Abstract #1545

Second resonance mode ensure intrinsic low coupling between elements on shielded-coaxial-cable coil designs

Sadri Güler^1,2, Vitaliy Zhurbenko³, Irena Zivkovic⁴, Vincent Oltman Boer¹, and Esben Thade Petersen^1,2

¹Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Amager and Hvidovre, Copenhagen, Denmark, ²Section for Magnetic Resonance, DTU Health Tech, Technical University of Denmark, Kgs Lyngby, Denmark, ³Department of Electrical Engineering, Technical University of Denmark, Kgs Lyngby, Denmark, ⁴Electrical Engineering Department, Technical University of Eindhoven, Eindhoven, Netherlands

Synopsis

The recent introduction of the flexible shielded-coaxial-cable coils (SCC) and their intrinsic high degree of decoupling between elements make them ideal for multichannel transceiver arrays needed for improved field homogeneity at ultra-high field MRI. In this work, we show the mode of operation of the SCC and that the selection of its second resonance mode is crucial to obtain its intrinsic high degree of decoupling between elements. We obtained this insight using both numerical simulations and an equivalent circuit model, which can guide to optimal SCC designs in the future.

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