Abstract #0766

First prototype of a Stream-Function-based Multi-Coil Array dedicated to human brain shimming at Ultra-High-Field

Bruno Pinho Meneses^1,2, Jason Stockmann^3,4, and Alexis Amadon¹

¹Neurospin/CEA-Saclay, Gif-sur-Yvette, France, ²Université Paris-Saclay, Saclay, France, ³Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA, United States, ⁴Harvard Medical School, Boston, MA, United States

Using Singular Value Decomposition of optimal Stream Functions computed from a database of 100 B₀ fieldmaps, a 13-channel cylindrical optimized Multi-Coil Array for shimming of the human brain is built and tested in an experimental setup for field measurement at 7T. Such measurements are compared to expected performances, serving as proof of concept for this novel design methodology. Performance is compared to what would be achieved by matrix multi-coil array designs patterned on a cylinder.

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