Magnetic Filed Shimming of a High Tc Superconducting Bulk Magnet Using a Cylindrical Single-Channel Shim Coil

Keywords

achieved acrylic advantages agreement although annular applied around assembly axis bore bulk captured carefully channel circular coated coil compactness comprised converted cooled cooling correct critical cross crystals cylindrical datasets density design designed developed development diameter difficult distortion distribution domain elements energized evaluation experiment experimental express field film fixed flat flexible foil function functions good gradient gradients homogeneity homogeneous horizontal improvement improvements improves inhomogeneous installed institute japan lattice least letters limited long loops made magnet magnets materials measured microscope multichannel narrow negative nonlinear novel operated operation optimized oriented pattern peak periodically permanent phantom physics pipe placed planar plastic plotted polyurethane positive projections prototyping pulse quantitative rapid readout rectangular reduced refill refrigerator reported required resolution room saddle sampled sections several shaped shim shimming smoothing solution space spatial square stream successfully superconducting superconductors surface temperature tendency theoretical theory thick tube usefulness variation various vertical water wide wire wound