Abstract #3103
Evaluation of Displacement Currents and Conduction Currents in a Close Fitting Head Array with High Permittivity Material
ChristopherM. M. Collins 1,2 , Giuseppe Carluccio 1,2 , Manushka Vaidya 1,2 , Gillian Haemer 1,2 , Riccardo Lattanzi 1,2 , Graham C. Wiggins 1,2 , Daniel K. Sodickson 1,2 , and Qing X. Yang 3
1
Center for Advanced Imaging Innovation and
Research (CAI2R), New York University School of
Medicine, New York, NY, United States,
2
Bernard
and Irene Schwartz Center for Biomedical Imaging, New
York University School of Medicine, New York, United
States,
3
Center
for NMR Research, Penn State College of Medicine,
Hershey, PA, United States
While most work with high permittivity materials (HPMs)
in MRI has been focused on improving SNR or transmit
efficiency for a relatively small region within a much
larger coil or array, more recent work demonstrates that
HPMs can also improve performance of smaller coils very
near the subject, as well as arrays of such coils for
the entire region of the anatomy they encompass. Here we
illustrate differences in the nature of coil
functionality when HPMs are present with graphical plots
and analysis of both conduction currents and
displacement currents.
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