Subwavelength imaging with two symmetrical interfaces by dielectric-tube photonic crystals

被引：0
|
作者：
Z. Tang
H. Zhang
R. Peng
Y. Ye
C. Zhao
S. Wen
D. Fan
机构：
[1] Hunan University,School of Computer and Communication
[2] Chinese Academy of Sciences,Shanghai Institute of Optics and Fine mechanics
[3] Fudan University,Department of Optical Science and Engineering
来源：
Applied Physics A | 2007年 / 87卷
关键词：
Photonic Crystal; Transverse Electric; Negative Refraction; Object Distance; Metallic Core;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
As distinct from coated photonic crystals, in this paper we propose a novel one that is made of dielectric tubes arranged in a close-packet square lattice. Without metallic cores, this structure is low-loss and convenient to fabricate. A left-handed frequency region is found in the second band by dispersion characteristic analysis. Without inactive modes for the transverse electric mode, negative refraction and subwavelength imaging are demonstrated by the finite-difference time-domain simulations with two symmetrical interfaces, i.e. ΓX and ΓM.
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页码：223 / 225
页数：2
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