Negative refraction in one-dimensional plasma photonic crystals

被引:6
|
作者
Guo, B. [1 ]
Xie, M. -Q. [1 ]
机构
[1] Wuhan Univ Technol, Sch Sci, Wuhan 430070, Peoples R China
来源
OPTIK | 2014年 / 125卷 / 09期
基金
中国国家自然科学基金;
关键词
Negative refraction; Plasma photonic crystals; Dispersion relation; Group velocity; Transmittance; TRANSFER-MATRIX; INDEX;
D O I
10.1016/j.ijleo.2013.10.058
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We have theoretically explored the negative refraction (NR) in one-dimensional plasma photonic crystals (PCs) consisting of plasma and dielectric materials. By using the transfer matrix method and Bloch theorem, we have studied the group velocity and we have obtained the NR in plasma PCs with the help of the group velocity. The results show that plasma PCs can also exhibit the NR although they have a periodically modulated positive permittivity e and permeability mu. It is also shown that the NR in plasma PCs exhibits difference behaviour in different frequency regions, omega < omega(p) and omega > omega(p), respectively. The parameter dependence of the effects is also examined and discussed. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码:2137 / 2141
页数:5
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