Feasibility study for the use of Ce3+-doped optical fibres in radiotherapy
Mones, E., Veronese, I., Moretti, F., Fasoli, M., Loi, G., Negri, E., Brambilla, M., Chiodini, N., Brambilla, G. and Vedda, A. (2006) Feasibility study for the use of Ce3+-doped optical fibres in radiotherapy. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 562, (1), 449-455. (doi:10.1016/j.nima.2006.02.003).
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Description/Abstract
A feasibility study for the use of a Ce-doped optical fibre as a radioluminescent dosimeter in radiotherapy was carried out. The prototype showed a satisfactory reproducibility (1.7%) and a good linearity over a clinically relevant dose range (from few cGy to approximately 10 Gy). Moreover, the device enabled a reliable evaluation of the absorbed dose, independently of the dose rate and of the orientation of the incoming radiation. A slight energy dependence of the response was observed when the system was irradiated with electron beams of different energies. The results indicate that the employment of this new system might be very promising both for quality control measurements and "in vivo" dosimetry. Some improvements are nevertheless still required in order to allow a real-time evaluation of the Cherenkov radiation produced by the irradiated portion of the passive optical fibre, which influences some of the dosimetric properties of the system.
| Item Type: | Article |
|---|---|
| ISSNs: | 0168-9002 (print) |
| Related URLs: | |
| Keywords: | radiotherapy dosimetry, optical fibre, radioluminescence |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 46879 |
| Date Deposited: | 23 Jul 2007 |
| Last Modified: | 01 Jun 2011 06:52 |
| Contributors: | Mones, E. (Author) Veronese, I. (Author) Moretti, F. (Author) Fasoli, M. (Author) Loi, G. (Author) Negri, E. (Author) Brambilla, M. (Author) Chiodini, N. (Author) Brambilla, G. (Author) Vedda, A. (Author) |
| Date: | June 2006 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/46879 |
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