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Abstract #2141

Design of RF Coils Mixing Elements of Dissimilar Radiation Pattern

Ian RO Connell1,2 and Ravi S Menon1,2

1Centre for Functional and Metabolic Mapping, Robarts Research Institute, London, ON, Canada, 2Department of Medical Biophysics, University of Western Ontario, London, ON, Canada

At ultra-high field (UHF), multi-channel radio-frequency (RF) arrays have found increasing utility in mitigating wave-like behaviour during transmission (1), while continuing to provide increases in sensitivity to MRI signal with densely filled conformal receive arrays (2). In an effort to more efficiently excite spin populations, and increase sensitivity to the transverse magnetization during relaxation, work into mixing array elements of dissimilar radiation pattern has been demonstrated to better encapsulate UHF ideal current patterns (3). Application of our method - coupling matrix synthesis - is used to robustly decouple a sample of these array-types.

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