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Stopband Phenomena in the Passband of Left-Handed Metamaterials 被引量:2
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作者 赵晓鹏 赵乾 +2 位作者 张富利 赵伟 刘亚红 《Chinese Physics Letters》 SCIE CAS CSCD 2006年第1期99-102,共4页
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 trans... 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 8, 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 8 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. 展开更多
关键词 negative permeability material PHOTONIC CRYSTALS REFRACTION PHYSICS INDEX
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