지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.12
- 수록면
- 601 - 605 (5page)
- DOI
- 10.4283/JMAG.2020.25.4.601
이용수
초록· 키워드
오류제보하기
Photon-counting detectors (PCDs) are replacing energy integrating detectors in electromagnetic wave transmission imaging to achieve high performance. The purpose of this study was to develop an indirect PCD system for transmission imaging. The detector module is a combination of scintillator and SiPM, the SiPM is insensitive to magnetic field and operating at low voltage. A 2D array of a GAGG coupled with SiPM, positioning logic circuit, and preamplifier were enclosed in housing that sealed from light. A channel reduction circuit was used to identify the channel from the positioning logic circuit, and then output an analog pulse signal corresponding to the valid channel. The pulse signal measurements were performed using a oscilloscope. The profile analysis of the flood map confirmed that each point was distinct in both the center and peripheral regions. Additionally, the letters engraved on the phantom in the images were confirmed. Therefore, the indirect PCD system has potential for transmission imaging. Our future work will design an indirect PCD for low-energy photon detection and multi-energy imaging.
목차
1. Introduction
2. Materials and Methods
3. Results and Dicussion
4. Conclusions
References
참고문헌 (10)
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