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핵의학 적용을 위한 광섬유 기반의 알파/베타 검출기의 제작 및 특성분석Fabrication and Characterization of a Fiber-Optic Alpha/Beta Detector for Nuclear Medicine Application
- Other Titles
- Fabrication and Characterization of a Fiber-Optic Alpha/Beta Detector for Nuclear Medicine Application
- Issue Date
- Sep-2012
- Publisher
- 한국센서학회
- Keywords
- Alpha/beta spectroscopy; Optical fiber; ZnS(Ag) film; CaF2(Eu) crystal; Nuclear medicine
- Citation
- 센서학회지, v.21, no.5, pp.367 - 373
- Journal Title
- 센서학회지
- Volume
- 21
- Number
- 5
- Start Page
- 367
- End Page
- 373
- ISSN
- 1225-5475
- 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 CaF2(Eu) crystal for alpha and beta spectroscopy. In this study, 210Po and 90Sr 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.
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Related Researcher
- Cho, Seung hyun
- College of Engineering (Department of Materials Science and Engineering)