非球面的光学测试技术

Optical Testing Technique For Aspherical Surface

介绍非球面及其相关知识,讨论了非球面光学检测的研究现状.按照测量原理的不同,对干涉法、阴影法、激光扫描法等几类典型的非球面测试技术进行了分析.通过比较各种方法的优缺点和适用范围,提出了在线检测小型非球面的研究方向.

This paper introduces the status of optical testing technology aspherical surface for aspherical surface.Some typical methods are summarized and generalized,including interferometry,shadow method and laser scanning method.The principle of each method is analyzed in detail.On the base of comparing advantages,disadvantages and applying scope of all methods,the project for on-line measurement of small-scale aspherical surface is presented.