Reaction mechanism and the effects of additives on the polishing of phosphate laser glass

Haiyang Shan; Xueke Xu; Hongbo He; Kui Yi; Jianda Shao

doi:10.1117/1.OE.52.5.053402

28 May 2013 Reaction mechanism and the effects of additives on the polishing of phosphate laser glass

Haiyang Shan, Xueke Xu, Hongbo He, Kui Yi, Jianda Shao

Author Affiliations +

Optical Engineering, Vol. 52, Issue 5, 053402 (May 2013). https://doi.org/10.1117/1.OE.52.5.053402

Abstract

We investigated the effects of various polishing additives added to cerium oxide slurry on the polishing properties of phosphate laser glass. The results showed that additives could change the polishing efficiency of the slurry and affect the surface quality of the laser glass. After polishing, the surface roughness of the glass increased and even micrometer-scale etch pits formed on the glass surface. The additive with 1.05% by weight LaF ₃ improved the polishing efficiency significantly while controlling the surface roughness of the laser glass. From the chemical-reactions perspective, a model was proposed to analyze the polishing mechanism based on the chemical composition and structure of the phosphate laser glass material and on current and previous experimental phenomena.

Citation Download Citation

Haiyang Shan, Xueke Xu, Hongbo He, Kui Yi, and Jianda Shao "Reaction mechanism and the effects of additives on the polishing of phosphate laser glass," Optical Engineering 52(5), 053402 (28 May 2013). https://doi.org/10.1117/1.OE.52.5.053402

Published: 28 May 2013

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