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@INPROCEEDINGS{Bolat:619467,
      author       = {Bolat, Hakan and Schoeps, Andreas and Tischer, Markus and
                      Trunk, Maximilian and Vagin, Pavel},
      title        = {{D}evelopment of cryogenically cooled permanent magnet
                      undulators for {PETRA} {IV}},
      journal      = {Journal of physics / Conference Series},
      volume       = {3010},
      number       = {1},
      issn         = {1742-6588},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PUBDB-2024-07660},
      pages        = {012001},
      year         = {2025},
      abstract     = {Cryogenically cooled permanent magnet undulators (CPMUs)
                      are an improvement of the in-vacuum undulators (IVUs) which
                      are widely used at various synchrotron radiation facilities
                      and free-electron lasers in order to improve the photon flux
                      towards shorter wavelengths. Especially beamlines with the
                      need for high energy photons will benefit from shorter
                      period insertion devices (IDs). For the planned ultra-low
                      emittance photon source PETRA IV at Deutsches
                      Elektronen-Synchrotron (DESY), we are designing CPMUs with a
                      hybrid magnet structure based on PrFeB magnet material.
                      First prototyping was done on magnet keepers and the
                      pole-tuning mechanism. In addition, options for
                      force-compensation are assessed. Crucial components are the
                      link rods connecting the in-vacuum girders with load bearing
                      out-of-vacuum girders. Simulations on the impact of their
                      arrangement on the bending of the magnet structure and their
                      thermal behaviour are presented.},
      month         = {Aug},
      date          = {2024-08-26},
      organization  = {15th International Conference on
                       Synchrotron Radiation Instrumentation,
                       Hamburg (Germany), 26 Aug 2024 - 30 Aug
                       2024},
      cin          = {FS-US / ZM1 / MLS},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-US-20120731 / I:(DE-H253)ZM1-20120731 /
                      I:(DE-H253)MLS-20210107},
      pnm          = {621 - Accelerator Research and Development (POF4-621)},
      pid          = {G:(DE-HGF)POF4-621},
      experiment   = {EXP:(DE-H253)PETRAIV-20220101},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
      doi          = {10.1088/1742-6596/3010/1/012001},
      url          = {https://bib-pubdb1.desy.de/record/619467},
}