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The spherical birdcage resonator

Authors
Journal
Journal of Magnetic Resonance (1969)
0022-2364
Publisher
Elsevier
Publication Date
Volume
94
Issue
3
Identifiers
DOI: 10.1016/0022-2364(91)90141-f

Abstract

Abstract A description of the operation of a spherical resonator capable of producing a uniform magnetic induction throughout a spherical volume is presented. Simple closed-form expressions for the spectrum of resonant frequencies are derived for both the low-pass and the high-pass configuration of the resonator and are shown to compare favorably with observation in an experimental coil system. It is shown that the spherical resonator produces a uniform spherical field of view when used as a magnetic resonance imaging radiofrequency coil.

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