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A Theoretical Study on Circular Wire and Flat Strip Conductor Inductance for Magnetic Resonance-Shielded Phased-Array Circular Coils

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Abstract

Phased-array radiofrequency (RF) coils are commonly used for signal reception in magnetic resonance for their large spatial coverage, typical of volume coils, and for their high signal-to-noise ratio, usually associated with surface coils. The simplest design of phased-array coils is an array of circular loops whose conductor can be constituted by flat strip or circular wire cross-sectional geometry, often partially enclosed in an RF shield for minimizing electromagnetic interference. This paper proposes a method for the analytical calculation of the mutual inductance between two circular loops constituting a dual-element phased-array coil by taking into account the conductor’s geometry and the effect of an eventual RF shield.

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Authors and Affiliations

  1. Institute of Clinical Physiology, National Research Council (CNR), Via Moruzzi 1, S. Cataldo, 56124, Pisa, Italy

    Giulio Giovannetti

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  1. Giulio Giovannetti
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Correspondence to Giulio Giovannetti.

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Giovannetti, G. A Theoretical Study on Circular Wire and Flat Strip Conductor Inductance for Magnetic Resonance-Shielded Phased-Array Circular Coils. Appl Magn Reson 50, 1391–1398 (2019). https://doi.org/10.1007/s00723-019-01162-4

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  • DOI: https://doi.org/10.1007/s00723-019-01162-4

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