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@ARTICLE{Manoshin:201089,
      author       = {Manoshin, S. and Rubtsov, A. and Bodnarchuk, V. and
                      Mattauch, S. and Ioffe, A.},
      title        = {{E}xtension of the {VITESS} polarized neutron suite towards
                      the use of imported magnetic field distributions},
      journal      = {Journal of physics / Conference Series},
      volume       = {528},
      issn         = {1742-6596},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2015-03399},
      pages        = {012033},
      year         = {2014},
      abstract     = {Latest developments of the polarized neutron suite in the
                      VITESS simulation package allowed for simulations of
                      time-dependent spin handling devices (e.g. radio-frequency
                      (RF) flippers, adiabatic gradient RF-flippers) and the
                      instrumentation built upon them (NRSE, SESANS, MIEZE, etc.).
                      However, till now the magnetic field distribution in such
                      devices have been considered as "ideal" (sinusoidal,
                      triangular or rectangular), when the main practical interest
                      is in the use of arbitrary magnetic field distributions
                      (either obtained by the field mapping or by FEM
                      calculations) that may significantly influence the
                      performance of real polarized neutron instruments and is the
                      key issue in the practical use of the simulation packages.
                      Here we describe modified VITESS modules opening the
                      possibility to load the magnetic field 3-dimensional space
                      map from an external source (file). Such a map can be either
                      obtained by direct measurements or calculated by dedicated
                      FEM programs (such as ANSYS, MagNet, Maxwell or similar).
                      The successful use of these new modules is demonstrated by a
                      very good agreement of neutron polarimetric experiments with
                      performance of the spin turner with rotating magnetic field
                      and an adiabatic gradient RF-flipper simulated by VITESS
                      using calculated 3-dimensional field maps (using MagNet) and
                      magnetic field mapping, respectively.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
                      JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {54G - JCNS (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-54G24},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000340245000033},
      doi          = {10.1088/1742-6596/528/1/012033},
      url          = {https://juser.fz-juelich.de/record/201089},
}