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@INPROCEEDINGS{Karabekyan:483009,
      author       = {Karabekyan, Suren and Abeghyan, Suren and Altmann, Philipp
                      and Bagha-Shanjani, Majid and Bahrdt, Johannes and Block,
                      Andreas and Brügger, Mark and Calvi, Marco and Casalbuoni,
                      Sara and Danner, Steffen and Decking, Winfried and Englisch,
                      Uwe and Freund, Wolfgang and Fröhlich, Lars and Ganter,
                      Romain and Geloni, Gianluca and Grünert, Jan and Hauf,
                      Steffen and Hensler, Olaf and Holz, Christian and Huber,
                      Lars and Keller, Andreas and Kim, Dong Eon and Kittel,
                      Christoph and La Civita, Daniele and Ladwig, Tobias and
                      Laksman, Joakim and Lenz, Dennis and Li, Yuhui and Liang,
                      Xiaoyang and Lipka, Dirk and Mamchyk, Denys and Mattusch,
                      Ronny and Mildner, Nils and Negodin, Evgueni and Planas,
                      Marc and Preisskorn, Florian and Prenting, Johannes and
                      Reiche, Sven and Saretzki, Fabian and Schlösser, Markus and
                      Schmidt, Marcus and Schmidt, Thomas and Schmidt-Föhre,
                      Frank and Schneidmiller, Evgeny and Scholz, Matthias and
                      Serkez, Svitozar and Sinn, Harald and Thoden, Daniel and
                      Wamsat, Thomas and Wilksen, Tim and Wohlenberg, Torsten and
                      Wuenschel, Mark and Yakopov, Mikhail and Youngman,
                      Christopher and Yurkov, Mikhail and Zhang, Kai},
      title        = {{T}he {S}tatus of the {SASE}3 {V}ariable {P}olarization
                      {P}roject at the {E}uropean {XFEL}},
      address      = {Geneva, Switzerland},
      publisher    = {JACoW Publishing},
      reportid     = {PUBDB-2022-05080},
      isbn         = {978-3-95450-227-1},
      pages        = {1029-1032},
      year         = {2022},
      note         = {Publikation genehmigt v. Klaus Balewski},
      comment      = {[Ebook] 13th International Particle Accelerator Conference
                      : June 12-17, 2022, Impact Forum, Muangthong Thani, Bangkok,
                      Thailand : conference proceedings / Chanwattana, Thakonwat ,
                      [Geneva] : JACoW Publishing, July 2022,},
      booktitle     = {[Ebook] 13th International Particle
                       Accelerator Conference : June 12-17,
                       2022, Impact Forum, Muangthong Thani,
                       Bangkok, Thailand : conference
                       proceedings / Chanwattana, Thakonwat ,
                       [Geneva] : JACoW Publishing, July
                       2022,},
      abstract     = {The undulator systems at the European XFEL consist of two
                      hard X-ray systems, SASE1 and SASE2, and one soft X-ray
                      system, SASE3. All three systems are equipped with planar
                      undulators using permanent neodymium magnets. These systems
                      allow the generation of linearly polarized radiation in the
                      horizontal plane. In order to generate variable polarization
                      radiation in the soft X-ray range, an afterburner is
                      currently being implemented behind the SASE3 planar
                      undulator system. It consists of four APPLE-X helical
                      undulators. The project, called SASE 3 Variable
                      Polarization, is close to being put into operation. All four
                      helical undulators have been installed in the tunnel during
                      the 2021-2022 winter shutdown. This paper describes the
                      status of the project and the steps toward its
                      commissioning. It also presents lessons learned during the
                      implementation of the project.},
      month         = {Jun},
      date          = {2022-06-12},
      organization  = {13th International Particle
                       Accelerator Conference, Bangkok
                       (Thailand), 12 Jun 2022 - 17 Jun 2022},
      keywords     = {Accelerator Physics (Other) / MC2: Photon Sources and
                      Electron Accelerators (Other)},
      cin          = {MDI / Eur.XFEL / MEA4 / MKK2 / $XFEL_DO_ID_UND$ / MXL /
                      $XFEL_DO_ID_XPD$ / MCS / $XFEL_DO_TS$ / $XFEL_E2_SPF$ / MEA1
                      / MVS / $XFEL_DO_DD_CTRL$ / SAVE2 / MPY},
      cid          = {I:(DE-H253)MDI-20120806 / $I:(DE-H253)Eur_XFEL-20120731$ /
                      I:(DE-H253)MEA4-20210408 / I:(DE-H253)MKK2-20210408 /
                      $I:(DE-H253)XFEL_DO_ID_UND-20210408$ /
                      I:(DE-H253)MXL-20160301 /
                      $I:(DE-H253)XFEL_DO_ID_XPD-20210408$ /
                      I:(DE-H253)MCS-20120806 / $I:(DE-H253)XFEL_DO_TS-20210408$ /
                      $I:(DE-H253)XFEL_E2_SPF-20210408$ / I:(DE-H253)MEA1-20210408
                      / I:(DE-H253)MVS-20120731 /
                      $I:(DE-H253)XFEL_DO_DD_CTRL-20210408$ /
                      I:(DE-H253)SAVE2-20120731 / I:(DE-H253)MPY-20120731},
      pnm          = {621 - Accelerator Research and Development (POF4-621)},
      pid          = {G:(DE-HGF)POF4-621},
      experiment   = {EXP:(DE-H253)XFEL(machine)-20150101},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.18429/JACOW-IPAC2022-TUPOPT014},
      url          = {https://bib-pubdb1.desy.de/record/483009},
}