Testing of a scintillator and fibre optic based radiation sensor

Jackson, Sarah and Monk, Stephen and Lennox, Katherine (2013) Testing of a scintillator and fibre optic based radiation sensor. Radiation Measurements, 59. pp. 50-58. ISSN 1350-4487

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Abstract

We describe here the optimisation of the RadLine™; a small, novel, remotely operated radiation detector intended for use with doses of between 0.125 and 10 mSvhr-1 in air. Tested in a beta and gamma narrow radiation field of 2.4GBq, from a Caesium-137 (662KeV) source, the RadLine™ consists of an inorganic scintillating crystal coupled to a fibre optic cable which transports produced photons to a CCD camera at the other end. Described here is the process of characterising the instrument, as well as an analysis of the signal to noise ratio both in practice and theoretically. Our results establish that the inherent noise of the CCD can be partially eliminated using a flat fielding technique. As well as demonstrating how the RadLine™ can be utilised underwater due to its partial electrical inactiveness, it was also possible to consider how the RadLine might perform in aquatic environments and ultimately in the First Generation Magnox Storage Ponds (FGMSP).

Item Type: Journal Article
Journal or Publication Title: Radiation Measurements
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3108
Subjects:
Departments: Faculty of Science and Technology > Engineering
ID Code: 60757
Deposited By: ep_importer_pure
Deposited On: 17 Dec 2012 09:31
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 08:15
URI: https://eprints.lancs.ac.uk/id/eprint/60757

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