A new spherometer based on self-referencelaser shearing interferometric technique is described The principles and error analysis of the spherometer are given in detall.
本文根据自参考剪切干涉技术，采用球面补偿自准直原理，提出了一种新型激光干涉球径仪。
2
Theoretic and experiment study of a shipboard attitude reference system using laser gyros.
某船载激光陀螺姿态参考系统的理论分析与实验研究。
3
In this system, called an adaptive optics ophthalmoscope, a laser creates a reference point that is used to correct the blurring of the image obtained with a fundus camera.