Abstract #4002

Rotation optimization for semi-LASER implementation under the constraint of maximum gradient strength

Ralph Noeske¹

¹GE Healthcare, Potsdam, Germany

The semi-LASER sequence is less prone to chemical shift displacement errors and shows higher B₁-robustness compared to PRESS. To achieve short echo times high amplitude crusher gradients are used to suppress unwanted coherence signals. Goal of this work was to implement an algorithm that prevents violation of gradient strength constraints due to unrestricted rotation of the voxel while optimizing for shortest possible echo time.

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