The precise location of the laser spot center is an important step to raise the measurement resolution in large 3-D surfaceprofilemeasuringsystem of laser scanning.
在激光扫描大型三维曲面测量中， 激光光斑中心的准确定位是提高测量分辨力的关键。
2
A contact surfaceprofile measurement system which is based on white-light interference measuring technique is proposed.