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핵의학 적용을 위한 광섬유 기반의 알파/베타 검출기의 제작 및 특성분석
Fabrication and Characterization of a Fiber-Optic Alpha/Beta Detector for Nuclear Medicine Application
- 홍승한;
- 유욱재;
- 신상훈;
- 서정기;
- 한기택;
- ... 조승현;
- 외 2명
초록
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.
키워드
Alpha/beta spectroscopy; Optical fiber; ZnS(Ag) film; CaF2(Eu) crystal; Nuclear medicine
- 제목
- 핵의학 적용을 위한 광섬유 기반의 알파/베타 검출기의 제작 및 특성분석
- 제목 (타언어)
- Fabrication and Characterization of a Fiber-Optic Alpha/Beta Detector for Nuclear Medicine Application
- 저자
- 홍승한; 유욱재; 신상훈; 서정기; 한기택; 전다영; 조승현; 이봉수
- 발행일
- 2012-09
- 저널명
- 센서학회지
- 권
- 21
- 호
- 5
- 페이지
- 367 ~ 373