SEOP program for neutron spin filters at the Jülich Centre for Neutron Science

The Jülich Centre for Neutron Science is developing spin-exchange optical pumping systems capable of polarizing the 3He gas for use as neutron spin filters with developments focused on individually optimized solutions for each application. When possible steady polarization achieved with in-situ opti...

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Bibliographic Details
Published in:Journal of physics. Conference series 2011-01, Vol.294 (1), p.12005-8
Main Authors: Babcock, E, Ioffe, A
Format: Article
Language:English
Subjects:
Analyzers
Angle of reflection
Design engineering
Neutron scattering
Neutrons
Optical pumping
Physics
Polarization
Polarizers
Reflectometry
Service stations
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Summary:The Jülich Centre for Neutron Science is developing spin-exchange optical pumping systems capable of polarizing the 3He gas for use as neutron spin filters with developments focused on individually optimized solutions for each application. When possible steady polarization achieved with in-situ optical pumping will provide high time averaged neutron performance and time-stability, however some applications are foreseen to use a "local filling station" approach. In-situ polarizers are being developed for polarization analysis on reflectometry and small angle neutron scattering instruments. This overview of the current status of our SEOP program describes the motivation of in-situ polarization, the design and first results from the polarizer for analysis on reflectometry, and discusses the designs for a SANS analyzer and plans for wide angle analysis.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/294/1/012005