Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Fabrication and Characterization of a Fiber-Optic Alpha/Beta Detector for Nuclear Medicine Application

핵의학 적용을 위한 광섬유 기반의 알파/베타 검출기의 제작 및 특성분석

  • Hong, Seung-Han (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Yoo, Wook-Jae (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Shin, Sang-Hun (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Seo, Jeong-Ki (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Han, Ki-Tek (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Jeon, Da-Yeong (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Cho, Seung-Hyun (Department of Organic Materials & Fiber Engineering, College of Engineering, Soongsil University) ;
  • Lee, Bong-Soo (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University)
  • 홍승한 (건국대학교 의료생명대학 의학공학부, 의공학실용기술연구소) ;
  • 유욱재 (건국대학교 의료생명대학 의학공학부, 의공학실용기술연구소) ;
  • 신상훈 (건국대학교 의료생명대학 의학공학부, 의공학실용기술연구소) ;
  • 서정기 (건국대학교 의료생명대학 의학공학부, 의공학실용기술연구소) ;
  • 한기택 (건국대학교 의료생명대학 의학공학부, 의공학실용기술연구소) ;
  • 전다영 (건국대학교 의료생명대학 의학공학부, 의공학실용기술연구소) ;
  • 조승현 (숭실대학교 공과대학 유기신소재.파이버공학과) ;
  • 이봉수 (건국대학교 의료생명대학 의학공학부, 의공학실용기술연구소)
  • Received : 2012.07.23
  • Accepted : 2012.09.12
  • Published : 2012.09.30
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Abstract

We fabricated a fiber-optic alpha/beta detector, which is composed of a sensing probe, a plastic optical fiber, a photomultiplier tube, and a multichannel analyzer, to obtain the energy spectra of radioactive isotopes. As inorganic scintillators of a sensing probe, a ZnS(Ag) film was coupled with a $CaF_2$(Eu) crystal for alpha and beta spectroscopy. In this study, $^{210}Po$ and $^{90}Sr$ were used as alpha and beta sources, respectively, and we measured the radiation energy spectra using a fiber-optic alpha/beta detector to identify alpha and beta emitting radionuclides for nuclear medicine application. Also, the variations of energy spectrum were obtained according to the length of plastic optical fiber.

Keywords

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