TYPE TESTING OF LiF:Mg,Cu,P (TLD-100H) WHOLE-BODY DOSEMETERS FOR THE ASSESSMENT OF Hp(10) AND Hp(0.07).
J S Pereira1,2, M F Pereira1,2, S Rangel1
1Universidade de Lisboa (UL), Instituto Superior Técnico (IST), Laboratório de Proteção e Segurança Radiológica (LPSR), Estrada Nacional 10 (ao km 139,7), Bobadela LRS, Portugal.
Radiation Protection Dosimetry
|November 30, 2018
Summary
This study tested LiF:Mg,Cu,P (TLD-100H) whole-body personal dosemeters. The dosemeters demonstrated good reproducibility and linearity for radiation monitoring, with low detection limits.
Area of Science:
- Medical Physics
- Radiation Dosimetry
- Solid State Physics
Background:
- Personal dosemeters are crucial for monitoring radiation exposure in occupational settings.
- Thermoluminescence dosimetry (TLD) using LiF:Mg,Cu,P materials offers a sensitive method for radiation detection.
Purpose of the Study:
- To present initial type testing results for LiF:Mg,Cu,P (TLD-100H) whole-body personal dosemeters.
- To evaluate key performance characteristics including reproducibility, linearity, and detection limits.
Main Methods:
- Type testing of TLD-100H dosemeters was conducted.
- Assessments included reproducibility, linearity of response, residual signal analysis, and energy/angular dependence.
- Performance was evaluated across various dose values and radiation qualities.
Main Results:
- The TLD-100H dosemeters exhibited good reproducibility across different dose levels.
- A linear response was observed for doses ranging from 0.1 to 300 mSv.
- Detection limits were found to be below 50 μSv.
- The system demonstrated favorable energy and angular response characteristics.
Conclusions:
- LiF:Mg,Cu,P (TLD-100H) whole-body personal dosemeters show promising performance for radiation monitoring.
- The dosemeters meet essential criteria for reliable personal dosimetry applications.
- Further validation may be warranted for specific operational environments.
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