In Diffusion MR, short gradient pulses are often ascribed to generate oscillating signal curves. These characteristic oscillations or “peaks” appear if a certain characteristic length-scale in the underlying tissue is present. Mitra and Halperin mention the possibility of “Bragg Peaks” when using long gradient pulses. In this work we explicitly show and interpret the occurrence of such signal peaks under application of long gradient pulses in theory and simulation.
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