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Abstract #2705

Exploring New Possibilities in Array Design using Partially Orthogonal RF Resonators (Parti-Coils): A Numerical Simulation Study at 3 Tesla

Jorge Chacon-Caldera1, Matthias Malzacher1, Alexander Fischer1, and Lothar R. Schad1

1Computer Assisted Clinical Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany

Partially orthogonal RF resonators (Parti-coils) is a novel concept in which RF coils are extended in an orthogonal direction. This increases overlap distance between elements. Therefore, coil density can be optimized. We show alternative geometrical coil configurations in array design using Parti-coils and compare them to an array of traditional planar coils using numerical simulations. Parti-coils enhanced the flexibility in array design, increased the overlap distance between coils by a maximum 3.2-fold, decreased next-nearest neighbor coupling by more than 6dB, showed up to 6.6% higher |B1-|acc. penetration depth, and a factor 1.05 increase of |B1-|acc. at a ROI.

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