非球面透镜球差的实验研究

Experimental Research into the Spherical Aberration of an Aspherical Lens

随着计算机技术和高精数控工艺的出现和发展，非球面透镜的设计与加工变得比较容易。因而在各种复杂的光学系统中采用非球面透镜己不是特殊的情况，本文从理论和实验上初步讨论了非球面透镜的纵向球差，并与折射本领基本相同的球面透镜进行了比较。结果表明，非球面透镜明显优于球面透镜。

The designing and making of an aspherical lens have become easier owing to the develop-ment of computator technology.It is not unusual that an aspherical lens is adopted in rarious com-plicated optical systems.This paper reports the experimental research into the longitudinal sphericalaberration of an aspherical lens and compares an aspherical lens with a spherical lens the refrectionpower of which is almost equal to the aspherical lens.The result indicates that the properties of as-pherical lens are better than those of a spherical lens.