Feasibility of Fibered Monitoring System for Pulsed Dose-Rate Facilities Based on Radioluminescence of SrS:Ce,Sm Phosphor

The possibility to monitor pulsed dose-rate facilities by means of real-time fibered dosimetry is investigated. A system based on the luminescence of the SrS:Ce,Sm is used to monitor pulses from a medical accelerator with four different dose-rates. The RL signal is characterized using a dedicated ac...

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Veröffentlicht in:	IEEE transactions on nuclear science 2008-12, Vol.55 (6), p.3421-3427
Hauptverfasser:	Benoit, David, Vaille, Jean-Roch, Lautissier, JÉrÔme, Matias-Vaille, SÉverine, Isturiz, JosÉ, Garcia, Pierre, BrÎchard, BenoÎt, Dusseau, Laurent
Format:	Artikel
Sprache:	eng
Schlagworte:	Accelerators Biomedical monitoring Biomedical optical imaging Dosimetry Electronics Emission Engineering Sciences Feasibility Luminescence Monitoring Monitors Optical fiber Optical fibers Optical materials optically stimulated luminescence (OSL) Patient monitoring Phosphors Photoluminescence Photons radiation dosimetry radioluminescence (RL) real-time dosimetry stem effect Stimulated emission
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Zusammenfassung:	The possibility to monitor pulsed dose-rate facilities by means of real-time fibered dosimetry is investigated. A system based on the luminescence of the SrS:Ce,Sm is used to monitor pulses from a medical accelerator with four different dose-rates. The RL signal is characterized using a dedicated acquisition system. The RL recorded is linear with dose-rate and dose. The stem effect due to both Čerenkov emission and photoluminescence in the fiber was also investigated with 18 MV photons and 12 MeV electrons.
ISSN:	0018-9499 1558-1578
DOI:	10.1109/TNS.2008.2006487