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当我设定DLP3000镜子都在ON的状态使用偏振的激光(780nm)照射后发现一个问题当激光反射出来的时候一开始会呈现圆形后来随着距离越长反射的图形就会从圆形变成一条线请问是什么原因造成的呢有没有办法不要让图形变形?
激光是相干光源, DMD相当于一个闪耀光栅,因此结果就会有0级,1,2,等等衍射斑.和入射方向相关.你可以参考相关的光学系统设计文档资料.
