非球面镜的使用能大大简化光学系统,因此被越来越多地应用到各种光学设计中。阐述了非球面镜发展的意义及其在光盘机光学读取头中的应用,并介绍了光学读取头物镜性能的评价和制作材料。

Aspherics are applied more and more widely in optical design as the use of aspheric lens simplifies the optical system. This paper introduces the aspherics used in the optical pick-up of video-disc player. The evaluation of the objective quality used in optical pick-up, as well as the material is given.