摘要
利用位相型衍射透镜和折射透镜的组合，给出一种接触式双焦眼镜的设计方法。
The design method of contact lens of two foci is presented. It is based ondiffraction principle of phase Fresnel lens. A computing examp1e is also given in this paper.
出处
《光学仪器》
1997年第2期14-16,共3页
Optical Instruments
