Femtosecond single-shot phase-sensitive autocorrelator for the ultraviolet.

A single-shot phase-sensitive autocorrelator for the investigation of high-intensity ultraviolet laser pulses is developed and tested. The fluorescence of the two-photon-excited self-trapped excitons in BaF(2) is used as a nonlinear detector. Simultaneous measurements of subpicosecond KrF laser are reported.

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