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Abstract #3817

A Distributed Impedance Model for the Shielded 7T Inductive Head Coil

Joseph Murphy-Boesch1

1NINDS/LFMI, National Institutes of Health, Bethesda, MD, United States

The isolated meshes of the Inductive Resonator couple via strong mutual inductance to develop a high-pass distribution of modes for the coil. While simple mutual inductive coupling of neighboring meshes can accurately fit the modes of low frequency resonators, this model does not work for the shielded 7T head coil. Here, a transmission line and distributed impedance model is developed for the shielded 7T inductive resonator that accurately describes its modes and provides a model for high-frequency design.