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@ARTICLE{Salhi:842525,
author = {Salhi, Zahir and Babcock, Earl and Bingöl, Kendal and
Starostin, Denis and Pistel, Patrick and Lumma, Nils and
Radulescu, Aurel and Ioffe, Alexander},
title = {{A}n ultra-compact in-situ 3 {H}e polarizer for high
{Q}-range {SANS}: on-beam test and future upgrades},
journal = {Journal of physics / Conference Series},
volume = {862},
issn = {1742-6596},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {FZJ-2018-00749},
pages = {012022 -},
year = {2017},
abstract = {We present an ultra-compact 3He polarizer to be used as a
polarization analyzer for separation of incoherent
background for soft matter research. The 3He will be
polarized in-situ within a very compact, 18 cm long,
magnetic cavity that can be placed between the sample and
the detector tank of small-angle scattering diffractometer
KWS2 at MLZ [1]. This allows for the angular coverage of
38°, that corresponds to the maximal momentum transfer
Qmaxλ=0.85 Å−1 for neutrons with wavelength λ=4.5Å.
The Qmax can be extended to 1.28 Å−1 following the recent
upgrade of KWS2 for neutron wavelength λ=3Å. The optical
pumping will be done by the diode laser array bar frequency
narrowed by the ultra-compact volume Bragg grating. The full
system will be readily hand transportable and thus useful as
an instrument add-on.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
JCNS-2 / ZEA-1},
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)ZEA-1-20090406},
pnm = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
Neutron Research (JCNS) (POF3-623) / 6215 - Soft Matter,
Health and Life Sciences (POF3-621) / 6212 - Quantum
Condensed Matter: Magnetism, Superconductivity (POF3-621) /
524 - Controlling Collective States (POF3-524)},
pid = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4 /
G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6212 /
G:(DE-HGF)POF3-524},
experiment = {EXP:(DE-MLZ)KWS1-20140101 / EXP:(DE-MLZ)KWS2-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000417442500022},
doi = {10.1088/1742-6596/862/1/012022},
url = {https://juser.fz-juelich.de/record/842525},
}