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Type: Journal article
Title: Characterisation of a real-time fibre-coupled beryllium oxide (BeO) luminescence dosimeter in X-ray beams
Author: Santos, A.
Mohammadi, M.
Asp, J.
Monro, T.
Afshar Vahid, S.
Citation: Radiation Measurements, 2013; 53:1-7
Publisher: Pergamon-Elsevier Science Ltd
Issue Date: 2013
ISSN: 1350-4487
Statement of
Alexandre M. Caraça Santos, Mohammad Mohammadi, Johan Asp, Tanya M. Monro, Shahraam Afshar V.
Abstract: For the first time the feasibility of using beryllium oxide (BeO) ceramics as a fibre-coupled radioluminescent dosimeter is investigated. BeO ceramic exhibits both radioluminescence (RL) and optically stimulated luminescence (OSL), and has the potential to be a near tissue equivalent alternative to Al2O3:C. A BeO fibre-coupled radioluminescence dosimeter is demonstrated and characterised for 6 MV X-rays and superficial X-ray energies, 150 kVp and 120 kVp. Based on the results, we demonstrate the capability of the RL BeO FOD for accurate and reproducible dose measurements with a linear dose rate and dose response. It has also been found that the percentage depth dose curves for 6 MV agreed with ion chamber measurements to within 2%, except in the build up region. For the 150 kVp and 120 kVp photon beams, the depth dose measurements agreed with ion chamber measurements to within 2.5% and 4%, respectively.
Keywords: Radioluminescence
Fibre optic dosimetry
Rights: Copyright © 2013 Elsevier Ltd.
DOI: 10.1016/j.radmeas.2013.03.003
Appears in Collections:Aurora harvest
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