Resonances and Field Enhancement in Cylindrical Electromagnetic Bandgap Structures

被引：1

作者：

Jandieri, Vakhtang ^{[1
,2
]}

Yasumoto, Kiyotoshi ^{[3
]}

Cho, Young-Ki ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Sch Elect Engn & Comp Sci, Taegu, South Korea

[2] Agr Univ Georgia, Dept Elect Engn, Tbilisi, Georgia

[3] Nanjing Forestry Univ, Coll Informat Sci & Technol, Nanjing, Jiangsu, Peoples R China

来源：

IEICE TRANSACTIONS ON ELECTRONICS | 2013年 / E96C卷 / 11期

关键词：

cylindrical bandgap structures; field enhancement; radiation; reciprocity relation; scattering; DIRECTIVITY; SCATTERING; ARRAYS;

D O I：

10.1587/transele.E96.C.1436

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：

Electromagnetic scattering and radiation in cylindrical electromagnetic bandgap (EBG) structure is analyzed. The radiated field from a line source placed inside the eccentric configuration of the cylindrical EBG structure and plane wave incident on the cylindrical EBG structure is numerically studied based on the method proposed by the authors in their early papers. Using the developed formulation, it is shown first time that when the cylindrical EBG is illuminated by plane wave of particular resonance frequencies, the field are strongly enhanced or shaded inside the cylindrical EBG structure and this effect depends on the angle of incidence of the plane waves. We give a deep physical insight into explanation of this phenomenon based on the Lorentz reciprocity relation for cylindrical structures.

引用

页码：1436 / 1439

页数：4

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