Setup for polarized neutron imaging using in situ 3He cells at the Oak Ridge National Laboratory High Flux Isotope Reactor CG-1D beamline

I. Dhiman; Ralf Ziesche; Tianhao Wang; Hassina Bilheux; Lou Santodonato; X. Tong; C. Y. Jiang; Ingo Manke; Wolfgang Treimer; Tapan Chatterji; Nikolay Kardjilov

doi:10.1063/1.5001525

Setup for polarized neutron imaging using in situ ³He cells at the Oak Ridge National Laboratory High Flux Isotope Reactor CG-1D beamline

I. Dhiman, Ralf Ziesche, Tianhao Wang, Hassina Bilheux, Lou Santodonato, X. Tong, C. Y. Jiang, Ingo Manke, Wolfgang Treimer, Tapan Chatterji, Nikolay Kardjilov

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11 Scopus citations

Abstract

In the present study, we report a new setup for polarized neutron imaging at the ORNL High Flux Isotope Reactor CG-1D beamline using an in situ ³He polarizer and analyzer. This development is very important for extending the capabilities of the imaging instrument at ORNL providing a polarized beam with a large field-of-view, which can be further used in combination with optical devices like Wolter optics, focusing guides, or other lenses for the development of microscope arrangement. Such a setup can be of advantage for the existing and future imaging beamlines at the pulsed neutron sources. The first proof-of-concept experiment is performed to study the ferromagnetic phase transition in the Fe₃Pt sample. We also demonstrate that the polychromatic neutron beam in combination with in situ ³He cells can be used as the initial step for the rapid measurement and qualitative analysis of radiographs.

Original language	English
Article number	095103
Journal	Review of Scientific Instruments
Volume	88
Issue number	9
DOIs	https://doi.org/10.1063/1.5001525
State	Published - Sep 1 2017

Funding

This research used resources at the High Flux Isotope Reactor, a DOE Office of Science User Facility operated by the Oak Ridge National Laboratory. This material is based on work supported by the Office of Basic Energy Sciences, U.S. Department of Energy. The team would like to thank the sample environment team for their help with the refrigerator.

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10.1063/1.5001525

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Dhiman, I., Ziesche, R., Wang, T., Bilheux, H., Santodonato, L., Tong, X., Jiang, C. Y., Manke, I., Treimer, W., Chatterji, T., & Kardjilov, N. (2017). Setup for polarized neutron imaging using in situ ³He cells at the Oak Ridge National Laboratory High Flux Isotope Reactor CG-1D beamline. Review of Scientific Instruments, 88(9), Article 095103. https://doi.org/10.1063/1.5001525

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abstract = "In the present study, we report a new setup for polarized neutron imaging at the ORNL High Flux Isotope Reactor CG-1D beamline using an in situ 3He polarizer and analyzer. This development is very important for extending the capabilities of the imaging instrument at ORNL providing a polarized beam with a large field-of-view, which can be further used in combination with optical devices like Wolter optics, focusing guides, or other lenses for the development of microscope arrangement. Such a setup can be of advantage for the existing and future imaging beamlines at the pulsed neutron sources. The first proof-of-concept experiment is performed to study the ferromagnetic phase transition in the Fe3Pt sample. We also demonstrate that the polychromatic neutron beam in combination with in situ 3He cells can be used as the initial step for the rapid measurement and qualitative analysis of radiographs.",

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AU - Dhiman, I.

AU - Ziesche, Ralf

AU - Wang, Tianhao

AU - Bilheux, Hassina

AU - Santodonato, Lou

AU - Tong, X.

AU - Jiang, C. Y.

AU - Manke, Ingo

AU - Treimer, Wolfgang

AU - Chatterji, Tapan

AU - Kardjilov, Nikolay

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AB - In the present study, we report a new setup for polarized neutron imaging at the ORNL High Flux Isotope Reactor CG-1D beamline using an in situ 3He polarizer and analyzer. This development is very important for extending the capabilities of the imaging instrument at ORNL providing a polarized beam with a large field-of-view, which can be further used in combination with optical devices like Wolter optics, focusing guides, or other lenses for the development of microscope arrangement. Such a setup can be of advantage for the existing and future imaging beamlines at the pulsed neutron sources. The first proof-of-concept experiment is performed to study the ferromagnetic phase transition in the Fe3Pt sample. We also demonstrate that the polychromatic neutron beam in combination with in situ 3He cells can be used as the initial step for the rapid measurement and qualitative analysis of radiographs.

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Setup for polarized neutron imaging using in situ ³He cells at the Oak Ridge National Laboratory High Flux Isotope Reactor CG-1D beamline

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