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@ARTICLE{Holderer:61163,
author = {Holderer, O. and Monkenbusch, M and Borchert, G. and
Breunig, C. and Zeitelhack, K.},
title = {{L}ayout and performance of the polarizing guide system for
the {J}-{NSE} spectrometer at the {FRM} {II}},
journal = {Nuclear instruments $\&$ methods in physics research / A},
volume = {586},
issn = {0168-9002},
address = {Amsterdam},
publisher = {North-Holland Publ. Co.},
reportid = {PreJuSER-61163},
pages = {90 - 94},
year = {2008},
note = {Record converted from VDB: 12.11.2012},
abstract = {The neutron spin-echo instrument, J-NSE, that has been
moved from the ELLA guide hall at the FRJ-2 in Julich to the
guide hall of the new FRM II reactor, needs an intense beam
of polarized neutrons. Polarization of the short wavelengths
is achieved in a bent section of about 8 m and radius 160 m,
with a m = 3 FeSi multilayer coating. Due to the total
reflection of Fesi, longer wavelengths (lambda similar or
equal to 10-20 (A) over circle) pass unpolarized and need an
additional short polarizer at the entrance of the
instrument. After the bent section within a 10 m straight
guide section a turn of vertical polarization to
longitudinal guide field is performed and a selector is
inserted. Then about 10m of tapered Ni-58 covered guide
follows, which end with a cross-section of 60 x 60 mm(2). We
present the design criteria and first measurements on the
performance of this guide concept. (c) 2007 Elsevier B.V.
All rights reserved.},
keywords = {J (WoSType)},
cin = {IFF-5 / IFF-4 / Jülich Centre for Neutron Science JCNS
(JCNS) ; JCNS},
ddc = {530},
cid = {I:(DE-Juel1)VDB785 / I:(DE-Juel1)VDB784 /
I:(DE-Juel1)JCNS-20121112},
pnm = {Kondensierte Materie / Großgeräte für die Forschung mit
Photonen, Neutronen und Ionen (PNI)},
pid = {G:(DE-Juel1)FUEK414 / G:(DE-Juel1)FUEK415},
experiment = {EXP:(DE-MLZ)J-NSE-20140101 / EXP:(DE-MLZ)NO-20140101},
shelfmark = {Instruments $\&$ Instrumentation / Nuclear Science $\&$
Technology / Physics, Particles $\&$ Fields / Spectroscopy},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000253845300020},
doi = {10.1016/j.nima.2007.11.038},
url = {https://juser.fz-juelich.de/record/61163},
}