PET探测器技术的新进展
New Developments in PET Detector Technology
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摘要: PET设备中探测器的研发， 一直是很活跃且具有高创新性的领域。 提高现有基于闪烁晶体探测器的性能， 研究适用于多模式成像设备（PET/CT和PET/MRI）的新型探测器， 满足TOF和DOI技术的需求并促进其发展应用， 构成PET探测器的几个主要研究方向。 介绍了PET探测器在闪烁晶体、 光电探测器和半导体探测器等方面的最新进展， 指出未来最有潜力的探测器设计方案。 The research on PET detector is a very active and highly innovative field. The main research interests of PET detector include improving performances of scintillation crystal detectors， investigating new detectors being suitable for multimodality imaging (e.g.， PET/CT and PET/MRI)， meeting needs of TOF and DOI technologies in order to promote their development and application. In this paper， new developments in PET detector technology about scintillation crystal， photodetector and semiconductor detector are introduced and the most potential detector design scheme in the future is brought forward.Abstract: The research on PET detector is a very active and highly innovative field. The main research interests of PET detector include improving performances of scintillation crystal detectors， investigating new detectors being suitable for multimodality imaging (e.g.， PET/CT and PET/MRI)， meeting needs of TOF and DOI technologies in order to promote their development and application. In this paper， new developments in PET detector technology about scintillation crystal， photodetector and semiconductor detector are introduced and the most potential detector design scheme in the future is brought forward.
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