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arXiv 2007.08937physics.ins-det
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高速率光电探测器的单光子时间分辨:滨松R13742 MaPMT和R10754 MCP-PMT

Single photon time resolution of photodetectors at high rate: Hamamatsu R13742 MaPMT and R10754 MCP-PMT

M. Calvi, S. Capelli, P. Carniti, C. Gotti, G. Pessina

摘要:

本文报道了两个光电探测器的时间分辨率的单光子计数器在高速率:滨松R13742-103-M64“传统”(基于金属倍增管)多阳极光电倍增管(MaPMT)和滨松R10754-07-M16微通道板光电倍增管(MCP-PMT)。在低光子速率下,MCP-PMT的时间分辨率(渡越时间扩展或抖动)约为70 ps FWHM(约为30 ps RMS),但在约100 kHz/mm^2以上达到饱和。MaPMT可以处理最高测试值10 MHz/mm^2的光子计数率。当仅像素中心被照亮时,其时间分辨率为~250 ps FWHM(~110 ps RMS),但是当整个像素区域被照亮时,像素边缘效应将分辨率降低到~400 ps FWHM(~170 ps RMS)。

英文摘要:

This paper reports on the time resolution of two photodetectors operated as single photon counters at high rate: a Hamamatsu R13742-103-M64 "conventional" (based on metal dynodes) multi-anode photomultiplier tube (MaPMT) and a Hamamatsu R10754-07-M16 microchannel plate photomultiplier tube (MCP-PMT). The MCP-PMT shows a time resolution (transit time spread, or jitter) of ~70 ps FWHM (~30 ps RMS) at low photon rates, but saturates above ~100 kHz/mm^2. The MaPMT can handle photon counting rates up to the highest tested, 10 MHz/mm^2. Its time resolution is ~250 ps FWHM (~110 ps RMS) when only the pixel center is illuminated, but pixel edge effects degrade the resolution to ~400 ps FWHM (~170 ps RMS) when the entire pixel area is illuminated.

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