The optical properties of doubling the measurement accuracy using the cube-corner retroreflector which is applied to laser straightness measurement are analyzed in theory.
对角锥棱镜用于激光直线度测量时可使测量精度提高一倍的光学特性进行了分析。
2
Moreover, straightness of tens of microms can be measured and an accuracy of a fraction of a micron is readily given by coarse grating.
用它可测数十米物体的直线度，使用粗光栅即可容易地达到微米以下的精度。
3
Atmosphere turbulence is the major factor that affects the accuracy of the propagating direction of a laser beam, and causes serious errors in laser straightness measurement at long distance.