Electromagnetic wave propagation through doubly dispersive subwavelength metamaterial hole

被引：24
作者：
Kim, KY [1 ]
Lee, JH
Cho, YK
Tae, HS
机构：
[1] Kyungpook Natl Univ, Sch Elect Engn & Comp Sci, Taegu 702701, South Korea
[2] Hongik Univ, Dept Radio Sci & Commun Engn, Seoul 121791, South Korea
来源：
OPTICS EXPRESS | 2005年 / 13卷 / 10期
关键词：
D O I：
10.1364/OPEX.13.003653
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The characteristics of the guided electromagnetic wave propagation through a subwavelength hole surrounded by a doubly dispersive metamaterial are investigated. Characteristic equations are derived for the surface polariton modes related to the subwavelength hole and mode classifications established. The surface polariton modes for two different hole-radii are numerically obtained and their electromagnetic dispersion curves and power flux characteristics analyzed and compared with each other. In particular, it was found that the border of the counter-propagation between the forward and backward Poynting vectors was located within the metamaterial, rather than at the interface between the metamaterial and the free space. (C) 2005 Optical Society of America.
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收藏
页码：3653 / 3665
页数：13
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