International Journal on Magnetic Particle Imaging IJMPI
Vol. 9 No. 1 Suppl 1 (2023): Int J Mag Part Imag
https://doi.org/10.18416/IJMPI.2023.2303023

Proceedings Articles

Flexible Selection Field Generation using Iron Core Coil Arrays

Main Article Content

Fynn Foerger (Section for Biomedical Imaging, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, Germany), Niklas Hackelberg (Section for Biomedical Imaging, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, Germany), Marija Boberg (Section for Biomedical Imaging, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, Germany), Jan-Philipp Scheel (Fraunhofer Research Institute for Individualized and Cell-based Medicine, IMTE, Lübeck, Germany), Florian Thieben (Section for Biomedical Imaging, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, Germany), Liana Mirzojan (Fraunhofer Research Institute for Individualized and Cell-based Medicine, IMTE, Lübeck, Germany), Fabian Mohn (Section for Biomedical Imaging, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, Germany), Martin Möddel (Section for Biomedical Imaging, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, Germany), Matthias Graeser (Fraunhofer Research Institute for Individualized and Cell-based Medicine, IMTE, Lübeck, Germany), Tobias Knopp (Section for Biomedical Imaging, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, Germany)

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Abstract

Many different concepts for selection-field generators have been introduced for Magnetic Particle Imaging so far. In
this work, the field generation characteristics of an optimized iron core selection-field generator consisting of two
coil arrays with a total of 18 coils are presented. Due to the high number of degrees of freedom, a wide variety of
field configurations are possible. The setup allows the generation of arbitrarily shaped fields, including the standard
Magnetic Particle Imaging fields such as field-free points and field-free lines. In this work, field measurements are
presented and the current calculation method for generating a specific field configuration is discussed.

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