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Proceedings Paper

Characterisation of radioluminesence based optical fibre dosimeter in radiotherapy beam applications
Author(s): P. Woulfe; S. O'Keeffe; D. McCarthy; M. Grattan; A. Hounsell; J. Cronin; E. Lewis
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Paper Abstract

A PMMA (polymethyl methacrylate) based plastic optical fibre is coated with radiation sensitive inorganic scintillators that fluoresce when exposed to ionising radiation. The emitted signal penetrates the fibre and propagates along the fibre where it is remotely monitored using a fluorescence spectrometer. The dosimeter is characterised for a range of parameters associated with radiotherapy treatment plans, including field size and dose rate. The results demonstrate good repeatability, with a maximum percentage error of 0.59% and the response is independent of dose rate.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915799 (2 June 2014); doi: 10.1117/12.2059389
Show Author Affiliations
P. Woulfe, Galway Clinic (Ireland)
Univ. of Limerick (Ireland)
S. O'Keeffe, Univ. of Limerick (Ireland)
D. McCarthy, Univ. of Limerick (Ireland)
M. Grattan, Belfast City Hospital (United Kingdom)
A. Hounsell, Belfast City Hospital (United Kingdom)
J. Cronin, Galway Clinic (Ireland)
E. Lewis, Univ. of Limerick (Ireland)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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