真空中无源轴对称静电场与等位线的描绘  

Passive Axisymmetric Electrostatic Field in Vacuum and Drawing Method of the Equipotential Line

作　　者：张衡 李野 

出　　处：《长春光学精密机械学院学报》1994年第4期25-29,共5页Journal of Changchun Institute of Optics and Fine Mechanics

摘　　要：文中简要地介绍了真空中无源轴对称静电场的近轴性质，提出了描绘等位线的依据，给出了具体方法、步骤与实例，指出了其在电子光学系统定性分析中的作用。In this paper, we have briefly introduced near-axis properties of passive axisymmetrical eiectrostatic field in vacuum,have presented the basis of dvawing equipotential line and have simultaneously given specific method procedure and example, Finaly, the function of quatitative analysis in the electron-optical systems have been pointed out.

关 键 词：电子透镜 电子光学 拉普拉斯方程 等位线 静电场 

分 类 号：O431[机械工程—光学工程]