Abstract #1478

Passive shimming for a Portable Head-Only scanner

Mark Hunter¹, Konstantinos Bouloukakis¹, Sebastian Theilenberg², Naoharu Kobayashi³, Christoph Juchem^2,4, and Ben J Parkinson¹

¹Robinson Research Institute, Faculty of Engineering, Victoria University of Wellington, Lower Hutt, New Zealand, ²Department of Biomedical Engineering, Columbia University in the City of New York, New York, NY, United States, ³Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN, United States, ⁴Department of Radiology, Columbia University in the City of New York, New York, NY, United States

Part of a collaboration under NIH grant U01EB025153 is leading to the development of a highly compact brain imaging scanner. In order to realize the required B₀ uniformity of the scanner, we have developed passive shimming techniques that will be robust despite a low field uniformity and non-cylindrical magnet warm bore layout. This presentation describes the methods and results we will use to shim our compact scanner.

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