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基于APV25读出电子学系统的GEM探测器的位置分辨与X射线成像研究 被引量:2

Study of Spatial Resolution and X-ray Imaging of GEM Detector Based on APV25 Readout Electronics System
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摘要 采用3层GEM膜制作了有效面积为10cm×10cm的GEM探测器,该探测器采用二维条读出方式,条间距为400μm,每个维度有256个读出通道。探测器的读出采用APV25读出电子学系统,根据GEM探测器的需要,设计并改进了电子学系统使用的背板连接器。实验测得GEM探测器空间分辨为76μm。进行了X射线二维成像研究,获得了清晰的二维图像,探测器与电子学运行稳定可靠。 A 10cm×10cm GEM detector was made by three-layer GEM foils.The 2D strip readout mode was used and each dimension has 256 channels with pitch of 400μm.The APV25front-end readout chip was introduced in the detector,and the backplane connectors were improved in order to adapt the electronics system with GEM detector.The detector achieved the experimental spatial resolution of 76μm.In 2DX-ray imaging experiment,the clear image was obtained,which indicates the good working reliability of the GEM detector and electronics.
出处 《原子能科学技术》 EI CAS CSCD 北大核心 2016年第6期1132-1136,共5页 Atomic Energy Science and Technology
基金 国家自然科学基金资助项目(11175262) 核探测与核电子学国家重点实验室开放课题基金资助项目 973计划资助项目(2013CB837800) 中核预研基金 中国原子能科学研究院院长基金联合资助项目
关键词 GEM探测器 APV25 位置分辨 X射线成像 GEM detector APV25 spatial resolution X-ray imaging
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