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Simultaneous Measurement of Alpha and Beta Particles Using Dual-Type Fiber-Optic Radiation Sensor

Authors
Shin, Sang HunSong, Young BeomLee, BongsooKim, Sin
Issue Date
Dec-2017
Publisher
KOREAN PHYSICAL SOC
Keywords
Dual type; Fiber-optic radiation sensor; Spectroscopy; ZnS(Ag); CaF2(Eu)
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.71, no.12, pp 923 - 927
Pages
5
Journal Title
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
Volume
71
Number
12
Start Page
923
End Page
927
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/3594
DOI
10.3938/jkps.71.923
ISSN
0374-4884
1976-8524
Abstract
In this study, we fabricated a dual-type fiber-optic radiation sensor (DFORS) system using a spectroscopic technique, for simultaneous and separate measurement of alpha and beta particles. The DFORS is composed of a sensing probe, plastic optical fiber (POF), photomultiplier tube (PMT)-amplifier system, and multichannel analyzer (MCA). A dual scintillator consisting of a ZnS(Ag) film and a CaF2(Eu) crystal was used for alpha and beta spectroscopy as a sensing probe. Po-210 and Sr-90 were used as alpha and beta emitters, respectively, and alpha and beta energy spectra were measured using the proposed DFORS system to discriminate species of the radioisotopes emitting alpha or beta particles. From the experimental results, we demonstrated that the small-sized, flexible, and insertable DFORS system could discriminate the alpha and beta events successfully using the spectral information of each radiation sources.
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공과대학 (에너지시스템 공학부)
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