Design and Decoupling of a Parallel Transmit Head Coil at 7T Using Magnetic Walls
Ian R.O. Connell 1,2 , Kyle M. Gilbert 2 , Mohammed A. Abou-Khousa 2 , and Ravi S. Menon 2
University of Western Ontario, London,
for Functional and Metabolic Mapping, Robarts Research
Institute, London, Ontario, Canada
Mutual coupling is a long-standing and critical issue
that affects the performance of parallel transmit
arrays. Here, we implement a frequency selective surface
method to decouple array elements that helps realize the
benefits of RF shimming and pulse shaping algorithms,
while also increasing array transmit efficiency.
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