| 光电成象系统全色点扩散函数的研究 |
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| 引用本文： | 倪国强,周立伟,方二伦. 光电成象系统全色点扩散函数的研究[J]. 北京理工大学学报, 1988, 0(1) |
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| 作者姓名： | 倪国强 周立伟 方二伦 |
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| 作者单位： | 北京工业学院工程光学系(倪国强，周立伟)，西安近代化学研究所(方二伦) |
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| 摘 要： | 本文建立新的一阶横向象差半径的三维坐标曲面图形,用形象的手段讨论阴极透镜的全色点扩散函数,给出了在一股象面上归一化全色点扩散函数的表达式及若干实例。
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| 关 键 词： | 电子光学 光电成象器件 象差理论 点扩散函数 |
A STUDY OF MULTI-ENERGY POINT SPREAD FUNCTION IN ELECTRON OPTICAL IMAGING SYSTEMS |
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| Ni Guoqiang Zhou Liwei. A STUDY OF MULTI-ENERGY POINT SPREAD FUNCTION IN ELECTRON OPTICAL IMAGING SYSTEMS[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 1988, 0(1) |
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| Authors: | Ni Guoqiang Zhou Liwei |
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| Affiliation: | Ni Guoqiang Zhou Liwei ( Department of Optical Engineering )Fang Erlun( Xi'an Research Institute of Mordern Chemistry) |
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| Abstract: | A new geometric figure of the three dimensional coordinate for studying the first order lateral aberration radius ip cathode lenses has been suggested. The multi-energy point spread function (PSF) considering angular distribution and initial energy distribution for the cathode lenses has vividly been depicted and the expressions of normalized multi-energy PSF at arbitrary image plane have also been given, in which both the various parameters and the limits of different integrals have a clear and definite physical and mathematical meaning. Some practical examples for determining multi-energy PSF in the sharp focusing systems and proximity focusing systems have also been described |
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| Keywords: | electron optics photoelectropic imaging devices aberration theory point spread function. |
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