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Using pulse shape analysis to improve the position resolution of a resistive anode microchannel plate detector

机译:使用脉冲形状分析来提高a的位置分辨率   电阻阳极微通道板检测器

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摘要

Digital signal processing techniques were employed to investigate the jointuse of charge division and risetime analyses for the resistive anode (RA)coupled to a microchannel plate detector (MCP). In contrast to the typicalapproach of using the relative charge at each corner of the RA, this jointapproach results in a significantly improved position resolution. Aconventional charge division analysis utilizing analog signal processingprovides a position measured resolution of 170 $\mu$m (FWHM). By using thecorrelation between risetime and position we were able to obtain a measuredresolution of 92 $\mu$m (FWHM), corresponding to an intrinsic resolution of 64$\mu$m (FMHM) for a single Z-stack MCP detector.
机译:数字信号处理技术被用于调查电荷分配和上升时间分析的联合,用于电阻阳极(RA)耦合至微通道板检测器(MCP)。与在RA的每个角使用相对电荷的典型方法相反,这种联合方法可显着提高位置分辨率。利用模拟信号处理的常规电荷划分分析可提供170μm(FWHM)的位置测量分辨率。通过使用上升时间与位置之间的相关性,我们能够获得测量的分辨率92μm(FWHM),对应于单个Z堆栈MCP检测器的固有分辨率64μm(FMHM)。

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