In-room imaging and MR planning
Flip angle
• The degree of which the magnetization is tipped relative to B 0
due to an excitation pulse
• From Bloch’s considerations:
z
B 2 gt =
1
• t : duration of pulse
M
z
• B1: ~RF power
x
M
xy
y
Made with FlippingBook - professional solution for displaying marketing and sales documents online