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@ARTICLE{Lyngh:1006447,
      author       = {Lyngh, D. and de la Cour, N. and Åström, L. and Koning,
                      J. and Jönsson, B. and Ghatnekar Nilsson, S. and Hall, C.
                      and Beßler, Y. and Heldmann, P. and Lozza, C. and
                      Schweiger, H.},
      title        = {{E}ngineering and prototyping of {ESS} neutron beam
                      extraction system},
      journal      = {Journal of neutron research},
      volume       = {22},
      number       = {2-3},
      issn         = {1023-8166},
      address      = {Amsterdam},
      publisher    = {IOS Press},
      reportid     = {FZJ-2023-01681},
      pages        = {109 - 118},
      year         = {2020},
      abstract     = {In the development of the European Spallation Source, the
                      engineering phase of the Neutron Beam Extraction System is
                      approaching its end. Currently, prototyping is ongoing to
                      verify and increase the understanding of the manufacturing
                      limitations in relation to the engineering aspects and beam
                      extraction requirements from the instruments. After that the
                      manufacturing of the suite of 16 neutron beam port inserts
                      (NBPI) and light shutter systems (LSS) are phased into final
                      detail design and manufacturing. The NBPIs have been
                      developed as a close collaboration between ESS’
                      instruments design coordinators and intricately integrate a
                      set of copper optics within a controlled atmosphere within
                      the target monolith pressure vessel. The NBPIs therefore
                      includes not only a processed atmosphere but also enables
                      fine alignment of the optics assemblies within it, but also
                      includes a system for inserting it into a very precisely
                      aligned and measured position. Outside the NBPIs, along the
                      neutron beam paths, sits the Neutron Beam Windows and
                      sequentially, the LSS which incorporates an optical bridge
                      beam guide before the beam enters the bunker area and the
                      individual instrument beam transports. ESS have chosen the
                      concept of LSS, which generates demanding requirements for
                      alignment of moving shutter parts. These system parts are
                      placed in the bunker area and bunker basement, areas that
                      are partly accessible during maintenance periods.},
      cin          = {ZEA-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ZEA-1-20090406},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-6G4},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000581130300004},
      doi          = {10.3233/JNR-200155},
      url          = {https://juser.fz-juelich.de/record/1006447},
}