本文基于光学三角法测量原理，设计了一种通过改变光平面与成像光轴夹角来实现对视场内被测零件表面扫描的视觉测头。
A novel noncontact scanner that scans the inspected part's surfaces by changing the Angle between laser plane and optical axis is designed based on optical triangulation.
介绍了用于光测电压的晶体的选择与晶体加工设计中的光轴选定原则。
This paper introduces the selection of crystal used for voltage measurement with optic, and the principle for selecting the optic axle.
再利用球面偏心测量原理检测被测透镜球面一面的偏心量，即可以求得被测非球面透镜的光轴共轴度。
Then the eccentricity of the sphere side of the tested lens is measured according to the principle of the spherical eccentric measurement.
该系统中引入了一个转动平台带动相机运动，使相机光轴始终对准运动的光学测头中某一个光点，保证光学测头成像在畸变比较小的像面中心附近。
In this system the axis of the camera always aims at the moving optical probe to ensure the probe imaging in the center of the image plane.
该系统中引入了一个转动平台带动相机运动，使相机光轴始终对准运动的光学测头中某一个光点，保证光学测头成像在畸变比较小的像面中心附近。
In this system the axis of the camera always aims at the moving optical probe to ensure the probe imaging in the center of the image plane.
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