CAI Rong, XU Quan-yi, YANG Li, WU Fan. Process or High-accuracv Co-center Optical Element[J]. Chinese Journal of Lasers, 2003, 30(s1): 164
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The process of a high-accuracy co-center component, a multi-beam laser switch ball, was introduced. It consists of two hemispheres cemented together. As the ratio of diameter to thickness is 25.2:1, it's obviously a ultra-thin element. Therefore, by analysis of the problems emerging during manufacturing, corresponding solutions were given.