as a quarter of a wavelength.
引用
收藏
页码：517 / 520
页数：4
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