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Abstract #4295

Decoupling and Integration of Electric Dipoles into RF Arrays

Ian Robert Oliphant Connell1,2 and Ravi S Menon1,2

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

To-date, increasing interest in adapting dipole antennae for imaging at ultra-high field strengths has spawned the design and construction of many dipole-based RF arrays. However, increased electric-field interactions between dipole-to-sample and dipole-to-dipole provide an implementation barrier due to mutual coupling and load-sensitivity. This study presents an analysis of dipole-to-dipole coupling and implements a filter design method to isolate dipole elements in a highly-conformal array designed for human brain imaging at 7 Tesla.

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