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核技术  2015 

光子晶体制备方法对同步辐射闪烁体探测器成像分辨率的影响

DOI: 10.11889/j.0253-3219.2015.hjs.38.070101, PP. 70101-70101

Keywords: 光子晶体,闪烁体,同步辐射成像,探测器,空间分辨率

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Abstract:

探测效率和空间分辨率是成像探测器的重要性能。采用光子晶体,可提高闪烁体的光提取效率和增加光输出,进而提高基于闪烁体的同步辐射X射线成像探测器的探测效率并缩短成像时间。探究光子晶体对于成像探测器分辨率的影响具有重要应用意义。在闪烁体上添加三种典型的光子晶体,在上海光源BL13W1线站进行探测器有无光子晶体的成像实验,对比分辨率靶成像效果以及衬度比的量化结果,得到影响分辨率的因素。结果表明,均匀有序、三角构型的光子晶体具有最佳的成像效果,对于光子晶体在成像探测器领域的应用研究具有指导意义。

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