Summary
International Symposium on Antennas and Propagation
2012
Session Number:2D2
Session:
Number:2D2-2
Rigorous Analysis of Dipole Source Radiation in Cylindrical Bandgap Structures with Defects
Vakhtang Jandieri,
pp.-
Publication Date:2012/10/29
Online ISSN:2188-5079
Summary:
In this paper based on the rigorous and accurate semi-analytical method the electromagnetic radiation from a dipole source located inside the cylindrical EBG structures with defects is analyzed. Cylindrical EBG is formed by circular rods periodically distributed on a circular ring. The defects are introduced by removing the particular circular rods from each circular ring. Breaking the periodicity of the structure, the radiated energy is allowed to propagate through the defects in some particular direction and is forbidden in the opposite direction by the existing bandgap. The method could be applied to various configurations of the cylindrical EBG structures with defects and allows us to consider different types and locations of the sources. Discussions are given from the viewpoint of flexible design directive beam forming characteristics.