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目的 本文基于波长转换光纤和ZnS(Ag)/H310BO3闪烁屏,研发一套用于中子谱仪的中子位置灵敏探测器.方法 采用波长转换光纤和ZnS (Ag)/H310BO3闪烁屏测量中子位置信息的方法,使用硅光电倍增管阵列和“模式匹配”算法,建立实验装置.并通过实验室中子源和反应堆热中子孔道初步测试了实验装置的性能.结果 该实验装置的灵敏面积为80 mm×80 mm,位置分辨率为5 mm×5 mm,探测器热中子探测效率4.4%±0.2%,计数能力104/s.结论 实验装置的性能指标能够满足中子谱仪系统的需求.“,”Objective Based on the wavelength-shifting fibers and Zns (Ag)/H310BO3 scintillation screen,we developed a neutron position sensitive detector.Methods We established the apparatus using wavelength shifting fibers and ZnS (Ag)/H310BO3 scintillation screen capture neutron,silicon photomultiplier array,“pattern match” method to determine neutron position.Then neutron source and neutron flux from nuclear reactor was used to test the characters of the system.Rusults The detector has the sensitive area of 80 mm × 80 mm,pixel of 5 mm,detection efficiency of 4.4% ± 0.2% and count ability of 104/s.Conclusion The output of the thesis can fulfill the needs of neutron spectrum for the research in different scientific fields.