本文介绍了一种利用非接触式光学干涉法测量透镜及镜头的中心厚度。它不同于常规的机械测量方法,避免了零件表面的损伤,提高了测量精度。文章还分析介绍了测试方法的基本原理、测试步骤以及须要注意的地方。最后还讨论了此方法尚待进一步改善的地方。 This article describes a method for measuring center thickness of lenses and lenses using non-contact optical interferometry. It is different from the conventional mechanical measurement methods, to avoid damage to the surface of the part, improve the measurement accuracy. The article also analyzes and introduces the basic principles of test methods, test procedures and areas needing attention. Finally, it discusses where this method needs to be further improved.