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Hard X-ray Fourier transform holography at free electron lasers source

  • Wojciech Roseker,
  • Rustam Rysov,
  • Wonhyuk Jo,
  • Taito Osaka,
  • André Philippi-Kobs,
  • Leonard Müller,
  • Matthias Riepp,
  • Michael Walther,
  • Alexey Zozulya,
  • Lars Bocklage,
  • Felix Lehmkühler,
  • Fabian Westermeier,
  • Daniel Weschke,
  • Michael Sprung,
  • Ichiro Inoue,
  • Makina Yabashi,
  • Gerhard Grübel

摘要

We report on the feasibility of Fourier transform holography in the hard X-ray regime using a Free Electron Laser source. Our study shows successful single and multi-pulse holographic reconstructions of the nanostructures. We observe beam-induced heating of the sample exposed to the intense X-ray pulses leading to reduced visibility of the holographic reconstructions. Furthermore, we extended our study exploring the feasibility of recording holographic reconstructions with hard X-ray split-and-delay optics. Our study paves the way towards studying dynamics at sub-nanosecond timescales and atomic lengthscales.