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Review of doped silica glass optical fibre: Their TL properties and potential applications in radiation therapy dosimetry

Bradley, David, Hugtenburg, RP, Nisbet, Andrew, Abdul Rahman, AT, Issa, F, Mohd Noor, N and Alalawi, A (2012) Review of doped silica glass optical fibre: Their TL properties and potential applications in radiation therapy dosimetry Applied Radiation and Isotopes, 71 (SUPPL.). pp. 2-11.

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Abstract

Review is made of dosimetric studies of Ge-doped SiO telecommunication fibre as a 1-D thermoluminescence (TL) system for therapeutic applications. To-date, the response of these fibres has been investigated for UV sources, superficial X-ray beam therapy facilities, a synchrotron microbeam facility, electron linear accelerators, protons, neutrons and alpha particles, covering the energy range from a few eV to several MeV. Dosimetric characteristics include, reproducibility, fading, dose response, reciprocity between TL yield and dose-rate and energy dependence. The fibres produce a flat response to fixed photon and electron doses to within better than 3% of the mean TL distribution. Irradiated Ge-doped SiO optical fibres show limited signal fading, with an average loss of TL signal of ~0.4% per day. In terms of dose response, Ge-doped SiO optical fibres have been shown to provide linearity to x and electron doses, from a fraction of 1Gy up to 2kGy. The dosimeters have also been used in measuring photoelectron generation from iodinated contrast media; TL yields being some 60% greater in the presence of iodine than in its absence. The review is accompanied by previously unpublished data. © 2012 Elsevier Ltd.

Item Type: Article
Authors :
NameEmailORCID
Bradley, DavidD.A.Bradley@surrey.ac.ukUNSPECIFIED
Hugtenburg, RPUNSPECIFIEDUNSPECIFIED
Nisbet, AndrewA.Nisbet@surrey.ac.ukUNSPECIFIED
Abdul Rahman, ATUNSPECIFIEDUNSPECIFIED
Issa, FUNSPECIFIEDUNSPECIFIED
Mohd Noor, NUNSPECIFIEDUNSPECIFIED
Alalawi, AUNSPECIFIEDUNSPECIFIED
Date : 17 February 2012
Identification Number : 10.1016/j.apradiso.2012.02.001
Copyright Disclaimer : © 2012. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Depositing User : Symplectic Elements
Date Deposited : 08 Aug 2017 17:04
Last Modified : 08 Aug 2017 17:04
URI: http://epubs.surrey.ac.uk/id/eprint/760994

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