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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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