A ∼0.7 mm spatial resolution all-digital animal PET system using improved trans-PET detectors

A ∼0.7 mm spatial resolution all-digital animal PET system using improved trans-PET detectors
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DOI：
10.1109/nssmic.2016.8069409
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发表时间：
2016-10
期刊：
2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD)
影响因子：
--
通讯作者：
Tong Liu;M. Niu;Shuguo Gu;P. Xiao;Q. Xie
Tong Liu;M. Niu;Shuguo Gu;P. Xiao;Q. Xie
中科院分区：
其他
文献类型：
--
作者：
Tong Liu;M. Niu;Shuguo Gu;P. Xiao;Q. Xie

文献摘要

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Spatial resolution is one of the most important performance in PET system. Higher spatial resolution can give more information about the region of interest in animal PET imaging. In this work, we implement a high resolution (approximate 0.7 mm) all digital animal PET system using improved Trans-PET detectors. The improved detector module uses 24×24 crystal array for higher intrinsic spatial resolution and each elements is 1.0×1.0×13.0mm3. The detector has an overall energy resolution of 13.8% FWHM @ 511keV. In addition, our preliminary imaging study shows that the all digital animal PET system can resolve 0.7 mm diameter rods separated by 1.4 mm.