Study on the input electrode depth of the funnel microchannel plate

Junkun Huang; Yanni Gong; Jinneng Zeng; Tingtao Li; Yijing Wang; Qionglian Yang; Rui Yue; Peiyao Wu; Zhujun Chu; Xiaofeng Li

doi:10.1117/12.2663028

4 April 2023 Study on the input electrode depth of the funnel microchannel plate

Junkun Huang, Yanni Gong, Jinneng Zeng, Tingtao Li, Yijing Wang, Qionglian Yang, Rui Yue, Peiyao Wu, Zhujun Chu, Xiaofeng Li

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Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 126170D (2023) https://doi.org/10.1117/12.2663028
Event: 9th Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China

Abstract

The microchannel plates are electron multiplier which mainly used in image intensifier tubes for imaging and intensification of the photoelectron image. In this paper, the research models of the funnel microchannel plate are established by the CST Studio Suite software. The whole research model includes the particle emission source, the funnel microchannel plate model with input reinforcement film and the detector module. Under the same parameter settings of the particle emission source, the influence of the input electrode depth of the funnel microchannel plate on the incident particles is studied. The detector module is placed in a fixed position and the electrode depth vary from 0 μm to 7 μm with an appropriate step. Under different electrode depth, the electron distributions on the input surface and at the 7 μm depth of the funnel microchannel plate are obtained. After processing the data, the influence of the input electrode depth on the incident electron distribution is obtained, which lays a foundation for the further theoretical and structural research of the funnel microchannel plate. Meanwhile, the related experiments are carried out for the funnel microchannel plate with different input electrode depth, and the experimental results are compared with the simulation results.

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Junkun Huang, Yanni Gong, Jinneng Zeng, Tingtao Li, Yijing Wang, Qionglian Yang, Rui Yue, Peiyao Wu, Zhujun Chu, and Xiaofeng Li "Study on the input electrode depth of the funnel microchannel plate", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 126170D (4 April 2023); https://doi.org/10.1117/12.2663028

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KEYWORDS

Microchannel plates

Electrodes

Signal to noise ratio

Image intensifiers

Sensors

Imaging devices

Night vision

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