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@INPROCEEDINGS{Vagin:580799,
      author       = {Vagin, P. and Winkler, J. and Bolat, H. and Schöps, A. and
                      Tischer, M.},
      title        = {{C}ontrol system for a variable period undulator prototype},
      journal      = {Journal of physics / Conference Series},
      volume       = {2380},
      number       = {1},
      issn         = {1742-6588},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PUBDB-2023-01447},
      pages        = {012024},
      year         = {2023},
      abstract     = {The magnetic structure of the proposed variable period
                      undulator consists of cylindrical magnets. Each magnet can
                      be rotated by a small stepper motor, in order to adjust the
                      magnetic field and form an arbitrarily shaped magnetic field
                      profile on-axis. Meanwhile, a short prototype exists,
                      equipped with a scalable control system to drive a large
                      amount of stepper motors. This paper describes details of
                      the control system implementation, results of the tests on
                      different rotary encoder concepts for a magnet positioning
                      feedback, and first magnetic measurements of the variable
                      period undulator prototype.},
      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-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
      doi          = {10.1088/1742-6596/2380/1/012024},
      url          = {https://bib-pubdb1.desy.de/record/580799},
}