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Proceedings Paper

Optical readout for imaging neutron scintillation detectors
Author(s): Donald P. Hutchinson; Roger K. Richards; L. Curt Maxey; Ronald G. Cooper; David Eugene Holcomb
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Paper Abstract

The Spallation Neutron Source (SNS) under construction at the Oak Ridge National Laboratory (ORNL) will be the most important new neutron scattering facility in the United States. Neutron scattering instruments for the SNS will require large area detectors with fast response (< 1 microsecond), high efficiency over a wide range of neutron energies (0.1 to 10 eV), and low gamma ray sensitivity. We are currently developing area neutron detectors based on a combination of a 6LiF/ZnS(Ag) scintillator screen coupled to a wavelength-shifting fiber optic readout array. A 25 x 25 cm prototype detector is currently under development. Initial tests at the Intense Pulsed Neutron Source at the Argonne National Laboratory have demonstrated good imaging properties coupled with very low gamma ray sensitivity. The response time of this detector is approximately 1 microsecond. Details of the design and test results of the detector will be presented.

Paper Details

Date Published: 18 November 2002
PDF: 6 pages
Proc. SPIE 4785, Advances in Neutron Scattering Instrumentation, (18 November 2002); doi: 10.1117/12.451682
Show Author Affiliations
Donald P. Hutchinson, Oak Ridge National Lab. (United States)
Roger K. Richards, Oak Ridge National Lab. (United States)
L. Curt Maxey, Oak Ridge National Lab. (United States)
Ronald G. Cooper, Oak Ridge National Lab. (United States)
David Eugene Holcomb, Oak Ridge National Lab. (United States)

Published in SPIE Proceedings Vol. 4785:
Advances in Neutron Scattering Instrumentation
Ian S. Anderson; Bruno Guérard, Editor(s)

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