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가정용 식품 방사능 모니터링 센서 개발 및 유용성 평가
박혜민 ( Hye Min Park ),김정호 ( Jeong Ho Kim ),이운장 ( Un Jang Lee ),김도형 ( Do Hyung Kim ),민수정 ( Su Jeong Min ),주관식 ( Koan Sik Joo ) 한국센서학회 2017 센서학회지 Vol.26 No.6
In this study, a foods radioactivity monitoring sensor was developed as a part of basic research for household radioactivity monitoring, and its performance was evaluated using a calibration source. The prototype of the sensor was based on a CsI:Tl scintillator using a crystal light guide and Si photomultiplier. The light guide was introduced to improve gamma-ray detection efficiency. For quantitative evaluation, tests were conducted using <sup>134</sup>Cs liquid source. In the performance evaluation, It was confirmed that analysis of <sup>134</sup>Cs: 100 Bq/ L(kg) was possible. Thus, result of this study is expected to contribute to research in the development of the household foods radioactivity monitoring system.