International Journal on Magnetic Particle Imaging
Vol 6 No 2 Suppl 1 (2020): Int J Mag Part Imag

Proceedings Articles

Estimation of FFP accuracy in an MPI scanner with rotating magnets in Halbach arrangement

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Madleen Schoger , Alexander Hetznecker (Hochschule Pforzheim), Ulrich Heinen (Hochschule Pforzheim)


Possible arrangements for the encoding/excitation magnets in an MPI system with rotating permanent magnets were investigated regarding their sensitivity towards magnet misalignments and magnet interference. A slight interaction between neighboring magnet pairs is observed as well as a 179µm/° FFP shift in case of magnet rotation. The use of a Halbach type array further increases the encoding gradient field strength.
Int. J. Mag. Part. Imag. 6(2), Suppl. 1, 2020, Article ID: 2009012, DOI: 10.18416/IJMPI.2020.2009012

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