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Characterization of RPL and TL dosimetry systems and comparison in medical dosimetry applications

Knežević, Željka; Beck, Natko; Milković, Đurđica; Miljanić, Saveta; Ranogajec-Komor, Maria (2011) Characterization of RPL and TL dosimetry systems and comparison in medical dosimetry applications. Radiation Measurements, 46 (12). pp. 1582-1585. ISSN 1350-4487

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Radiophotoluminescence (RPL) dosimetry systems are under permanent development. The following dosimetric characteristics of the GD-352M RPL glass dosimeter with FGD-1000 reader (Dose Ace system) developed for medical applications were investigated: uniformity/batch homogeneity, reproducibility, linearity, detection threshold, energy dependence in air and on phantom. Some characteristics were compared to two kinds of LiF ; Cu, Mg, P TLDs: GR-200A (China) and TLD-100H (Harshaw). The characteristics investigated fulfill the requirements of the IEC 62387-1:2007 Standard for personal and environmental dosimetry (IEC, 2007). These dosimetry systems were applied in paediatric chest X-ray diagnostics on 60 patients. The dosimetry results with both dosimetry systems showed a good correlation of dose measured on the back of the patient with the body mass index (BMI) on examination by two technicians (average dose 0.12-0.19 mSv). Higher doses (0.33-0.39 mSv) were found on the patients examined by the third technician. Measurements on further 40 patients following additional consulting and education of the technicians showed dose reduction (0.13-0.18 mSv for all 3 technicians).

Item Type: Article
Uncontrolled Keywords: RPL; glass dosimeters; LiF:Mg, Cu, P; energy dependence; IEC standards; medical dosimetry; paediatric chest X-ray diagnostics
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Radiation Science
Divisions: Division of Materials Chemistry
Project titleProject leaderProject codeProject type
Fizičko-kemijski učinci ionizirajućih zračenja u materijalima[120481] Branka Mihaljević098-0982904-2954MZOS
Depositing User: Željka Knežević Medija
Date Deposited: 07 May 2015 13:18
DOI: 10.1016/j.radmeas.2011.05.042

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