Balancing a 500 mm central gap split gradient coil for a hybrid MRI-linac scanner.

This study aims to present a robust guideline to design a 500 mm transversal and 620 mm axial gap split x-gradient coil to be installed in a hybrid Linac-MRI scanner. The target torque (force) was varied from 0 to 15 Nm (15N) while the changes on slew rate, achieved net torque (force), peak current density, average power loss in the coil and cryostat and stored magnetic energy were observed. We found a nearly zero torque (force) coil capable to produce more than 200 T/m/s, and 33 T/mA.

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