Compared with conventional interferometers,the configuration is easier and less error.Instead of the traditional standard surface, the fiber will provide high quality reference wavefront.

• 与传统的干涉仪相比，该方法结构相对简单，误差来源少,且不需要传统干涉仪中的高质量标准面，而是由光纤提供高精度的参考波面。