2D位敏核探测器检测平台研究
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摘要
为了确保2D位敏核探测器的成像性能,需要对探测器各个像素通道进行增益标定和刻度匹配,为此对2D位敏核探测器检测平台进行研究,设计开发了基于激光光源的二维平面光学检测平台。实验证明了该检测平台能够准确的刻度光电倍增管(PMT)元件各个通道的增益差异,为组装匹配和电子学调试提供数据支持。
In order to ensure the imaging performance of 2D position sensitive nuclear detectors,it needs to calibrate gain scale and match graduation for each pixel of the detector channel. This paper studies detection platform of 2D position sensitive nuclear detector,and developed a two dimensional planar optical detection platform based on the laser light source. The results show that the detection platform can accurately scale the difference gains of each channel for PMT,providing data support for electronics test and assembly matching.
In order to ensure the imaging performance of 2D position sensitive nuclear detectors,it needs to calibrate gain scale and match graduation for each pixel of the detector channel. This paper studies detection platform of 2D position sensitive nuclear detector,and developed a two dimensional planar optical detection platform based on the laser light source. The results show that the detection platform can accurately scale the difference gains of each channel for PMT,providing data support for electronics test and assembly matching.
引文
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[2] Peter Weilhammer. Overview:silicon vertex detectors and trackers[J]. Nucl Instr and Meth A,2000,453:60-70.
[3] Wang C L,Riedel R A. Uniformity measurements and new positioning algorithms for wavelength-shifting fiber neutron detectors[J]. Nuclear Instruments and Methods in Physics Research Section A:Accelerators,Spectrometers,Detectors and Associated Equipment,2014,751:55-61.
[4] Yang L,Zhou JR,Sun ZJ,et al. Experimental research on a THGEM-based thermal neutron detector[J]. Chinese Physics C,2015,39(5):056002.
[5]席印印,宋玉收,陈志强,等. NE213闪烁体探测器中子探测效率模拟[J].原子核物理评论,2013,30(1):52-57.
[6]吴福源,张凤娜,高永凤,等.高能γ探测系统中的光耦合部件参数优化[J].强激光与粒子束,2013,25(1):169-172..
[7]王小胡.二维位置灵敏中子探测器的研制[D].北京:中国科学院高能物理研究所,2009.
[8]余波,苏明,刘慎业,等.中子半影成像的闪烁体阵列空间分辨力模拟[J].强激光与粒子束,2012,24(8):1826-1830-57.