Abstract #3104
Changes in neighbor and next-nearest-neighbor coupling of transmit/receive arrays in the presence of close-fitting high permittivity materials
Gillian G Haemer 1,2 , Manushka V Vaidya 1,2 , Christopher M Collins 1,2 , and Graham C Wiggins 1
1
The Center for Advanced Imaging Innovation
and Research, and the Center for Biomedical Imaging,
Department of Radiology, New York University School of
Medicine, New York, NY, United States,
2
The
Sackler Institute of Graduate Biomedical Sciences, New
York University School of Medicine, New York, NY, United
States
The use of high permittivity materials (HPMs) can
improve coil performance at ultra high field. Much
recent experimental work performed with HPMs has been
done with prefabricated coils and/or standardized
clinical coils, built without the use of dielectric
materials in mind. However, close-fitting transmit
arrays are at risk of interacting closely with the HPM,
and therefore having their performance in the presence
of the HPM affected. Here we explore how HPMs proximal
to a set of three geometrically decoupled coils affect
their performance and decoupling.
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