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Frequency recognition algorithm for multiple exposures (FRAME) imaging based on spatial frequency division of the probe pulses [72]. (a) System schematic. (b) Sequence of reconstructed frames of a propagating femtosecond light pulse in a Kerr medium at 5 Tfps. The white dashed arc in 600-fs frame indicates the pulse’s position at 0 fs. (c) Vertically summed intensity profiles of (b).
