EVALUATION OF AN IMAGING PHOTOTUBE USING MICROCHANNEL PLATES WITH DELAY-LINE READOUT

被引：5
|
作者：
WILLIAMS, MB
SOBOTTKA, SE
SHEPHERD, JA
机构：
[1] University of Virginia Physics Department, Charlottesville, Virginia
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 1991年 / 38卷 / 02期
基金：
美国国家卫生研究院;
关键词：
D O I：
10.1109/23.289289
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An imaging phototube using a bialkali photocathode, 40 mm microchannel plates (MCPs), and a crossed delay line readout has been constructed. The photocathode is found to exhibit good sensitivity, however overall detection efficiency is lowered by the MCP ion film barrier. The MCP gain characteristics are evaluated over the sensitive area, and the reduction of gain at high count rate is measured. We describe several overall detector characteristics, including dark count, spatial resolution, and geometric linearity.
引用
收藏
页码：148 / 153
页数：6
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