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The beam transport system for the Small Quantum Systems instrument at the European XFEL: optical layout and first commissioning results.

Tommaso MazzaThomas M BaumannRebecca BollAlberto De FanisPatrik GrychtolMarkus IlchenJacobo MontañoValerija MusicYevheniy OvcharenkoNils RennhackDaniel E RivasAljoscha RörigPhilipp SchmidtSergey UsenkoPawel ZiołkowskiDaniele La CivitaMaurizio VannoniHarald SinnBarbara KeitelElke PlönjesUlf Fini JastrowAndrey SorokinKai TiedtkeKlaus MannBernd SchäferNiels BreckwoldtSang Kil SonMichael Meyer
Published in: Journal of synchrotron radiation (2023)
The Small Quantum Systems instrument is one of the six operating instruments of the European XFEL, dedicated to the atomic, molecular and cluster physics communities. The instrument started its user operation at the end of 2018 after a commissioning phase. The design and characterization of the beam transport system are described here. The X-ray optical components of the beamline are detailed, and the beamline performances, transmission and focusing capabilities are reported. It is shown that the X-ray beam can be effectively focused as predicted by ray-tracing simulations. The impact of non-ideal X-ray source conditions on the focusing performances is discussed.
Keyphrases
  • electron microscopy
  • high resolution
  • monte carlo
  • patient reported outcomes
  • molecular dynamics
  • dual energy
  • high speed
  • computed tomography
  • mass spectrometry