Verification and Calculation of Negative Refractive Indices of a Meta-Material by Numerical Method
SUI Qiang1,2 , LIU Ci-Xiang1 , LI Chao1 , LI Fang1
1 Institute of Electronics, Chinese Academy of Sciences, Beijing 100080
2 School of Information, Communication University of China, Beijing 100024
Verification and Calculation of Negative Refractive Indices of a Meta-Material by Numerical Method
SUI Qiang1,2 ;LIU Ci-Xiang1 ;LI Chao1 ;LI Fang1
1 Institute of Electronics, Chinese Academy of Sciences, Beijing 100080
2 School of Information, Communication University of China, Beijing 100024
关键词 ：
78.20.Ci ,
41.20.Jb ,
42.70.Qs
Abstract ： The verification and calculation of the negative refractive index of a meta-material is carried out by the finite-difference time-domain method. A slab and a prism of the meta-material are simulated. A genuine plane wave is generated by a two-direction periodic boundary condition (PBC) in the slab model. Based on an advanced phase extraction technique, the negative refractive index of the meta-material is verified by phase velocity measurement in the slab and prism measurement. From our results, not only the phenomenon of backward phase propagation but also the negative refraction is clearly observed. The index is also calculated precisely. The results from the two models are consistent.
Key words ：
78.20.Ci
41.20.Jb
42.70.Qs
出版日期: 2005-08-01
:
78.20.Ci
(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
41.20.Jb
(Electromagnetic wave propagation; radiowave propagation)
42.70.Qs
(Photonic bandgap materials)
引用本文:
SUI Qiang;LIU Ci-Xiang;LI Chao;LI Fang. Verification and Calculation of Negative Refractive Indices of a Meta-Material by Numerical Method[J]. 中国物理快报, 2005, 22(8): 2073-2076.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I8/2073
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