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학술지 Radiation Damage of Multipixel Geiger-mode Avalanche Photodiodes Irradiated with Low energy γ's and Electrons
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저자
권영일, 윤영빈, 하지만, 이준성, 윤용선, 은종원
발행일
201205
출처
한국물리학회, v.60 no.10, pp.1803-1808
ISSN
0374-4884
출판사
한국물리학회
DOI
https://dx.doi.org/10.3938/jkps.60.1803
협약과제
11SC1200, 차세대 광센서를 사용한 의료영상기기용 센서모듈 개발, 윤용선
초록
A few types of multipipixel Geiger-mode avalanche photodiodes (also referred to as silicon photomultipliers SiPMs) are irradiated with 1 to 2.5 MeV 款's and electrons. We characterize radiation damage effects appearing in the reverse bias current, the dark current and count rate, the pixel gain, and the photon detection efficiency of the devices. An interesting observation on the dark current and count rate is made and linked to the specific damage caused by the irradiation. © 2012 The Korean Physical Society.
키워드
Dark count rate, Geiger-mode avalanche photodiodes, Low energy 款-rays and electrons
KSP 제안 키워드
Avalanche photo diode(APD), Dark Current, Dark count rate, Geiger-mode avalanche photodiodes, Low energy, Radiation damage, Reverse bias, Silicon photomultipliers, bias current, photon detection efficiency(PDE)