Electrically Small Magnetic Dipole Antennas with Magnetic Core

Oleksiy S. Kim; Olav Breinbjerg

Electrically Small Magnetic Dipole Antennas with Magnetic Core

Oleksiy S. Kim, Olav Breinbjerg

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Abstract

This work extends the theory of a spherical magnetic dipole antenna with magnetic core by numerical results for practical antenna configurations that excite higher-order modes besides the main TE10 spherical mode. The multiarm spherical helix (MSH) and the spherical split ring (SSR) antennas are considered. It is shown that one should be particularly aware of the TM11 and TM20 modes, whose resonances spoil the Q in a range of permeability of the core predicted to be optimal by the single-mode theory. Practical ways of suppressing these higher-order modes are presented.

Original language	English
Title of host publication	Proceedings of the 4th European Conference on Antennas and Propagation
Publisher	IEEE
Publication date	2010
Pages	1-4
ISBN (Print)	978-1-4244-6431-9
Publication status	Published - 2010
Event	4th European Conference on Antennas and Propagation - Barcelona, Spain Duration: 12 Apr 2010 → 16 Apr 2010 Conference number: 4 http://www.eucap2010.org/

Conference

Conference	4th European Conference on Antennas and Propagation
Number	4
Country/Territory	Spain
City	Barcelona
Period	12/04/2010 → 16/04/2010
Internet address	http://www.eucap2010.org/

Bibliographical note

Copyright 2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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title = "Electrically Small Magnetic Dipole Antennas with Magnetic Core",

abstract = "This work extends the theory of a spherical magnetic dipole antenna with magnetic core by numerical results for practical antenna configurations that excite higher-order modes besides the main TE10 spherical mode. The multiarm spherical helix (MSH) and the spherical split ring (SSR) antennas are considered. It is shown that one should be particularly aware of the TM11 and TM20 modes, whose resonances spoil the Q in a range of permeability of the core predicted to be optimal by the single-mode theory. Practical ways of suppressing these higher-order modes are presented.",

author = "Kim, {Oleksiy S.} and Olav Breinbjerg",

note = "Copyright 2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.; 4th European Conference on Antennas and Propagation, EuCAP 2010 ; Conference date: 12-04-2010 Through 16-04-2010",

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AU - Kim, Oleksiy S.

AU - Breinbjerg, Olav

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N2 - This work extends the theory of a spherical magnetic dipole antenna with magnetic core by numerical results for practical antenna configurations that excite higher-order modes besides the main TE10 spherical mode. The multiarm spherical helix (MSH) and the spherical split ring (SSR) antennas are considered. It is shown that one should be particularly aware of the TM11 and TM20 modes, whose resonances spoil the Q in a range of permeability of the core predicted to be optimal by the single-mode theory. Practical ways of suppressing these higher-order modes are presented.

AB - This work extends the theory of a spherical magnetic dipole antenna with magnetic core by numerical results for practical antenna configurations that excite higher-order modes besides the main TE10 spherical mode. The multiarm spherical helix (MSH) and the spherical split ring (SSR) antennas are considered. It is shown that one should be particularly aware of the TM11 and TM20 modes, whose resonances spoil the Q in a range of permeability of the core predicted to be optimal by the single-mode theory. Practical ways of suppressing these higher-order modes are presented.

M3 - Article in proceedings

SN - 978-1-4244-6431-9

SP - 1

EP - 4

BT - Proceedings of the 4th European Conference on Antennas and Propagation

PB - IEEE

T2 - 4th European Conference on Antennas and Propagation

Y2 - 12 April 2010 through 16 April 2010

ER -

Electrically Small Magnetic Dipole Antennas with Magnetic Core

Abstract

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