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- Title
TISSUE-EQUIVALENT TL SHEET DOSIMETRY SYSTEM FOR X- AND GAMMA-RAY DOSE MAPPING.
- Authors
Nariyamal, N.; Konnai, A.; Ohnishi, S.; Odano, N.; Yarnaji, A.; Ozasa, N.; Ishikawa, Y.
- Abstract
To measure dose distribution for X- and gamma rays simply and accurately, a tissue-equivalent thermoluminescent (TL) sheet-type dosemeter and reader system were developed. The TL sheet is composed of LiF:Mg,Cu,P and ETFE polymer, and the thickness is 0.2 mm. For the TL reading, a square heating plate, 20 cm on each side, was developed, and the temperature distribution was measured with an infrared thermal imaging camera. As a result, linearity within 2% and the homogeneity within 3% were confirmed. The TL signal emitted is detected using a CCD camera and displayed as a spatial dose distribution. Irradiation using synchrotron radiation between 10 and 100 keV and 60Co gamma rays showed that the TL sheet dosimetry system was promising for radiation dose mapping for various purposes.
- Subjects
THERMOLUMINESCENCE dosimetry; RADIATION dosimetry; SYNCHROTRON radiation; RADIATION measurements; GAMMA rays; CCD cameras; ELECTROMAGNETIC waves; PARTICLES (Nuclear physics); CHARGE coupled devices
- Publication
Radiation Protection Dosimetry, 2006, Vol 120, Issue 1-4, p136
- ISSN
0144-8420
- Publication type
Article
- DOI
10.1 093/rpd/nci571