Linear Dynamic Range of Low Resistance Microchannel Plate in DC Mode

YAO Wenjing; LIU Shulin; YAN Baojun; ZHAO Gaofeng; DONG Yongwei; WANG Zhigang; ZHU Kejun; ZHANG Binting; WEN Kaile; WANG Yuman; GU Jianyu

Volume 44 Issue 3

Mar. 2022

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Infrared Technology > 2022 > 44(3): 310-314.

YAO Wenjing, LIU Shulin, YAN Baojun, ZHAO Gaofeng, DONG Yongwei, WANG Zhigang, ZHU Kejun, ZHANG Binting, WEN Kaile, WANG Yuman, GU Jianyu. Linear Dynamic Range of Low Resistance Microchannel Plate in DC Mode[J]. Infrared Technology , 2022, 44(3): 310-314.

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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

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Received Date: April 07, 2021
Revised Date: June 08, 2021

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Abstract

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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