Analysis of a Metallic Nano-Rod Polarizer Using Finite-Difference-Time-Domain Method

被引：1
|
作者：
Lee, Baek-Woon [2 ]
Ju, Young-Gu [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Phys Educ, Taegu 702701, South Korea
[2] Samsung Mobile Display, Yongin 449711, Gyeonggi Do, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2010年 / 10卷 / 05期
关键词：
Nano-Rod; Polarizer; FDTD; Wire Grid Polarizer; ARRAYS;
D O I：
10.1166/jnn.2010.2268
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The polarization behavior of metallic nano-rods has been analyzed by means of the finite-difference-time-domain method. When the average spacing between the nano-rods is less than a half wavelength, the layer reflects the light polarized parallel to the nano-rods, as in a nano-slit. However, when the spacing is larger than a half wavelength, the metallic surface absorbs the light, polarized perpendicular to the rods, leading to a polarization switching. Multiple layers of nano-rods can make a polarizer with a high extinction ratio and good transmittance.
引用
收藏
页码：3308 / 3310
页数：3
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