This work presents electrodynamic considerations and an RF applicator concept that permit MR imaging and RF energy focusing inside of the human brain using sub-nanosecond broadband electromagnetic pulses. Such pulses can deposit RF energy in a small, focal area for thermal intervention. To meet this goal proof-of-principle is provided through EMF simulations using a dual-mode RF applicator that combines antipodal Vivaldi antennae with loop elements.
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