T1 Saturation Effects

0

50

100

150

200

5

10

15

0

TR=100ms

Signal, arb

Larmor Frequency, MHz

TR=50ms

0

50

100

150

200

60

80

100

0

TR=2s

Signal, arb

Larmor Frequency, MHz

TR=1s

TR=0.5s

40

20

e.g., FLASH, f = {1-exp(-TR/T1)}exp(-TE/T2)

TR=20ms

1.5T

3.0T

4.0T

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