Cieślak, M. J., Gamage, K. A.A. and Glover, R. (2016) Coded-aperture imaging systems: Past, present and future development - A review. Radiation Measurements, 92, pp. 59-71. (doi: 10.1016/j.radmeas.2016.08.002)
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Abstract
Scintillator based coded-aperture imaging has proven to be effective when applied for X- and gamma-ray detection. Adaptation of the same method for neutron imaging has resulted in a number of propitious systems, which could be potentially employed for neutron detection in security and nuclear decommissioning applications. Recently developed scintillator based coded-aperture imagers reveal that localisation of neutron sources using this technique may be feasible, since pulse shape discrimination algorithms implemented in the digital domain can reliably separate gamma-rays from fast neutron interactions occurring within an organic scintillator. Moreover, recent advancements in the development of solid organic scintillators make them a viable solution for nuclear decommissioning applications as they present less hazardous characteristics than currently dominating liquid scintillation detectors. In this paper existing applications of coded-apertures for radiation detection are critically reviewed, highlighting potential improvements for coded-aperture based neutron source localisation. Further, the suitability of coded-apertures for neutron imaging in nuclear decommissioning is also assessed using Monte-Carlo modelling.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Gamage, Professor Kelum |
| Authors: | Cieślak, M. J., Gamage, K. A.A., and Glover, R. |
| College/School: | College of Science and Engineering > School of Engineering |
| Journal Name: | Radiation Measurements |
| Publisher: | Elsevier |
| ISSN: | 1350-4487 |
| ISSN (Online): | 1879-0925 |
| Published Online: | 03 August 2016 |
| Copyright Holders: | Copyright © 2016 The Authors |
| First Published: | First published in Radiation Measurements 92:59-71 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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