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RF Arrays for Head & Body


Avdievich,  N
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Avdievich, N. (2022). RF Arrays for Head & Body. Talk presented at Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022). London, UK. 2022-05-07 - 2022-05-12.

Cite as: https://hdl.handle.net/21.11116/0000-000A-5C8D-1
Improvement of SNR is a critical step in designing any MRI RF coil. Use of arrays instead of a single coil is a major technique for the SNR enhancement. Designing an Rx-array commonly includes a choice of the type of elements (e.g. loops, striplines, dipoles), number of elements, decoupling method, coverage. The most common element of Rx-arrays is a surface loop, which has been used for human Rx-array designs at lower (1.5T, 3T) and ultra-high field (UHF, >7T). The presentation overviews most important steps of designing RF arrays including an optimization of the individual elements, decoupling, detuning, interfacing, cable routing.