Ms. Peiyao Wu Profile

Peiyao Wu

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Proceedings Article | 4 April 2023 Paper

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

Proceedings Volume 12617, 126170D (2023) https://doi.org/10.1117/12.2663028

KEYWORDS: Microchannel plates, Electrodes, Signal to noise ratio, Image intensifiers, Sensors, Night vision, Imaging devices, Quantum efficiency

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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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