THE OPERATION OF MICROCHANNEL PLATES AT HIGH COUNT RATES

被引：60

作者：

FRASER, GW

PAIN, MT

LEES, JE

PEARSON, JF

机构：

[1] X-ray Astronomy Group, Department of Physics and Astronomy, University of Leicester, Leicester, LE1 7RH England, University Road

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1991年 / 306卷 / 1-2期

关键词：

D O I：

10.1016/0168-9002(91)90329-O

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The measured count rate characteristics of a large number of microchannel plate electron multipliers are compared with the predictions of a universal, paralysable-counter model. Individual plate resistances for the experimental study lie in the range 27-2450 M-OMEGA. The gain behaviour of single channel plates is shown to differ from that of multi-stage MCP detectors. The measured dependence of multi-stage multiplier recovery time on illuminated area is interpreted in terms of inter-channel coupling and of changes in conduction current during plate operation. Our findings have significance for the calibration of particle and photon spectrometers and for the development of future channel plate detectors with extended dynamic range.

引用

页码：247 / 260

页数：14

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