Area source electron gun uniformity analysis

YaFeng Qiu; BenKang Chang; LianJun Sun; JunJu Zhang; YouTang Gao; RongGuo Fu

doi:10.1117/12.790658

3 March 2008 Area source electron gun uniformity analysis

YaFeng Qiu, BenKang Chang, LianJun Sun, JunJu Zhang, YouTang Gao, RongGuo Fu

Proceedings Volume 6621, International Symposium on Photoelectronic Detection and Imaging 2007: Photoelectronic Imaging and Detection; 66210H (2008) https://doi.org/10.1117/12.790658
Event: International Symposium on Photoelectronic Detection and Imaging: Technology and Applications 2007, 2007, Beijing, China

Abstract

Fluorescence screen of Image intensifier is the key part to imaging quality of micro light and ultraviolet Image intensifier. To research the performance testing and analysis of Fluorescence screen seems more important in China. The research will help to understand the performance of Fluorescence screen, know where improvement should be made and then a best performance entire tube will be achieved. This article will do the theory analysis to part of testing instrument, area source electron gun's uniformity. Electron gun consists of taper tantalum filament, vacuum environment and axial symmetry high pressure static field. The uniformity of hot electron emission of filament has been analyzed. Upon that, this article will specially analyze the uniformity of electron in the effective area after they go through the axial symmetry high pressure static field and get accelerated.

Citation Download Citation

YaFeng Qiu, BenKang Chang, LianJun Sun, JunJu Zhang, YouTang Gao, and RongGuo Fu "Area source electron gun uniformity analysis", Proc. SPIE 6621, International Symposium on Photoelectronic Detection and Imaging 2007: Photoelectronic Imaging and Detection, 66210H (3 March 2008); https://doi.org/10.1117/12.790658

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