Thermoluminescent response of CaSO4:Dy+PTFE induced by X-ray beams
2012
Abstract The aim of the present work was to evaluate the feasibility of the utilization of CaSO 4 :Dy pellets for X-ray measurements in a general radiology department. Thermoluminescence (TL) response of CaSO 4 :Dy+PTFE was compared to the TL response of commercial LiF:Mg,Ti (TLD-100) samples. TL pellets were exposed to X-ray beam from X-ray machine CMR for clinical diagnosis purpose. The calibration curve of CaSO 4 :Dy+PTFE was obtained and it showed a linear response as a function of absorbed dose in air at the studied dose interval. Despite this fact, this material can be used for X-ray beams measurements if appropriate calibration procedures are performed.
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