Spoof-surface-plasmon assisted light beaming in mid-infrared

被引：9

作者：

Chen, Pengyu ^{[1
]}

Gan, Qiaoqiang ^{[2
]}

Bartoli, Filbert J. ^{[2
]}

Zhu, Lin ^{[1
]}

机构：

[1] Clemson Univ, Dept Elect & Comp Engn, Ctr Opt Mat Sci & Engn Technol, Clemson, SC 29634 USA

[2] Lehigh Univ, Dept Elect & Comp Engn, Bethlehem, PA 18015 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2010年 / 27卷 / 04期

基金：

美国国家科学基金会;

关键词：

TRANSMISSION; LASERS;

D O I：

10.1364/JOSAB.27.000685

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have investigated light beaming through a single slit in a silver thin film with periodic gratings on the output side in the mid-infrared wavelength range. We show that light beaming in mid-infrared is mainly controlled by spoof surface plasmons. We take account of both the dispersion relation and the phase-matching condition of spoof surface plasmons to obtain good beaming efficiency. Through engineering the geometrical parameters of the grating structures, we can achieve the desired near-field and far-field distribution in mid-infrared. (C) 2010 Optical Society of America

引用

页码：685 / 689

页数：5

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