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휴대용 검출기의 방사선 고감도 검출을 위한 SiPM 특성 분석

Other Titles
 Characteristics Analysis of SiPM for Detection of High Sensitivity of Portable Detectors 
Authors
 유선국 
Citation
 Journal of the Korean Society of Radiology (한국방사선학회 논문지), Vol.17(6) : 897-902, 2023-11 
Journal Title
Journal of the Korean Society of Radiology(한국방사선학회 논문지)
ISSN
 1976-0620 
Issue Date
2023-11
Keywords
X-ray 방사선 ; 실리콘 광증배소자 ; 휴대용 X-ray 검출기 ; 방사선 고감도 검출 ; X-ray ; SiPM ; Portable Detector ; High-sensitivity Radiation Detection
Abstract
The purpose of this paper is to analyze the characteristics of Silicon Photomultiplier (SiPM) for the realization of high-sensitivity radiation detection in portable detectors. Portable X-ray detectors offer the advantage of quickly accessing the patient's location and obtaining real-time images, allowing physicians to perform rapid diagnoses. However, this mobility comes with challenges in achieving accurate radiation detection. In existing detectors, SiPM is used for a simple purpose of detecting X-ray triggers. To verify the feasibility of high-sensitivity X-ray detection through SiPM, seven types of SiPM sensors were compared and selected, and their characteristics were analyzed. The SiPM used in the final test demonstrated the ability to distinguish signals at the ultra-low radiation level of 10 nGy, and it was observed that the slope of the signal rise curve varies with the X-ray tube voltage. Utilizing the characteristics of SiPM, which exhibits changes in signal level and duration with X-ray dose, it appears possible to achieve high-sensitivity measurements for X-ray detection.
Files in This Item:
T202400859.pdf Download
DOI
10.7742/jksr.2023.17.6.897
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
Yoo, Sun Kook(유선국) ORCID logo https://orcid.org/0000-0002-6032-4686
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/198072
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