Prog Med Phys.
2013 Sep;24(3):140-144. 10.14316/pmp.2013.24.3.140.
Reference Dosimetry and Calibration of Glass Dosimeters for Cs-137 Gamma-rays
- Affiliations
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- 1Research Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Korea. physics7@empal.com
- 2Department of Materials Physics, Dong-A University, Busan, Korea.
- KMID: 1910577
- DOI: http://doi.org/10.14316/pmp.2013.24.3.140
Abstract
- In this research, the glass dosimeter was calibrated to measure the standard absorbed dose of the Cs-137 irradiator and absorbed dose in a biological sample. Absorbed dose in water for Cs-137 gamma ray was determined by the IAEA TRS-277 protocol. The PTW-TM30013 ion chamber and the PTW-TM41023 water phantom were utilized for measuring absorbed dose and the value was compared with the reading from DoseAce GD-302M glass dosimeter from Asahi Techno Glass Corporation for its calibration. The uncertainty of measurement (1sigma) of the calibrated glass dosimeter was 2.7% and this result would be applied to improve the accuracy in measurement of absorbed dose in a biological sample.
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