Frozen modes in coupled microstrip lines printed on ferromagnetic substrates

被引：32
|
作者：
Stephanson, Matthew B. [1 ]
Sertel, Kubilay [1 ]
Volakis, John L. [1 ]
机构：
[1] Ohio State Univ, Dept Elect & Comp Engn, Electrosci Lab, Columbus, OH 43212 USA
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2008年 / 18卷 / 05期
关键词：
anisotropic media; ferrite devices; magnetic photonic crystals; metamaterials; nonreciprocal media; transmission line (TL) model;
D O I：
10.1109/LMWC.2008.922107
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A microstrip transmission line model is proposed for magnetic photonic crystals hailing a stationary inflection point in their dispersion diagrams. The model is formed from an existing degenerate band edge microstrip circuit by replacing the substrate material with a properly biased ferrite. Using the four port unit cell's transfer matrix, we calculate the dispersion diagram of the periodic structure and verify the stationary inflection behavior. Variation of the geometry parameters to tune the k - omega diagram is also discussed.
引用
收藏
页码：305 / 307
页数：3
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