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@INPROCEEDINGS{Abenhaim:580553,
      author       = {Abenhaim, J. and Bolat, H. and Schöps, A. and Vagin, P.
                      and Tischer, M.},
      title        = {{D}evelopment of cryogenic undulators and measurement
                      equipment for {PETRA} {IV}},
      journal      = {Journal of physics / Conference Series},
      volume       = {2380},
      number       = {1},
      issn         = {1742-6588},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PUBDB-2023-01310},
      pages        = {012016},
      year         = {2023},
      abstract     = {DESY is planning to upgrade its current storage ring PETRA
                      III into the ultra-lowemittance photon source PETRA IV. The
                      current H6BA cell design for the PETRA IV latticewill allow
                      for insertion devices of up to 4 m length in the standard
                      straight sections. In order toallow some beamlines to not
                      only benefit from the performance improvements by the
                      machinebut also from the undulators, we started looking into
                      using advanced undulator schemes aswell. We decided to start
                      the design of cryogenically cooled permanent magnet
                      undulators(CPMUs) based on (Nd,Pr)FeB magnets for PETRA IV,
                      since this technique has already beenproven successfully by
                      various other facilities. We will present the planned design
                      for themagnet keepers, the pole tuning mechanism as well as
                      a testbed for keepers under cryogenicconditions. We will
                      also show a preliminary design for the in-situ Hall-probe
                      bench currentlydeveloped for the upcoming PETRA IV CPMUs.},
      month         = {Mar},
      date          = {2022-03-28},
      organization  = {14th International Conference on
                       Synchrotron Radiation Instrumentation,
                       Hamburg (Germany), 28 Mar 2022 - 1 Apr
                       2022},
      cin          = {FS-US / ZM1},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-US-20120731 / I:(DE-H253)ZM1-20120731},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631)},
      pid          = {G:(DE-HGF)POF4-631},
      experiment   = {EXP:(DE-H253)PETRAIV-20220101},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
      doi          = {10.1088/1742-6596/2380/1/012016},
      url          = {https://bib-pubdb1.desy.de/record/580553},
}