2016_Imaging for Physicists
Setup of experiments to characterize magnetic field inhomogeneity and gradient non-linearity
zyx B ) , ,(
G zyxB x x x ) , ,( ∆
Experiment 1: • phase encoding along y • Frequency encoding along x
∆ +=
+
0
1
G
G
x
x
G B y y y ∆ +=
1
G
y
G B x x x ∆ +=
Experiment 2: • phase encoding along x • Frequency encoding along y
2
G
∆ += x
zyx B ) , ,(
∆
G zyxB y y y ) , ,(
+
0
2
G
G
y
y
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