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@INPROCEEDINGS{Voigt:827371,
      author       = {Voigt, Jörg and Violini, Nicolo and Schweika, Werner},
      title        = {{C}ompact chopper spectrometers for pulsed sources},
      journal      = {Journal of physics / Conference Series},
      volume       = {746},
      issn         = {1742-6588},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2017-01507},
      series       = {Journal of physics / Conference Series},
      pages        = {012018},
      year         = {2016},
      abstract     = {We report on the opportunities for direct geometry chopper
                      spectrometers (DGCS) by polychromatic illumination of the
                      sample. At pulsed sources the use of multiple initial
                      neutron energies appears naturally, if the repetition rate
                      of chopper in front of the sample is larger than the
                      repetition rate of the source. As a consequence, a large
                      part of the spectrum is measured redundantly with variable
                      energy and momentum transfer resolution. This can be used to
                      optimize a chopper instrument for deep inelastic scattering,
                      relaxing the requirements on the pulse length, by which the
                      sample is illuminated, and on the secondary flight path,
                      while the width of the spectral distribution must be
                      narrowed down. This can open the path to new types of
                      compact direct geometry chopper spectrometers, which need
                      comparably small areas of detector coverage and allow very
                      high repetition rates to provide a high intensity even if
                      sample size and divergence distributions are limited.},
      month         = {Aug},
      date          = {2015-08-30},
      organization  = {VI European Conference on Neutron
                       Scattering, Zaragossa (Spain), 30 Aug
                       2015 - 4 Sep 2015},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / JCNS-2 / PGI-4 / JARA-FIT /
                      Neutronenstreuung ; JCNS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-144 /
                      G:(DE-HGF)POF3-524 / G:(DE-HGF)POF3-6212 /
                      G:(DE-HGF)POF3-6213},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      UT           = {WOS:000409470900018},
      doi          = {10.1088/1742-6596/746/1/012018},
      url          = {https://juser.fz-juelich.de/record/827371},
}