Design of a 7 T Spiral Resonator-Based Filter for MRI Planar Array Coupling Reduction

Conference paper


Brizi, D., Fontana, N., Costa, F., Tiberi, G., Galante, A., Alecci, M. and Monorchio, A. (2020). Design of a 7 T Spiral Resonator-Based Filter for MRI Planar Array Coupling Reduction. 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, IEEECONF 2020 - Proceedings. Montreal, QC, Canada 05 - 10 Jul 2020 Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/ieeeconf35879.2020.9329519
AuthorsBrizi, D., Fontana, N., Costa, F., Tiberi, G., Galante, A., Alecci, M. and Monorchio, A.
TypeConference paper
Abstract

The design of a filter for the decoupling of a 7 T RF MRI planar array by using miniaturized spiral resonators is presented. First, we introduce the filter design guidelines and, then, we perform full-wave simulations on an arrangement of three adjacent MRI RF rectangular loops. The numerical results demonstrate that the proposed solution achieves excellent decoupling levels both between strictly adjacent and next-neighbors coils couples (better than -20 dB), while avoiding the use of additional lossy decoupling lumped elements connected into the coil array, hence accomplishing a mechanically robust and versatile design.

Year2020
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISSN1947-1491
Digital Object Identifier (DOI)https://doi.org/10.1109/ieeeconf35879.2020.9329519
Web address (URL)http://www.scopus.com/inward/record.url?eid=2-s2.0-85101643781&partnerID=MN8TOARS
Accepted author manuscript
License
File Access Level
Open
Publication dates
Online05 Jul 2020
Print17 Feb 2021
Publication process dates
Accepted05 Jun 2020
Deposited21 Jun 2022
ISBN978-1-7281-6670-4
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https://openresearch.lsbu.ac.uk/item/91061

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Accepted author manuscript
APS_2020_MRI_rev.doc
License: CC BY 4.0
File access level: Open

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