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@ARTICLE{Bahns:599224,
      author       = {Bahns, Immo and Rauer, Patrick and Rossbach, Joerg and
                      Sinn, Harald},
      title        = {{S}tability of {B}ragg reflectors under megahertz heat load
                      at {XFEL}s},
      journal      = {Journal of synchrotron radiation},
      volume       = {30},
      number       = {1},
      issn         = {0909-0495},
      address      = {[Erscheinungsort nicht ermittelbar]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PUBDB-2023-07231},
      pages        = {1 - 10},
      year         = {2023},
      abstract     = {Modern X-ray free-electron laser (XFEL) sources can deliver
                      photon pulses with millijoule pulse energies and megahertz
                      repetition rate. As shown by the simulations in this work,
                      for particular cases the dynamical heat load effects for
                      Bragg reflectors could cause problems at these facilities.
                      These problems would be underestimated if only quasi-static
                      thermoelastic simulations are considered. Nevertheless, for
                      the sake of simplicity the quasi-static approach is a common
                      choice for estimating heat load effects. To emphasize the
                      relevance of dynamical thermoelastic effects, the response
                      to the partial absorption of an X-ray pulse, as provided by
                      a saturated X-ray free-electron laser oscillator (XFELO) in
                      a single crystal diamond with a thickness of 100 µm and
                      lateral dimensions in the millimetre range, is discussed in
                      this work. The outcome of the dynamic thermoelastic
                      simulations indicates a clear dominance regarding the strain
                      value reached, which is present for consecutive X-ray matter
                      interactions with megahertz repetition rate.},
      cin          = {MXL / $XFEL_DO_ID_XRO$},
      ddc          = {550},
      cid          = {I:(DE-H253)MXL-20160301 /
                      $I:(DE-H253)XFEL_DO_ID_XRO-20210408$},
      pnm          = {621 - Accelerator Research and Development (POF4-621) /
                      6G13 - Accelerator of European XFEL (POF4-6G13)},
      pid          = {G:(DE-HGF)POF4-621 / G:(DE-HGF)POF4-6G13},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {36601921},
      UT           = {WOS:000908417600001},
      doi          = {10.1107/S1600577522009778},
      url          = {https://bib-pubdb1.desy.de/record/599224},
}