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http://dx.doi.org/10.1016/j.net.2019.09.003

Development of a position sensitive CsI(Tl) crystal array  

Shi, Guo-Zhu (Institute of Modern Physics, Chinese Academy of Sciences)
Chen, Ruo-Fu (Institute of Modern Physics, Chinese Academy of Sciences)
Chen, Kun (School of Chemical Engineering, Anhui University of Science & Technology)
Shen, Ai-Hua (Institute of Modern Physics, Chinese Academy of Sciences)
Zhang, Xiu-Ling (Institute of Modern Physics, Chinese Academy of Sciences)
Chen, Jin-Da (Institute of Modern Physics, Chinese Academy of Sciences)
Du, Cheng-Ming (Institute of Modern Physics, Chinese Academy of Sciences)
Hu, Zheng-Guo (Institute of Modern Physics, Chinese Academy of Sciences)
Fan, Guang-Wei (School of Chemical Engineering, Anhui University of Science & Technology)
Publication Information
Nuclear Engineering and Technology / v.52, no.4, 2020 , pp. 835-840 More about this Journal
Abstract
A position-sensitive CsI(Tl) crystal array coupled with the multi-anode position sensitive photomultiplier tube (PS-PMT), Hamamatsu H8500C, has been developed at the Institute of Modern Physics. An effective, fast, and economical readout circuit based on discretized positioning circuit (DPC) bridge was designed for the 64-channel multi-anode flat panel PSPMT. The horizontal and vertical position resolutions are 0.58 mm and 0.63 mm respectively for the 1.0 × 1.0 × 5.0 ㎣ CsI(Tl) array, and the horizontal and vertical position resolutions are 0.86 mm and 0.80 mm respectively for the 2.0 × 2.0 × 10.0 ㎣ CsI(Tl) array. These results show that the CsI(Tl) crystal array with low cost could be applied in the fields of medical imaging and high-resolution gamma camera.
Keywords
CsI(Tl); Crystal array; DPC; Discretized positioning circuit; IQSP518 system;
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