New operation mode of a microchannel plate for the detection of low‐energy positive ions
作者:
Nobuyoshi Koshida,
Norio Nagashima@f@f,
期刊:
Review of Scientific Instruments
(AIP Available online 1983)
卷期:
Volume 54,
issue 1
页码: 62-64
ISSN:0034-6748
年代: 1983
DOI:10.1063/1.1137216
出版商: AIP
数据来源: AIP
摘要:
The gain characteristics of a microchannel plate (MCP) operated in the reflection mode are measured for positive ions with energies between 100 and 300 eV. Singly charged alkali ions emitted thermionically are used as the incident ions. The gain in the reflection mode is found to be higher than that in the conventional transmission mode. A preacceleration for the penetrating ions into the channels is responsible for the high gain obtainable. This result suggests the potential usefulness of a MCP operated in the reflection mode for the detection of low‐energy positive ions.
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