Optical readout for imaging neutron scintillation detectors

Donald P. Hutchinson; Roger K. Richards; L. Curt Maxey; Ronald G. Cooper; David Eugene Holcomb

doi:10.1117/12.451682

18 November 2002 Optical readout for imaging neutron scintillation detectors

Donald P. Hutchinson, Roger K. Richards, L. Curt Maxey, Ronald G. Cooper, David Eugene Holcomb

Proceedings Volume 4785, Advances in Neutron Scattering Instrumentation; (2002) https://doi.org/10.1117/12.451682
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

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.

Citation Download Citation

Donald P. Hutchinson, Roger K. Richards, L. Curt Maxey, Ronald G. Cooper, and David Eugene Holcomb "Optical readout for imaging neutron scintillation detectors", Proc. SPIE 4785, Advances in Neutron Scattering Instrumentation, (18 November 2002); https://doi.org/10.1117/12.451682

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