摘要
在挂网制版照相中,网屏到象面距离的变化会改变象元光斑的能量分布,从而导致印版上网点大小的变化。本文用光束限制理论对此进行了分析,并提出新的光强分布曲线。
In the process of screen plate making, the distance of screen plate to image surface will change the cnergy distribution of the image light spot and thus leads to the varation of the dot size. The problcm mentioned above will be discussed and the light beam limit on the theory of the new light intensity distribution curves are presented in this paper.
