The more exact object image law of reflection image on axial spherical surface is presented, the lateral magnification and aberration are discussed.
本文给出了二级近似时近轴球面反射成像的物象规律，进而讨论了横向放大率与像差。
2
The axial third order aberration coefficients of an inhomogeneous magnetic sector field are derived for the first time.
首次推导出了非均匀扇形磁场的轴向三阶象差系数。
3
Taking a laser beam of astigmatic aberration as an example, the state of the laser beam compensating system can be given by the axial hologram of the laser beam.