The multi-orientation B1 mapping method successfully created a first-ever radio-frequency 3D vector magnetic field map in a liquid phantom using MRI. Hard work by Hyeong-Seop Kim to interface a custom-made surface coil with a commercial 3T scanner, unaffected by large orientation changes of the RF coil, paid off to conduct experiments reproducibly. The results are nicely visualized above in a spinning 3D GIF animation created from within Matlab.
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