Abstract #1016
Continuous 3rd-order field monitoring: Design and application for single-shot shim characterization
Benjamin E. Dietrich 1 , David O. Brunner 1 , S. Johanna Vannesjo 1 , Yolanda Duerst 1 , Bertram J. Wilm 1 , and Klaas P. Pruessmann 1
1
Institute for Biomedical Engineering,
University and ETH Zurich, Zurich, Switzerland
A recently proposed method based on time interleaved
acquisition of sets of fast relaxing NMR probes allows
for continuous, sequence independent dynamic magnetic
field monitoring. As compared to field monitoring
relying on single coherence probe acquisitions, this
approach removes the limitations in terms of coverable
k-space range, acquisition duration and duty cycle. In
this work a new 32 channel field camera designed
specifically for continuous higher order field
monitoring is introduced. The field camera is then used
to measure shim impulse response functions within a
single-shot of just a few seconds.
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