Planar sub-wavelength cavity resonator containing a bilayer of anisotropic metamaterials

被引：8

作者：

Jiang, Tian ^{[1
]}

Zhao, Junming ^{[1
]}

Feng, Yijun ^{[1
]}

机构：

[1] Nanjing Univ, Dept Elect Sci & Engn, Nanjing 210093, Peoples R China

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2007年 / 40卷 / 06期

关键词：

D O I：

10.1088/0022-3727/40/6/034

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have studied the resonant modes in a planar cavity resonator containing a bilayer of non-dissipative anisotropic metamaterials. Different from the isotropic case, the resonance in such a resonator is closely related to the dispersion relation of the anisotropic medium. Three cases of different combinations of materials are discussed and it is found that sub-wavelength resonant modes may occur in all cases. Three kinds of resonant modes with different electromagnetic field distributions have been revealed and analysed. Requirements of the material and geometry parameters to construct a sub-wavelength resonator are revealed by an approximate analysis and verified by a rigorous solution of the characteristic equation, which demonstrate that this kind of sub-wavelength resonator brings more design flexibility and tolerance.

引用

页码：1821 / 1826

页数：6

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