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Q: Fachverband Quantenoptik und Photonik
Q 59: Lasers II
Q 59.8: Vortrag
Freitag, 15. März 2024, 12:45–13:00, HS 1015
X-ray photon diagnostics at the European X-ray Free Electron Laser — •Jan Grünert, Joakim Laksman, Jia Liu, Wolfgang Freund, Tuba Conka Yildiz, Florian Dietrich, Naresh Kujala, Theophilos Maltezopoulos, and Andreas Koch — European XFEL, Holzkoppel 4, 22869 Schenefeld
The European X-ray Free-Electron Laser (European XFEL), the world’s largest and brightest X-ray free-electron laser, went into operation in 2017. It is a large-scale accelerator-based photon source that provides beams of ultrashort (femtosecond), highly coherent and very intense (exceeding 1013 photons per pulse) X-ray pulses at high repetition rate (up to 4.5 MHz) to scientific users in various fundamental science fields like bio-molecular dynamical structure determination, femtosecond chemistry, materials research under extreme conditions and many more.
This contribution provides an overview of the x-ray photon diagnostics for this facility, the diagnostics commissioning and their application for commissioning of the facility as well as exciting results from the first years of user operation. The beam properties assessed by photon diagnostics include per-pulse intensity, beam position and shape, lateral dimensions, spectral properties and temporal characteristics.
This contribution strives to provide an overview for newcomers to the field of ultrafast X-ray science, but at the same time include new developments and recent results, which will be mentioned for the experts.
Keywords: XFEL; X-ray; Diagnostics; Free electron laser; beam characterization