Now playing · 07 MRI
T1 recovery and T2 decay
M_z = 0.2212 a.u.
M
z
(
t
)
=
M
0
(
1
−
e
−
t
/
T
1
)
,
M
x
y
(
t
)
=
M
0
e
−
t
/
T
2
M_z(t)=M_0(1-e^{-t/T_1}),\quad M_{xy}(t)=M_0 e^{-t/T_2}
M
z
(
t
)
=
M
0
(
1
−
e
−
t
/
T
1
)
,
M
x
y
(
t
)
=
M
0
e
−
t
/
T
2
Mz after saturation and Mxy after a 90° pulse.
Laser