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@INBOOK{Rial:641721,
      author       = {Rial, Ed and Meseck, Atoosa and Bahrdt, Johannes and Bakos,
                      Juergen and Gaebel, Simon and Gottschlich, Stefan and
                      Grimmer, Stefan and Karimi, Kiarash and Kuhn, Carsten and
                      Laube, Florian and Rogosch-Opolka, Annette and Schäfer, S.
                      and Scheer, Michael and Strehlke, M. and Volz, Paul},
      title        = {{U}ndulators for {BESSY} {III}},
      address      = {Switzerland},
      publisher    = {JACoW Publishing},
      reportid     = {PUBDB-2025-05132},
      pages        = {1219-1222},
      year         = {2023},
      abstract     = {HZB is in the process of developing a concept for a
                      successor to the BESSY II synchrotron facility. The new
                      facility will build on the strengths developed in Berlin
                      over the last twenty years in delivering flexibly polarised
                      soft X-Rays to dozens of beamlines. The successor facility
                      BESSY III is planned to operate at 2.5GeV, in comparison to
                      the 1.7GeV operation of BESSY II. This makes it easier to
                      achieve the goal of delivering 1keV photons to beamlines on
                      the first harmonic of our APPLE II Insertion Devices. It
                      also makes it easier to achieve the aspiration of delivering
                      tender X-Rays up to 10keV more routinely to users utilising
                      in-vacuum APPLE II devices*, Cryogenic Permanent Magnet
                      Undulators (CPMUs) or Cryogenic APPLE devices[2]. However,
                      it also presents challenges in delivering the low energy
                      photons below 10 eV, as period lengths of the relevant
                      undulators must be increased, which in turn increases
                      on-axis power. APPLE-KNOT designs will be pursued to
                      overcome this issue. The undulator group will also be
                      planning Double Period Undulators[3] to offer beamlines
                      broad spectrum coverage from 50eV to 10keV on the 1st and
                      3rd harmonics. This paper outlines the first choices of
                      undulators to be available to the successor facility BESSY
                      III.},
      month         = {May},
      date          = {2023-05-07},
      organization  = {14th International Particle
                       Accelerator Conference, Venice (Italy),
                       7 May 2023 - 12 May 2023},
      keywords     = {Accelerator Physics (Other) /
                      mc2-photon-sources-and-electron-accelerators - MC2: Photon
                      Sources and Electron Accelerators (Other) /
                      mc2-t15-undulators-and-wigglers - MC2.T15: Undulators and
                      Wigglers (Other)},
      pnm          = {LEAPS-INNOV - LEAPS pilot to foster open innovation for
                      accelerator-based light sources in Europe (101004728)},
      pid          = {G:(EU-Grant)101004728},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.18429/JACOW-IPAC2023-MOPM103},
      url          = {https://bib-pubdb1.desy.de/record/641721},
}