Abstract #3771
Simulation Techniques for Susceptibility Optimisation of Field Probes
Wieland A. Worthoff 1 , Stefan Schwan 1 , Johannes Lindemeyer 1 , and N. Jon Shah 1,2
1
Institute of Neuroscience and Medicine,
Forschungszentrum Jlich GmbH, Jlich, Germany,
2
Faculty
of Medicine, Department of Neurology, RWTH Aachen
University, JARA, Aachen, Germany
We present results from simulations of the magnetic
fields generated by the susceptibility distribution of a
field probe and its magnetic environment. In particular,
the effect of an unmatched object residing at various
distances in the vicinity of the probe is evaluated
numerically and verified experimentally on a 9.4 T MRI
scanner. Furthermore, we explore the impact of a
susceptibility mismatch between the sample droplet and
the liquid buffers on the field homogeneity within the
droplet as well as the relationship to the length of
buffers in order to optimize the field probe signal.
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