EE469B Topics

Characteristics of RF

Small-Tip-Angle Solutions
Fourier transform solution
Excitation k-space

Small-Tip-Angle Excitation Pulses
Slice-selective pulses
Multidimensional pulses
Spectral-spatial pulses

Large-Tip-Angle Solutions
Representation of rotations
Analyzing pulse sequences with spinors
Spinor solution to the Bloch equation, neglecting relaxation

Large-Tip-Angle Slice-Selective Pulses
Forward Shinnar-Le Roux (SLR) transform for RF pulse simulation
Inverse SLR transform for RF pulse design
Design relations for slice selective pulses
Spectrally selective pulses

Adiabatic Pulses
Adiabatic inversion pulse solution to the Bloch equation
Frequency sweep interpretation
Adiabatic excitation, spin-echo, and rotation pulses

Large-Tip-Angle Multidimensional Pulses
Inherently refocused pulses
Linear-large-flip angle multidimensional pulses,
Large-flip-angle pulses with one non-linear dimension
Large-flip-angle spectral-spatial pulses

Parallel Excitation
Parallel transmit pulse design
B1 Mapping

Self-Refocusing Pulses
Spinor analysis of a spin-echo pulse sequence
True self-refocusing pulses
Spin-echo pulse pairs

Multislice Pulses
Hadamard excitation pulses
Phase-offset Multiplanar (POMP) pulses

Imaging Short T2 Species
Short-T2 pulse sequences
Half-pulse excitation
Long-T2 suppression pulses

Magnetization Transfer
Model of magnetization transfer (MT)
Types of MT pulses
Relationship between MT and power

Steady-State Pulse Sequences
Steady-state slice profiles
RF pulse design for steady-state sequences
Steady-state catalyzation and transition pulses

Spin-Echo Pulse Trains
Fast-spin-echo (FSE) and RARE pulse sequences
FSE slice profiles
Design of FSE refocusing pulses
Design of FSE pulse trains