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@ARTICLE{Ladd:272502,
author = {Ladd, Mark E and Quick, Harald H and Scheffler, Klaus and
Speck, Oliver},
title = {{D}esign requirements for human {UHF} magnets from the
perspective of {MRI} scientists},
journal = {Superconductor science and technology},
volume = {37},
number = {11},
issn = {0953-2048},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {DZNE-2024-01178},
pages = {113001},
year = {2024},
abstract = {The highest magnetic field strength for human-sized
magnetic resonance imaging (MRI) currently lies at 11.7
tesla. Given the opportunities for enhanced sensitivity and
improved data quality at higher static magnetic fields,
several initiatives around the world are pursuing the
implementation of further human MRI systems at or above 11.7
tesla. In general, members of the magnetic resonance (MR)
research community are not experts on magnet technology.
However, the magnet is the technological heart of any MR
system, and the MRI community is challenging the magnet
research and design community to fulfill the current
engineering gap in implementing large-bore, highly
homogeneous and stabile magnets at field strengths that go
beyond the performance capability of niobium–titanium. In
this article, we present an overview of magnet design for
such systems from the perspective of MR scientists. The
underlying motivation and need for higher magnetic fields
are briefly introduced, and system design considerations for
the magnet as well as for the MRI subsystems such as the
gradients, the shimming arrangement, and the radiofrequency
hardware are presented. Finally, important limitations to
higher magnetic fields from physiological considerations are
described, operating under the assumption that any
engineering or economic barriers to realizing such systems
will be overcome.},
cin = {AG Speck},
ddc = {530},
cid = {I:(DE-2719)1340009},
pnm = {353 - Clinical and Health Care Research (POF4-353)},
pid = {G:(DE-HGF)POF4-353},
typ = {PUB:(DE-HGF)16},
doi = {10.1088/1361-6668/ad7d3f},
url = {https://pub.dzne.de/record/272502},
}