几何象差
Formulae for the first-order chromatic and third-order geometrical aberration coefficients of superimposed magnetic focus and deflection field of both electric and magnetic type in the case of a point source on the Z-axis are obtained.
并给出了磁聚焦和静电的偏转场相复合情况下竖轴的3级几何像差系数和1级色差系数公式。
Correction of third-order geometrical aberration equation in combined fields and aberration coefficients
电磁复合场三级几何像差方程的修正与像差系数
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