This paper analyzed the basic principle of laser triangulation ranging and derived the formula between the object and the image of the laser triangulation.Designed a laser plastic optical system and an imaging optical system by optical design software ZEMAX.Using the optimization function of the ZEAMX, the aberration of the system has been optimized to meet the aberration requirements of the system.From the results of the design, the optical systems met the requirements and achieved a small and compact structure of the laser triangulation probe%分析了激光三角法测距的基本原理和物像位移的关系,利用光学设计软件ZEMAX设计了激光三角探头中光源整形光学系统和成像光学系统,通过ZEMAX软件的优化功能对光学系统的像差进行了优化,使其满足系统对像差的要求.从设计的结果来看,该套光学系统满足使用要求,并且实现了激光三角探头结构的小型化和紧凑化.
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