Development and characterization of a broad-bandwidth polarization-insensitive subwavelength optical device

被引：2
|
作者：
Chyan, JY
Chang, CA
Yeh, JA
机构：
[1] Institute of Micro-Electro-Mechanical Systems, Tsing Hua University, Taiwan
[2] Institute of Microelectronics Engineering, Tsing Hua University, Taiwan
来源：
NANOTECHNOLOGY | 2006年 / 17卷 / 01期
关键词：
D O I：
10.1088/0957-4484/17/1/008
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The optical transmission through subwavelength apertures in a metal film has been found to be enhanced by several orders of magnitude. In this paper we report a method for controlling the polarization sensitivity and the transmission bandwidth of the extraordinary optical transmission. This method focuses on controlling., the surface plasmon resonances and localized surface plasmon resonances which lead to the extraordinary transmission. Two results are obtained in this study. First, the maximum peak shift of the wavelength of 80 nm resulting from polarization change can be reduced to 3 nm; in other words, the polarization-sensitive nature of the extraordinary transmission can be turned into a polarization-in sensitive one. Second, the transmission bandwidth can be broadened to 150% under the extraordinary transmission conditions.
引用
收藏
页码：40 / 44
页数：5
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