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16 October 2017 Etching hard brittle optical materials by masked ion beam
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Proceedings Volume 10448, Optifab 2017; 1044809 (2017)
Event: SPIE Optifab, 2017, Rochester, New York, United States
The fabrication of small size aspheric optical surface, which made of hard brittle materials, usually uses optical cold processing. However, it is difficult to achieve the ideal requirements of the surface accuracy and roughness. In order to solve this problem, the masked ion beam figuring method is used to etch the one-dimension structure on the plat surface which made of hard brittle material. The results show that the expected surface profile is acquired and meanwhile mainly kept the original roughness and mid-frequency. It provides a possible way for fabricating small size aspheric optics which made of hard brittle materials.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yun Li, Taotao Fu, Xin Jia, and Tingwen Xing "Etching hard brittle optical materials by masked ion beam", Proc. SPIE 10448, Optifab 2017, 1044809 (16 October 2017);


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