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Abstract #4249

A novel gradient pattern for pre-emphasis

Magdoom Kulam Najmudeen1, Malisa Sarntinoranont2, and Thomas H Mareci2
1SQITS/NICHD, National Institute of Health, Bethesda, MD, United States, 2University of Florida, Gainesville, FL, United States

A new gradient pattern is introduced for performing pre-emphasis by uniform bandlimited excitation of eddy current and mechanical eigenmodes of the gradient system. The presented pattern is shown to be more effective in eliciting the gradient response than the energy equivalent trapezoidal pulse. This approach may allow the design of gradient waveforms that reduce artifacts in PFG experiments, e.g. measuring very slow diffusion and flow.

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