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Detailed frame-scan analysis. (A) Baseline fluorescence (dye distribution) in the zoomed-in region from Fig. 8. (B) A map showing wave peak time. (C) A map showing wave FDHM. (D) Time difference between actual time of wave maximum and expected time. Arrows indicate the gradient of wave peak time. (E) Wave “slowness,” i.e., highest resistance to wave traversal.
