Determining time resolution of microchannel plate detectors for electron time-of-flight spectrometers

被引：6

作者：

Zhang, Qi ^{[1
]}

Zhao, Kun ^{[1
]}

Chang, Zenghu ^{[2
,3
]}

机构：

[1] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

[2] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA

[3] Univ Cent Florida, CREOL, Orlando, FL 32816 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 07期

关键词：

TEMPORAL RESOLUTION; SINGLE PHOTONS; MCP-PMT; PHOTOMULTIPLIERS; PERFORMANCE; SYSTEM; PULSES;

D O I：

10.1063/1.3463690

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The temporal resolution of a 40 mm diameter chevron microchannel plate (MCP) detector followed by a constant fraction discriminator and a time-to-digital converter was determined by using the third order harmonic of 25 fs Ti:sapphire laser pulses. The resolution was found to deteriorate from 200 to 300 ps as the total voltage applied on the two MCPs increased from 1600 to 2000 V. This was likely due to a partial saturation of the MCP and/or the constant fraction discriminator working with signals beyond its optimum range of pulse width and shape. (C) 2010 American Institute of Physics. [doi:10.1063/1.3463690]

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页数：5

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