Abstract #4422

A true comparison of B0 shimming with a very high order spherical harmonic based setup and a multi-coil shim array

Ali Aghaeifar^1,2, Paul Chang^1,2, Sahar Nassirpour^1,2, Martin Eschelbach¹, Anke Henning^1,3, and Klaus Scheffler^1,4

¹Max Planck Institute for Biological Cybernetics, Tuebingen, Germany, ²IMPRS for Cognitive and Systems Neuroscience, University of Tuebingen, Tuebingen, Germany, ³Institute of Physics, Ernst-Moritz-Arndt University, Greifswald, Germany, ⁴Department of Biomedical Magnetic Resonance, University of Tuebingen, Tuebingen, Germany

In this work, a true experimental comparison between a very high order spherical harmonic based shim setup and a multi-coil shim array is presented. Each technique has its own cons and pros which are studied through several often-used sequences. All evaluations are performed by shimming of the human brain at 9.4T.

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