低阻MCP在直流模式下的线性动态范围

姚文静; 刘术林; 闫保军; 赵高峰; 董永伟; 王志刚; 朱科军; 张斌婷; 温凯乐; 王玉漫; 谷建雨

低阻MCP在直流模式下的线性动态范围

姚文静^{1, 2,},
刘术林^{2, 3, ,},
闫保军²,
赵高峰¹,
董永伟²,
王志刚²,
朱科军²,
张斌婷^{2, 3},
温凯乐²,
王玉漫^{2, 4},
谷建雨^{2, 5}

1.
河南大学物理与电子学院, 河南开封 475004
2.
中国科学院高能物理研究所, 核探测与核电子学国家重点实验室, 北京 100049
3.
中国科学院大学物核科学与技术学院, 北京 100049
4.
南京大学物理学院, 江苏南京 210093
5.
广西大学物理科学与工程技术学院, 广西南宁 530004

基金项目:

国家自然科学基金重点项目 11535014

国家自然科学基金面上项目 11975017

国家自然科学基金面上项目 11675278

核探测与核电子学国家重点实验室 SKLPDE-ZZ-202015

核探测与核电子学国家重点实验室 SKLPDE-ZZ-202102

详细信息

作者简介:
姚文静（1995-），女，硕士研究生，研究方向为物理学。E-mail: yaowj@ihep.ac.cn

通讯作者:
刘术林（1963-），男，研究员，从事微通道板探测器研究。E-mail: liusl@ihep.ac.cn

中图分类号: TN152
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出版历程
- 收稿日期: 2021-04-07
- 修回日期: 2021-06-08
- 刊出日期: 2022-03-19

Linear Dynamic Range of Low Resistance Microchannel Plate in DC Mode

YAO Wenjing^{1, 2,},
LIU Shulin^{2, 3, ,},
YAN Baojun²,
ZHAO Gaofeng¹,
DONG Yongwei²,
WANG Zhigang²,
ZHU Kejun²,
ZHANG Binting^{2, 3},
WEN Kaile²,
WANG Yuman^{2, 4},
GU Jianyu^{2, 5}

1.
School of Physics and Electronics, Henan University, Kaifeng 475001, China
2.
Institute of High Energy Physics, CAS, State Key Laboratory of Particle Detection and Electronics, Beijing 100049, China
3.
School of Nuclear Sciences and Technology, University of Chinese Academy of Science, Beijing 100049, China
4.
School of Physics, Nanjing University, Nanjing 210093, China
5.
School of Physical Science and Engineering Technology, Guangxi University, Nanning 530004, China

摘要

摘要: 对国产低电阻微通道板（microchannel plate, MCP）在直流模式下的线性动态范围开展了详细研究。利用深紫外光源（低压汞灯）激发蒸镀有金阴极的MCP，获得较宽范围的输入电流，进而测试了与低阻MCP线性动态范围相关的各项参数，包括电阻、增益、传导电流以及最大最小输入电流等。结果表明：降低体电阻能够有效提高MCP的线性动态范围，其最大和最小输入电流之间跨越6个数量级；该低阻MCP在3种不同工作电压下，最大输出电流为传导电流的16%~19%，与国际上高输出技术MCP相比，性能相当，能够应用于相关领域。
- 微通道板 /
- 电阻 /
- 线性动态范围 /
- 增益
Abstract: In this paper, a detailed study of the linear dynamic range of the domestic low-resistance microchannel plate (MCP) in DC mode is carried out. In the experiment, a deep ultraviolet light source (low-pressure mercury lamp) is used to excite the MCP with a gold film in order to obtain a wide range of input current, and then various parameters related to the linear dynamic range of the low-resistance MCP are tested. These parameters include resistance, gain, strip current, the maximum and minimum input current, etc. The results show that reducing the resistance can effectively improve the linear dynamic range of the MCP, and the maximum and minimum input current span over 6 orders of magnitude. The low-resistance MCP has a maximum output current of 16% to 19% of the strip current under three different operating voltages. It has comparable performance to the international high-output MCP technology and can be applied in related fields.
- microchannel plate /
- resistance /
- linear dynamic range /
- gain

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图 1 低阻MCP测试原理图

Figure 1. Low-resistance MCP test principle diagram

下载: 全尺寸图片幻灯片

图 2 在118 pA输入电流下，MCP的工作体电阻随工作电压的变化

Figure 2. The resistance of the MCP varies with the operating voltage under 118 pA input current

下载: 全尺寸图片幻灯片

图 3 MCP的增益随工作电压的变化关系

Figure 3. The relationship between the gain of the MCP and the operating voltage

下载: 全尺寸图片幻灯片

图 4 MCP的增益随输出电流的变化关系

Figure 4. The relationship between the gain of the MCP and the output current

下载: 全尺寸图片幻灯片

图 5 低阻MCP的在不同工作电压下的输出电流随输入电流的变化关系

Figure 5. The relationship between output current and input current of the low resistance MCP under different operating voltages

下载: 全尺寸图片幻灯片

表 1 低阻MCP在不同工作电压下测得的参数

Table 1 The parameters of low resistance MCP under different working voltages

Voltage/V	Gain	Dark current/A	EEI/A	I_in-max/A	Linear dynamic range	I_out/I_s
760	2617	4.0×10^-12	1.53×10^-15	6.95×10^-9	4.54×10⁶	19%
780	3918	4.7×10^-12	1.20×10^-15	3.58×10^-9	2.98×10⁶	17%
800	5799	5.6×10^-12	9.66×10^-16	2.78×10^-9	2.88×10⁶	16%

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参考文献(12)

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