Extremely high concentration of electromagnetic field in the three-dimensional waveguides based on transformation optics

被引：3
作者：
Tsai, Chia-Nien [1 ]
Wang, Hung-Wen [1 ]
Chen, Lien-Wen [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Mech Engn, Tainan 70101, Taiwan
来源：
PHYSICA B-CONDENSED MATTER | 2011年 / 406卷 / 09期
关键词：
Transformation optics; Inhomogeneous metamaterials; Waveguide; DESIGN;
D O I：
10.1016/j.physb.2011.02.015
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Based on the coordinate transformation theory, we propose a way to manipulate the field distribution in three-dimensional waveguides filled with the designed material. In this work, we show that the designed transformation media can concentrate the electromagnetic field more extremely around the center of the rectangular cross-section inside the straight waveguide. Furthermore, high concentration of the field distribution inside the waveguide bend is also performed well. Numerical simulations demonstrate that the electromagnetic wave can propagate without any signal destruction and conserve the original propagation mode at receiver side. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1722 / 1726
页数：5
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