Thermoluminescent response of CaSO4:Dy+PTFE induced by X-ray beams

L. Hernández, T. Rivera, Y. Jimenez, R. Alvarez, J. Zeferino, A. Vázquez, J. Azorín

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Abstract

The aim of the present work was to evaluate the feasibility of the utilization of CaSO4:Dy pellets for X-ray measurements in a general radiology department. Thermoluminescence (TL) response of CaSO4: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 CaSO4: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.

Original languageEnglish
Pages (from-to)1307-1309
Number of pages3
JournalApplied Radiation and Isotopes
Volume70
Issue number7
DOIs
StatePublished - Jul 2012
Externally publishedYes

Keywords

  • CaSO:Dy
  • Radiation dosimetry
  • Thermoluminescence
  • X-ray

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