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Abstract #4278

3D volumetric parallel excitation at 9.4T using the trajectory container concept

Tingting Shao1, Nikolai I. Avdievich1, and Anke Henning1,2

1Max Planck Institute for Biological Cybernetics, Tübingen, Germany, 2Institute of Biomedical Engineering, University and ETH, Zürich, Switzerland

This work presents experimental results of 3D volumetric parallel excitation at a 9.4T human whole-body MRI scanner. The approach and concept of a “trajectory container” is adopted to match practical considerations. The “trajectory container” is used to shape the k space trajectory and restrict it to a limited traversing area in the k space and therefore to constrain the pulse duration. A simplified and direct way of the definition of the “trajectory container” is proposed and verified with promising experimental results.

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