Numerical study of a high-resolution far-field scanning optical microscope via a surface plasmon-modulated light source

被引：12
|
作者：
Guo, Baoshan [1 ]
Gan, Qiaoqiang
Song, Guofeng
Gao, Jianxia
Chen, Lianghui
机构：
[1] Chinese Acad Sci, Inst Semicond, Nanooptoelect Lab, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100083, Peoples R China
[3] Lehigh Univ, Ctr Opt Technol, Dept Elect & Comp Engn, Bethlehem, PA 18015 USA
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2007年 / 25卷 / 03期
关键词：
finite difference time domain (FDTD) method; scanning optical microscope; surface plasmon subwavelength optics;
D O I：
10.1109/JLT.2006.889666
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we analyze light transmission through a single subwavelength slit surrounded by periodic grooves in layered films consisting of An and dielectric material. A subwavelength grating is scanned numerically by the finite difference time domain method in two dimensions. The results show that the transmission field can be confined to a spot with subwavelength width in the far field and can be useful in the application of a high-resolution far-field scanning optical microscope.
引用
收藏
页码：830 / 833
页数：4
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