Field Mapping II

Trajectories

of probe

By field weighted by the gradient

• Strategy:

  • measure one arm in detail, other in a few points, use symmetry
  • 45 deg trajectories
  • 3cm spacing between trajectories (40 trajectories)
  • B measurement every 1cm along trajectory
  • 3cm vertical spacing (5 planes in gap)

• 1 trajectory ~ 1/2 hrs

40x5x0.5 = 100hrs for

one current setting

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