Shot-to-shot two-dimensional photon intensity diagnostics within megahertz pulse-trains at the European XFEL.

ABSTRACT: Characterizing the properties of X-ray free-electron laser (XFEL) sources is a critical step for optimization of performance and experiment planning. The recent availability of MHz XFELs has opened up a range of new opportunities for novel experiments but also highlighted the need for systematic measurements of the source properties. Here, MHz-enabled beam imaging diagnostics developed for the SPB/SFX instrument at the European XFEL are exploited to measure the shot-to-shot intensity statistics of X-ray pulses. The ability to record pulse-integrated two-dimensional transverse intensity measurements at multiple planes along an XFEL beamline at MHz rates yields an improved understanding of the shot-to-shot photon beam intensity variations. These variations can play a critical role, for examp

SUBMITTER: Guest TW 

PROVIDER: S-EPMC9255581 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature