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科学技术的迅速发展对光学零件的精度提出了越来越高的要求,单从平面光学零件来讲,不但要求有秒级的平行度,而且要有高精度的平面度及表面光洁度。目前,对这种高精度的平面零件,多采用光胶垫板加工,虽能达到平行度及平面度的要求。但对于表面光洁度要求高(B=Ⅰ～Ⅲ)的零件却存在较大的困难,我们采用圆槽式和圆环式光胶板加工,基本上解决了这一困难,且在平行差的测量上,也比一般光胶板方便。现将平行介质模板和圆光栅板采用圆槽式和圆环式光胶板的加工工艺介绍如下。
The rapid development of science and technology has put forward higher and higher requirements on the accuracy of optical components. In terms of planar optical components, it not only requires the parallelism of seconds, but also requires high-precision flatness and surface finish. At present, the plane parts of this high-precision, multi-use light plastic pad processing, although able to achieve the parallelism and flatness requirements. However, for the surface finish demanding (B = Ⅰ ~ Ⅲ) of the parts there is a big difficulty, we use the circular groove and annular optical plastic sheet processing, basically solved the difficulty, and the difference between the measured On, but also more convenient than the average light plastic sheet. Now parallel to the media template and the circular grating plate with a circular groove and the ring of light plastic sheet processing technology are as follows.