An efficient method and system for simultaneously measuring the performance of vast scintillating materials

查看全文 作　　者：CHEN [1,2,3]Yan;ZHANG [1,2]Zhiming;LI [1,2]Daowu;SHUAI [1,2]Lei;HUANG [1,2]Xianchao;TANG [1,2]Haohui;LI [1,2]Ting;ZHUANG [1,2]Kai;WANG [1,2,3]yingjie;LIU [1,2,3]Yantao;ZHANG [1,2,3]Yiwen;CHAI [1]Pei;LIU [1,2]Shuangquan;ZHU [1,2]Meiling;WANG [1,2]Baoyi;WEI [1,2]Long 机构地区：[1]Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;[2]Beijing Engineering Research Center of Radiographic Techniquesand Equipment, Beijing 100049, China;[3]Graduate University of Chinese Academy of Sciences, Beijing 100049, China 出　　处：《Nuclear Science and Techniques》索引2012年第23卷第3期,共6页 基　　金：Supported by National Natural Science Foundation of China (10805049,11175200);Knowledge Innovation Program of the Chinese Academy of Sciences,Grant (KJCX2-EW-N06);Special-funded Programme on National Key Scientific Instruments and Equipment Development (2011YQ120096) 摘　　要：A method and system for automatically and simultaneously measuring the light output of multiple scintillators,or each scintillating unit of an array,were developed.Using a large area flat panel PSPMT H8500,the light output and energy resolution were obtained automatically by comparing with reference scintillators or array using an Energy Table,Look-up Table and energy spectrum data.The aim of developing an efficient performance evaluation of scintillators was achieved.Using the method,a scintillator performance testing system was set up and six LYSO crystals and a 3×3 LYSO array were measured.The results showed that the light output and energy resolution were accurately measured automatically.The deviation of repeat measurements for the same sample was not more than 2%,and the nonlinear deviation of the system was not more than 3%.The system is suitable for measuring the performance of crystals,especially where the mass measurement of crystals and arrays is required. 关 键 词：性能测试系统 同时测量 闪烁材料 能量分辨率 线性偏差 光输出 绩效评估 重复测量