Mr. Zhenpeng Zhang Profile

Zhenpeng Zhang

at National Univ of Defense Technology

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Proceedings Article | 24 October 2017 Paper

The research on material removal characteristic of reactive ion beam figuring for optics mirrors

Zhenpeng Zhang, Xuhui Xie, Lin Zhou, Ying Lu, Zuocai Dai

Proceedings Volume 10460, 104600Z (2017) https://doi.org/10.1117/12.2284439

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The ion beam figuring(IBF) process can produce high accuracy optical surfaces, but the material removal rate is usually lower than 5nm/s and it usually can’t reduce the surface roughness and the middle frequency. This paper study on material removal characteristic of reactive ion beam figuring(RIBF) for optics mirrors, the RIBF process combines physical and chemical effects to remove material, including physical sputtering, spontaneous chemical etching and simultaneous ion bombardment-enhanced desorption. The experiment results indicated that the RIBF process improved the surface quality for optics mirrors by decreased the surface roughness and the middle frequency, and it increased the removal efficiency compare with the IBF process. The research hopes to establish a combined process of RIBF and IBF, and aim to obtain high removal rate and high accuracy surfaces for complex optics mirrors.

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