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