An Optimized Composite Refocusing Pulse for Ultra-High Field MRI


Purpose At high magnetic fields, the wavelengths of the RF pulses transmitted in MRI are comparable to the size of the human torso/head [1], which gives rise to inhomogeneous B1 fields. Variations of the RF field can be reduced (for example) by the use of tailored slice-selective pulses optimized for the desired excitation profile [2] based on spokes or an… (More)


1 Figure or Table

Slides referencing similar topics