Abstract #2457

Benefits of arbitrary gradient waveform design for diffusion encoding

Kevin Moulin^1,2,3, Mike Loecher^1,2, Matthew J Middione^1,2, and Daniel B Ennis^1,2,3

¹Department of Radiology, Stanford University, Stanford, CA, United States, ²Department of Radiology, Veterans Administration Health Care System, Palo Alto, CA, United States, ³Cardiovascular Institute, Stanford University, Stanford, CA, United States

Traditional diffusion encoding waveforms are usually composed of two symmetric trapezoidal gradients (TRAP). Shape-free arbitrary (ARB) gradient waveforms offer a higher b-value than ARBs. They can be designed analytically and symmetric or numerically and asymmetric. The objectives of this work were to analyze the performances of ARB and TRAP for asymmetric numerically designs and for symmetric analytically designed diffusion encoding gradient waveforms.

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