提高切伦科夫辐射窗光电倍增管的时间分辨率

IF 1.3 4区工程技术 Q3 INSTRUMENTS & INSTRUMENTATION

Journal of Instrumentation Pub Date : 2023-12-01 DOI:10.1088/1748-0221/18/12/C12020

Lishuang Ma, LingYue Chen, Guorui Huang, Jun Hu, Xiaorou Han, Z. Hua, Xian-chao Huang, Muchun Jin, Xiaoshan Jiang, Zhen Jin, Shulin Liu, Weiyan Pan, Sen Qian, L. Ren, S. Si, Jiannin Sun, Long Wei, Qi Wu, Tianyi Wang, Xingchao Wang, Yifang Wang, Yingjie Wang, Z. Wang, Ning Wang, Kai Wu, Xiong Yan, Jingbo Ye, Haoda Zhang, Zhiming Zhang

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引用次数: 0

摘要

飞行时间正电子发射断层扫描（TOF-PET）时间分辨率的提高有赖于闪烁材料和光电探测器的发展。随着切伦科夫 TOF-PET 的引入，对光电探测器的内在时间性能提出了更高的要求。我们的团队提出了一种直接使用切伦科夫辐射器作为光窗的切伦科夫辐射器窗口光电倍增管（CRW-FPMT），它消除了闪烁器和光电探测器之间的边界，从而实现了快速时间分辨率。本文主要讨论了影响其时间分辨率的因素，并对其进行了优化，以实现 27.2 ps 的单光子时间分辨率。

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The time resolution improvement of Cherenkov-Radiator-Window Photomultiplier tube

The improvement of time resolution in time-of-flight positron emission tomography (TOF-PET) relies on the development of scintillation materials and photodetectors. With the introduction of Cherenkov TOF-PET, higher requirements have been placed on the intrinsic timing performance of photodetectors. Our team has proposed a Cherenkov Radiator Window Photomultiplier tube (CRW-FPMT) that uses the Cherenkov radiator directly as the light window, which eliminates the boundary between the scintillator and the photodetector for fast time resolution. This paper mainly discusses the factors influencing its time resolution and optimizes it to achieve a single photon time resolution of 27.2 ps.

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来源期刊

Journal of Instrumentation 工程技术-仪器仪表

CiteScore

2.40

自引率

15.40%

发文量

827

审稿时长

7.5 months

期刊介绍： Journal of Instrumentation (JINST) covers major areas related to concepts and instrumentation in detector physics, accelerator science and associated experimental methods and techniques, theory, modelling and simulations. The main subject areas include. -Accelerators: concepts, modelling, simulations and sources- Instrumentation and hardware for accelerators: particles, synchrotron radiation, neutrons- Detector physics: concepts, processes, methods, modelling and simulations- Detectors, apparatus and methods for particle, astroparticle, nuclear, atomic, and molecular physics- Instrumentation and methods for plasma research- Methods and apparatus for astronomy and astrophysics- Detectors, methods and apparatus for biomedical applications, life sciences and material research- Instrumentation and techniques for medical imaging, diagnostics and therapy- Instrumentation and techniques for dosimetry, monitoring and radiation damage- Detectors, instrumentation and methods for non-destructive tests (NDT)- Detector readout concepts, electronics and data acquisition methods- Algorithms, software and data reduction methods- Materials and associated technologies, etc.- Engineering and technical issues. JINST also includes a section dedicated to technical reports and instrumentation theses.