Abstract
AbstractWe present EUV autocorrelation measurements of free-electron laser (FEL) pulses at 28 eV photon energy exploiting multiple ionization of argon as a non-linear process. In this way, the average pulse duration is measured while in parallel insight is gained into the temporal structure of the pulses. We compare the obtained results with FEL pulse simulations using our partial-coherence method (T. Pfeifer et al., Opt. Lett. 35:3441 (2010)).KeywordsCoherence TimeMultiple IonizationAutocorrelation SignalAutocorrelation TraceVibrational Wave PacketThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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