Meeting Banner
Abstract #2515

Numerical RF Pulse Optimization to Reduce Peak B1 for Multi-spectral Imaging around Metal Implants

Andrew M. Huettner 1 , Andrew S. Nencka 1 , L.Tugan Muftuler 2 , and Kevin M. Koch 3

1 Biophysics, The Medical College of Wisconsin, Milwaukee, Wisconsin, United States, 2 Neurosurgery, The Medical College of Wisconsin, Milwaukee, Wisconsin, United States, 3 Biophysics and Radiology, The Medical College of Wisconsin, Milwaukee, Wisconsin, United States

This work demonstrates nonlinear constrained numerical optimization for RF pulse design applied to a pulse sequence for multi-spectral imaging around metal implants. By reducing the peak B1 of the refocusing pulse though numerical optimization, the maximum tip angle permitted on the scanner, based on hardware and RF safety limits, was increased from 140 degrees to 180 degrees.

This abstract and the presentation materials are available to members only; a login is required.

Join Here