Experimental study on KDP crystal polishing

B. L. Wang; H. Gao

doi:10.1117/12.782683

14 November 2007 Experimental study on KDP crystal polishing

B. L. Wang, H. Gao

Proceedings Volume 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 672209 (2007) https://doi.org/10.1117/12.782683
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

KDP (KH₂PO₄) crystal is a high-quality nonlinear optical material used for optical frequency-conversion devices and electron-optical switches in solid-state laser drivers for ICF (Inertial Confined Fusion). KDP crystal is considered difficult to machine because it is extremely soft, hygroscopic, brittle and thermally sensitive. This paper focuses on the polishing study of frequency-tripling crystal planes. The influences of different polishing pad, slurry and machining parameters on roughness, material removal rate and surface topography have been studied. Based on above experiment, the feasibility of KDP crystal polishing was discussed.

Citation Download Citation

B. L. Wang and H. Gao "Experimental study on KDP crystal polishing", Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 672209 (14 November 2007); https://doi.org/10.1117/12.782683

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