Abstract #4856
Designing biplanar gradient coils with minimum power dissipation for NMR microscopy
Peter T. While 1 , Markus V. Meissner 1 , and Jan G. Korvink 1,2
1
Department of Microsystems Engineering
(IMTEK), Laboratory for Simulation, University of
Freiburg, Freiburg im Breisgau, Baden-Wrttemberg,
Germany,
2
Freiburg Institute for Advanced
Studies (FRIAS), University of Freiburg, Freiburg im
Breisgau, Baden-Wrttemberg, Germany
High-resolution NMR microscopy demands strong gradient
fields. Power dissipation in micro-gradient coils is a
primary concern and must be controlled carefully to
avoid over-heating the system or the sample and to
maximize the duty cycle. In this work, a recently
reported method for designing minimum power gradient
coils that accounts for the subsequent means of
fabrication is applied to the design of a 3-axis
biplanar micro-gradient system. A survey of results is
presented, comparing coils designed for x-, y- and
z-gradients, using both the standard and the new
approach, and contrasting the merits of building using
tracks or wires.
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