Analysis of Radiation from Line Source Located in Cylindrical Electromagnetic Bandgap Structures with Defects

Vakhtang JANDIERI; Kiyotoshi YASUMOTO; Young-Ki CHO

doi:10.1587/transele.E94.C.1245

Analysis of Radiation from Line Source Located in Cylindrical Electromagnetic Bandgap Structures with Defects

Vakhtang JANDIERI, Kiyotoshi YASUMOTO, Young-Ki CHO

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A semi-analytical approach for analyzing the electromagnetic radiation of a line source in cylindrical electromagnetic bandgap (EBG) structure is presented. The cylindrical structure is composed of circular rods periodically distributed along concentrically layered circular rings. The method uses the T-matrix of a circular rod in isolation, the reflection and transmission matrices of a cylindrical array expressed in terms of the cylindrical waves as the basis, and the generalized reflection and transmission matrices for a layered cylindrical structure. Using the proposed method, the radiated field from a line source placed inside a three-layered cylindrical EBG structure with defects is investigated. The defects are created by removing the particular circular rods from each circular ring. The structure is prominent from the viewpoint of flexible design of the directive antennas. Numerical examples demonstrate that the cylindrical EBG structures are very effective at forming and controlling the directed beam in the radiated fields.

Publication: IEICE TRANSACTIONS on Electronics Vol.E94-C No.8 pp.1245-1252

Publication Date: 2011/08/01

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Online ISSN: 1745-1353

DOI: 10.1587/transele.E94.C.1245

Type of Manuscript: PAPER

Category: Electromagnetic Theory

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Vakhtang JANDIERI, Kiyotoshi YASUMOTO, Young-Ki CHO, "Analysis of Radiation from Line Source Located in Cylindrical Electromagnetic Bandgap Structures with Defects" in IEICE TRANSACTIONS on Electronics, vol. E94-C, no. 8, pp. 1245-1252, August 2011, doi: 10.1587/transele.E94.C.1245.
Abstract: A semi-analytical approach for analyzing the electromagnetic radiation of a line source in cylindrical electromagnetic bandgap (EBG) structure is presented. The cylindrical structure is composed of circular rods periodically distributed along concentrically layered circular rings. The method uses the T-matrix of a circular rod in isolation, the reflection and transmission matrices of a cylindrical array expressed in terms of the cylindrical waves as the basis, and the generalized reflection and transmission matrices for a layered cylindrical structure. Using the proposed method, the radiated field from a line source placed inside a three-layered cylindrical EBG structure with defects is investigated. The defects are created by removing the particular circular rods from each circular ring. The structure is prominent from the viewpoint of flexible design of the directive antennas. Numerical examples demonstrate that the cylindrical EBG structures are very effective at forming and controlling the directed beam in the radiated fields.
URL: https://globals.ieice.org/en_transactions/electronics/10.1587/transele.E94.C.1245/_p

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@ARTICLE{e94-c_8_1245,
author={Vakhtang JANDIERI, Kiyotoshi YASUMOTO, Young-Ki CHO, },
journal={IEICE TRANSACTIONS on Electronics},
title={Analysis of Radiation from Line Source Located in Cylindrical Electromagnetic Bandgap Structures with Defects},
year={2011},
volume={E94-C},
number={8},
pages={1245-1252},
abstract={A semi-analytical approach for analyzing the electromagnetic radiation of a line source in cylindrical electromagnetic bandgap (EBG) structure is presented. The cylindrical structure is composed of circular rods periodically distributed along concentrically layered circular rings. The method uses the T-matrix of a circular rod in isolation, the reflection and transmission matrices of a cylindrical array expressed in terms of the cylindrical waves as the basis, and the generalized reflection and transmission matrices for a layered cylindrical structure. Using the proposed method, the radiated field from a line source placed inside a three-layered cylindrical EBG structure with defects is investigated. The defects are created by removing the particular circular rods from each circular ring. The structure is prominent from the viewpoint of flexible design of the directive antennas. Numerical examples demonstrate that the cylindrical EBG structures are very effective at forming and controlling the directed beam in the radiated fields.},
keywords={},
doi={10.1587/transele.E94.C.1245},
ISSN={1745-1353},
month={August},}

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TY - JOUR
TI - Analysis of Radiation from Line Source Located in Cylindrical Electromagnetic Bandgap Structures with Defects
T2 - IEICE TRANSACTIONS on Electronics
SP - 1245
EP - 1252
AU - Vakhtang JANDIERI
AU - Kiyotoshi YASUMOTO
AU - Young-Ki CHO
PY - 2011
DO - 10.1587/transele.E94.C.1245
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E94-C
IS - 8
JA - IEICE TRANSACTIONS on Electronics
Y1 - August 2011
AB - A semi-analytical approach for analyzing the electromagnetic radiation of a line source in cylindrical electromagnetic bandgap (EBG) structure is presented. The cylindrical structure is composed of circular rods periodically distributed along concentrically layered circular rings. The method uses the T-matrix of a circular rod in isolation, the reflection and transmission matrices of a cylindrical array expressed in terms of the cylindrical waves as the basis, and the generalized reflection and transmission matrices for a layered cylindrical structure. Using the proposed method, the radiated field from a line source placed inside a three-layered cylindrical EBG structure with defects is investigated. The defects are created by removing the particular circular rods from each circular ring. The structure is prominent from the viewpoint of flexible design of the directive antennas. Numerical examples demonstrate that the cylindrical EBG structures are very effective at forming and controlling the directed beam in the radiated fields.
ER -