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@ARTICLE{mcKetterick:18351,
      author       = {mcKetterick, T.J. and Boag, S. and Stewart, J.R. and Frost,
                      C.D. and Skoda, M.W.A. and Parnell, S. and Babcock, E.},
      title        = {{O}ptimised adiabatic fast passage spin flipping for
                      (3){H}e neutron spin filters},
      journal      = {Physica / B},
      volume       = {406},
      issn         = {0921-4526},
      address      = {Amsterdam},
      publisher    = {North-Holland Physics Publ.},
      reportid     = {PreJuSER-18351},
      pages        = {2436 - 2438},
      year         = {2011},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We describe here a method of performing adiabatic fast
                      passage (AFP) spin flipping of polarized He-3 used as a
                      neutron spin filter (NSF) to polarize neutron beams. By
                      reversing the spin states of the He-3 nuclei the
                      polarization of a neutron beam can be efficiently reversed
                      allowing for the transmission of a neutron beam polarized in
                      either spin state. Using an amplitude modulated frequency
                      sweep lasting 500 ms we can spin flip a polarized He-3
                      neutron spin filter with only 1.8 x 10(-5) loss in He-3
                      polarization. The small magnetic fields (10-15 G) used to
                      house neutron spin filters mean the He-3 resonant
                      frequencies are low enough to be generated using a computer
                      with a digital 110 card. The versatility of this systems
                      allows AFP to be performed on any beamline or in any
                      laboratory using He-3 neutron spin filters and polarization
                      losses can be minimised by adjusting sweep parameters. (C)
                      2010 Elsevier B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / JCNS-1 / JCNS-2 / PGI-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-2-20110106 /
                      I:(DE-Juel1)PGI-4-20110106},
      pnm          = {Grundlagen für zukünftige Informationstechnologien /
                      Großgeräte für die Forschung mit Photonen, Neutronen und
                      Ionen (PNI)},
      pid          = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK415},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000291889400029},
      doi          = {10.1016/j.physb.2010.11.088},
      url          = {https://juser.fz-juelich.de/record/18351},
}