Measurement of negative permittivity and permeability from experimental transmission and reflection with effects of cell misalignment

Measurement of negative permittivity and permeability from experimental transmission and reflection with effects of cell misalignment
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通过实验透射和反射测量负介电常数和磁导率以及单元错位的影响

DOI:
10.1063/1.2209030
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发表时间:
2006-06
影响因子:
3.2
通讯作者:
Chen, HS
Chen, HS
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Ran, LX;Wang, DX;Kong, JA;Grzegorczyk, TM;Huangfu, JT;Chen, HS

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测量材料的负等效介电常数和负等效磁导率是验证材料左手特性的一种直接方法。本文对左手材料样品在平行板波导中的传输进行了实验研究。有效的频率色散的介电常数和磁导率检索从实验散射数据,并发现在特定的频率范围内同时为负。模拟结果还表明,金属夹杂物的左手材料的错位引入一些下降的检索曲线,这使得我们无法获得理想的曲线以下的Lorentz或Drude模型。
The measurement of the negative effective permittivity and permeability of a material is a direct way to verify its left-handed properties. In this paper, a transmission experiment for a left-handed material (LHM) sample is performed in a parallel plate waveguide. The effective frequency dispersive permittivity and permeability are retrieved from the experimental scattering data and found to be simultaneously negative in a specific frequency range. The simulation results also show that the misalignments of the metallic inclusions of the LHM introduce some dips to the retrieved curves, which prevent us from obtaining ideal curves following the Lorentz or Drude model.
DOI: 10.1109/tmtt.2005.845191
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发表时间: 2002-05-15
期刊: PHYSICAL REVIEW B
影响因子: 3.7
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