The Comprehensive Retrieval Method of Electromagnetic Parameters Using the Scattering Parameters of Metamaterials for Two Choices of Time-Dependent Factors
HOU Zhi-Ling1**, KONG Ling-Bao1, JIN Hai-Bo2, CAO Mao-Sheng2, LI Xiao1, QI Xin1
1School of Science, Beijing University of Chemical Technology, Beijing 100029 2School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081
The Comprehensive Retrieval Method of Electromagnetic Parameters Using the Scattering Parameters of Metamaterials for Two Choices of Time-Dependent Factors
HOU Zhi-Ling1**, KONG Ling-Bao1, JIN Hai-Bo2, CAO Mao-Sheng2, LI Xiao1, QI Xin1
1School of Science, Beijing University of Chemical Technology, Beijing 100029 2School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081
摘要The electromagnetic parameters (permittivity and permeability) method, retrieved from the reflection and transmission coefficients of a slab, is presented. Improvements over existing methods, including the determination of the permittivity, permeability and impedance of the slab, are expressed as explicit functions of the S parameters for both the time−dependent factors, eiωt and e−iωt (ω is the angular frequency of the incident electromagnetic wave), and the proper selection of the sign of impedance and the real part of the refractive index. Moreover, based on the retrieving method, the calculations of the electromagnetic parameters of the conventional−material teflon slab standard sample through the experimental data of the S parameters are performed, which confirm the validity of the technique for the retrieval of electromagnetic parameters.
Abstract：The electromagnetic parameters (permittivity and permeability) method, retrieved from the reflection and transmission coefficients of a slab, is presented. Improvements over existing methods, including the determination of the permittivity, permeability and impedance of the slab, are expressed as explicit functions of the S parameters for both the time−dependent factors, eiωt and e−iωt (ω is the angular frequency of the incident electromagnetic wave), and the proper selection of the sign of impedance and the real part of the refractive index. Moreover, based on the retrieving method, the calculations of the electromagnetic parameters of the conventional−material teflon slab standard sample through the experimental data of the S parameters are performed, which confirm the validity of the technique for the retrieval of electromagnetic parameters.
(Metamaterials for chiral, bianisotropic and other complex media)
引用本文:
HOU Zhi-Ling**;KONG Ling-Bao;JIN Hai-Bo;CAO Mao-Sheng;LI Xiao;QI Xin. The Comprehensive Retrieval Method of Electromagnetic Parameters Using the Scattering Parameters of Metamaterials for Two Choices of Time-Dependent Factors[J]. 中国物理快报, 2012, 29(1): 17701-017701.
HOU Zhi-Ling**, KONG Ling-Bao, JIN Hai-Bo, CAO Mao-Sheng, LI Xiao, QI Xin. The Comprehensive Retrieval Method of Electromagnetic Parameters Using the Scattering Parameters of Metamaterials for Two Choices of Time-Dependent Factors. Chin. Phys. Lett., 2012, 29(1): 17701-017701.
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