Negative index of refraction in metallic metamaterial comprising split-ring resonators

被引:15
|
作者
Dong, Zheng-Gao [1 ]
Lei, Shuang-Ying [2 ]
Xu, Ming-Xiang [1 ]
Liu, Hui [3 ]
Li, Tao [3 ]
Wang, Fu-Ming [3 ]
Zhu, Shi-Ning [3 ]
机构
[1] SE Univ, Dept Phys, Nanjing 211189, Peoples R China
[2] SE Univ, Minist Educ, Key Lab MEMS, Nanjing 210096, Peoples R China
[3] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
来源
PHYSICAL REVIEW E | 2008年 / 77卷 / 05期
关键词
D O I
10.1103/PhysRevE.77.056609
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We numerically investigate the negative index of refraction in a metamaterial composed of metallic split-ring resonators, which exhibits simultaneously negative permittivity and permeability without resorting to additional metallic wires. It is confirmed that, in the left-handed band, negative permittivity is generated in analogy to the cut-wire metamaterial and negative permeability comes from the antisymmetric resonant mode, which occurs at a frequency band about 3 times higher than the fundamental magnetic resonance proposed by Pendryet al. [IEEE Trans. Microwave Theory Tech. 47, 2075 (1999)].
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页数:4
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