Abstract #4421

Improving Image Quality by Adjusting Relative Phases of Channels with a Two-element Rotating Coil Array at 9.4T

Mingyan Li¹, Ewald Weber¹, Jin Jin¹, Yasvir Tesiram², Thimo Hugger³, Simon Stark³, Feng Liu¹, Sven Junge³, and Stuart Crozier¹

¹School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane, Australia, ²Centre for Advanced Imaging, The University of Queensland, Brisbane, Australia, ³Bruker BioSpin MRI GmbH, Ettlingen, Germany

This work investigates the feasibility of incorporating an additional RF element to the rotating RF coil (RRFC) to improve imaging performance. The transmit profiles of the two-element rotating coil array were optimised by adjusting the interference patterns formed by two channels with varied relative phase. Combined with the previously developed rotating imaging scheme, an optimal relative phase was determined to produce an image uniformity of 93%.

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