The designed method of optical imaging system and optical scanner have been described.This optical system consists of two aspherical mirrors i.e.Cassegrain system, the designed datas have been given.

• 描述了光学成像系统和光学扫描系统的设计方法,光学系统是由两个非球面反射镜所组成,并给出了光学系统设计的各种数据。