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Radiation dose detection using a high-power portable optically stimulated luminescence real-time reading system

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Abstract

Optically stimulated luminescence (OSL) reading systems are becoming smaller and capable of real-time detection. To improve real-time and multipurpose radiation dosimetry readings, we built a real-time continuous-wave (RCW) OSL reading system. This system is both small and lightweight, and it employs powerful laser excitation (478 mW/cm2) at the dosimetry probe location. We investigate the possibility of using the RCW mode to read the radiation luminescence (RL) or OSL by using a single-crystal Al2O3:C dosimeter in a low-dose-rate 137Cs γ field. Our results indicate that the RL/OSL follows a stable and uniform distribution. The minimum detected doses associated with the RL, OSL, and RL + OSL signals are 2.1 × 10−2, 3.17 × 10−1, and 5.7 × 10−2 μGy, respectively. This device provides a framework for the future development of applications for practical radiation dose measurements.

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Acknowledgements

The authors would like to thank the ZheJiang Jia Lai photon technology company for assembling this reading system and providing the picture and reference structure diagram shown in this paper.

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Authors and Affiliations

  1. Institute of Nuclear Physics and Chemistry, Chinese Academy of Engineering Physics, Mianyang, 621900, China

    Yi-Hang Wang, Hua Chen, Fei Chen, Yong-Gang Yuan & Tai-Ping Peng

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  1. Yi-Hang Wang
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  2. Hua Chen
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  3. Fei Chen
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Corresponding author

Correspondence to Tai-Ping Peng.

Additional information

This work was supported by the International Fusion Reactor Experiment Program (No. 2014GB112004).

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Wang, YH., Chen, H., Chen, F. et al. Radiation dose detection using a high-power portable optically stimulated luminescence real-time reading system. NUCL SCI TECH 29, 149 (2018). https://doi.org/10.1007/s41365-018-0484-z

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