Stopband Phenomena in the Passband of Left-Handed Metamaterials
ZHAO Xiao-Peng, ZHAO Qian, ZHANG Fu-Li, ZHAO Wei, LIU Ya-Hong
Institute of Electrorheological Technology, Department of Applied Physics, Northwestern Polytechnical University, Xi’an 710072
Stopband Phenomena in the Passband of Left-Handed Metamaterials
ZHAO Xiao-Peng;ZHAO Qian;ZHANG Fu-Li;ZHAO Wei;LIU Ya-Hong
Institute of Electrorheological Technology, Department of Applied Physics, Northwestern Polytechnical University, Xi’an 710072
关键词 ：
41.20.Jb ,
73.20.Mf ,
42.60.Da ,
42.70.Qs
Abstract ： Stopband phenomena are reported in the passband of left-handed metamaterials. The samples with linear defect are designed by removing one layer of split ring resonators (SRRs). It is shown that the left-handed transmission peaks have a distinct transform with the relative deviation of the SRRs centre from the wire centre δ, from a single left-handed peak, double left-handed peaks with different magnitude to no transmission peak, i.e. left-handed properties of metamaterials disappear. Numerical simulation shows that the change of δ makes the effective permeability shift at a frequency range, where stopband occurs. It is thought that the stopband in left-handed passband is due to the symmetry breaking between SRRs and wires in the metamaterials.
Key words ：
41.20.Jb
73.20.Mf
42.60.Da
42.70.Qs
出版日期: 2006-01-01
:
41.20.Jb
(Electromagnetic wave propagation; radiowave propagation)
73.20.Mf
(Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))
42.60.Da
(Resonators, cavities, amplifiers, arrays, and rings)
42.70.Qs
(Photonic bandgap materials)
引用本文:
ZHAO Xiao-Peng;ZHAO Qian;ZHANG Fu-Li;ZHAO Wei;LIU Ya-Hong. Stopband Phenomena in the Passband of Left-Handed Metamaterials[J]. 中国物理快报, 2006, 23(1): 99-102.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I1/99
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