| Article | |
| Title | Frequency and spatially chirped free-electron laser pulses |
| Author(s) | Reiche, S (PSI, Villigen) ; Bacellar, C (PSI, Villigen) ; Bougiatioti, P (PSI, Villigen) ; Cirelli, C (PSI, Villigen) ; Dijkstal, P (PSI, Villigen ; DESY) ; Ferrari, E (PSI, Villigen ; DESY) ; Juranic, P (PSI, Villigen) ; Knopp, G ; Malyzhenkov, 2A (PSI, Villigen ; CERN) ; Milne, C (PSI, Villigen ; European XFEL, Hamburg) ; Nass, K (PSI, Villigen) ; Prat, E (PSI, Villigen) ; Vila-Comamala, J (PSI, Villigen) ; David, C (PSI, Villigen) |
| Publication | 2023 |
| Number of pages | 7 |
| In: | Phys. Rev. Res. 5 (2023) L022009 |
| DOI | 10.1103/physrevresearch.5.l022009 |
| Subject category | Nuclear Physics - Experiment |
| Abstract | We have produced hard x-ray free-electron laser (FEL) pulses, which are chirped both in photon energy and in spatial position. The experiments have been carried out at the hard x-ray beamline Aramis at SwissFEL, located at the Paul Scherrer Institute in Switzerland. The FEL beamline was operated without any external focusing and with a tilted, energy-chirped electron bunch, whose properties are then transferred to the photon beam. The resulting FEL pulses were used for a single-shot absorption x-ray spectroscopy experiment at the Alvra endstation. But, as will be outlined, applications of this type of tailored FEL pulse go beyond such experiments, allowing for x-ray pulse compression and control of the transverse coherence within the pulse |
| Copyright/License | Publication: (License: CC-BY-4.0) |
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