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@INPROCEEDINGS{Zemella:490790,
      author       = {Zemella, Johann and Vogt, Mathias},
      title        = {{T}he {N}ew {FLASH}1 {U}ndulator {B}eamline for the
                      {FLASH}2020+ {P}roject},
      address      = {[Geneva]},
      publisher    = {JACoW Publishing},
      reportid     = {PUBDB-2022-08020},
      isbn         = {978-3-95450-220-2},
      pages        = {268-271},
      year         = {2023},
      note         = {Literaturangaben;},
      comment      = {[Ebook] FEL2022 : 40th International Free Electron Laser
                      Conference, Trieste, Italy, August 22-26, 2022 : proceedings
                      / Andrian, Ivan , [Geneva] : JACoW Publishing, [2023],},
      booktitle     = {[Ebook] FEL2022 : 40th International
                       Free Electron Laser Conference,
                       Trieste, Italy, August 22-26, 2022 :
                       proceedings / Andrian, Ivan , [Geneva]
                       : JACoW Publishing, [2023],},
      abstract     = {The 2nd stage of the FLASH2020+ project at DESY will be an
                      upgrade of the FLASH1 beamline to enable HGHG and EEHG
                      seeding with two modulator-chicane stages, and a radiator
                      section with 11 Apple-III undulators to enable FEL radiation
                      with controllable polarization. A key feature of FLASH,
                      namely the capability of providing several thousand FEL
                      pulses in the extreme UV and soft X-ray must not be
                      compromised. Downstream of the radiator the beamline houses
                      longitudinal diagnostics, a double bend (quasi-) achromat to
                      separate the electrons from the photons and divert the
                      electron beamline from the photon diagnostics, a
                      post-compressor, a THz-Undulator (requires an electron beam
                      that is compressed more strongly than for seeding), and
                      finally the dumpline, capable of safely aborting up to 100
                      kW electron beam power. This article describes the
                      conceptional and some technical details of the beamline with
                      emphasis on the upstream part (modulators and radiator)
                      designed for seeding.},
      month         = {Aug},
      date          = {2022-08-22},
      organization  = {40th International Free Electron Laser
                       Conference, Trieste (Italy), 22 Aug
                       2022 - 26 Aug 2022},
      keywords     = {Accelerator Physics (Other) / seeded-fel - Seeded FEL
                      (Other)},
      cin          = {MFL},
      cid          = {I:(DE-H253)MFL-20120731},
      pnm          = {621 - Accelerator Research and Development (POF4-621)},
      pid          = {G:(DE-HGF)POF4-621},
      experiment   = {EXP:(DE-H253)FLASH(machine)-20150101 /
                      EXP:(DE-H253)FLASH2020p-20221201},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.18429/JACOW-FEL2022-TUP52},
      url          = {https://bib-pubdb1.desy.de/record/490790},
}