센서학회지 (Journal of Sensor Science and Technology)

  • 제25권5호
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  • Pages.333-336
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  • 2016
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  • 1225-5475(pISSN)
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  • 2093-7563(eISSN)
한국센서학회 (The Korean Sensors Society)
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수중 내 베타선 모니터링 센서 개발을 위한 기초연구

Feasibility Study on Development of an Underwater Beta-ray Monitoring Sensor

  • 투고 : 2016.08.16
  • 심사 : 2016.09.27
  • 발행 : 2016.09.30
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초록

In this study, a beta monitoring sensor was developed as a part of basic research for quantitative beta monitoring underwater, and its performance was evaluated using a calibration source. A beta detection sensor was manufactured by using SiPM(silicon photomultiplier) and $CaF_2$:Eu, YAG:Ce, YAP:Ce scintillator. A large-area light guide was introduced to improve beta-ray detection efficiency. As calibration sources, the Beta source $^{90}Sr$, which is the main fission product of a nuclear accident, and the gamma source $^{137}Cs$ are used. In the performance evaluation, it is confirmed that scintillator $CaF_2:Eu$ gives the highest beta-ray detection response. Compared to gamma ray, beta-ray detection responsivity and detection efficiency are verified. Therefore, this study is expected to contribute to basic research in the development of an underwater beta-ray monitoring system.

키워드

참고문헌

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피인용 문헌

  1. Development and Comparison of Fiber-Optic Beta Radiation Sensors with Different Diameters of Their Sensing Probes vol.2017, 2017, https://doi.org/10.1155/2017/1452765