A Broadside-Split-Ring Resonator-Based Coil for MRI at 7 T

A Broadside-Split-Ring Resonator-Based Coil for MRI at 7 T

A coil design termed as broadside-coupled loop (BCL) coil and based on the broadside-coupled split ring resonator (BC-SRR) is proposed as an alternative to a conventional loop design at 7T. The BCL coil has an inherent uniform current which assures the rotational symmetry of the radio-frequency fiel...

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Bibliographic Details
Published in:IEEE transactions on medical imaging Vol. 32; no. 6; pp. 1081 - 1084
Main Authors: Freire, M. J., Lopez, M. A., Meise, F., Algarin, J. M., Jakob, P. M., Bock, M., Marques, R.
Format: Journal Article
Language:English
Published: United States IEEE 01-06-2013
Subjects:
Capacitance
Capacitors
Coils
Computer Simulation
Magnetic resonance imaging
Magnetic resonance imaging (MRI)
Magnetic Resonance Imaging - instrumentation
Magnetic Resonance Imaging - methods
meta materials
Metamaterials
Phantoms, Imaging
Radio frequency
Signal to noise ratio
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Summary:A coil design termed as broadside-coupled loop (BCL) coil and based on the broadside-coupled split ring resonator (BC-SRR) is proposed as an alternative to a conventional loop design at 7T. The BCL coil has an inherent uniform current which assures the rotational symmetry of the radio-frequency field around the coil axis. A comparative analysis of the signal-to-noise ratio provided by BCL coils and conventional coils has been carried out by means of numerical simulations and experiments in a 7T whole body system.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0278-0062
1558-254X
DOI:10.1109/TMI.2013.2253488