Abstract #1317

Analytic description of the magnetisation phase during excitation

Bahman Tahayori^1,2, Zhaolin Chen², Gary Egan², and N. Jon Shah^1,2,3

¹Dept. Electrical and Computer Systems Engineering, Monash Institute of Medical Engineering, Monash University, Clayton, Australia, ²Monash Biomedical Imaging, Monash University, Clayton, Australia, ³Faculty of Medicine, Department of Neurology, JARA, RWTH Aachen University, Aachen, Germany

An approximate analytic expression is calculated for the phase of the transverse magnetisation during the excitation period. A spherical Bloch equation is used to find this expression. Simulation results are in agreement with the analytic solution. This analytic solution can be used where the phase information is required and, therefore, may be used to improve the performance of imaging through optimal pulse sequence design.

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