Simulating the spatial resolution of the framing camera

Xiaohong Bai; Bingli Zhu; Peng Xu; Bo Wang; Yongsheng Gou; Junjun Qin; Weiwei Cao; Baiyu Liu; Yonglin Bai

doi:10.1117/12.2255140

7 November 2016 Simulating the spatial resolution of the framing camera

Xiaohong Bai, Bingli Zhu, Peng Xu, Bo Wang, Yongsheng Gou, Junjun Qin, Weiwei Cao, Baiyu Liu, Yonglin Bai

Proceedings Volume 10141, Selected Papers of the Chinese Society for Optical Engineering Conferences held July 2016; 1014118 (2016) https://doi.org/10.1117/12.2255140
Event: Selected Proceedings of the Chinese Society for Optical Engineering Conferences held July 2016, 2016, Changchun, China

Abstract

The structural models of micro-channel plate (MCP) and fluorescent screen of the framing camera were established. By combining the finite element integration and Monte Carlo method, software Simion and Lorenz were respectively used to simulate the effects of different voltages loaded on the fluorescent screen, different closed distance between fluorescent screen and MCP, and electrode immersion depth at MCP output on the spatial resolution, in order to obtain an axisymmetric distribution curve. Results showed that the closed distance between MCP and fluorescent screen had the largest impact on the framing camera’s spatial resolution. In addition, higher fluorescent screen voltage did not necessarily result in better spatial resolution, as it was influenced by the light-emitting mechanism of the fluorescent screen. At the framing camera’s current closed distance of 0.8mm, a fluorescent screen voltage of 5000V could achieve the best spatial resolution.

Citation Download Citation

Xiaohong Bai, Bingli Zhu, Peng Xu, Bo Wang, Yongsheng Gou, Junjun Qin, Weiwei Cao, Baiyu Liu, and Yonglin Bai "Simulating the spatial resolution of the framing camera", Proc. SPIE 10141, Selected Papers of the Chinese Society for Optical Engineering Conferences held July 2016, 1014118 (7 November 2016); https://doi.org/10.1117/12.2255140

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KEYWORDS

Spatial resolution

Microchannel plates

Cameras

Electrodes

Monte Carlo methods

Modulation transfer functions

Scattering

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