Research on aspheric focusing lens processing and testing technology in the high-energy laser test system

Dan Liu; Xiu-hua Fu; Zong-he Jia; Zhe Wang; Huan Dong

doi:10.1117/12.2068019

6 August 2014 Research on aspheric focusing lens processing and testing technology in the high-energy laser test system

Dan Liu, Xiu-hua Fu, Zong-he Jia, Zhe Wang, Huan Dong

Proceedings Volume 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 928123 (2014) https://doi.org/10.1117/12.2068019
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

In the high-energy laser test system, surface profile and finish of the optical element are put forward higher request. Taking a focusing aspherical zerodur lens with a diameter of 100mm as example, using CNC and classical machining method of combining surface profile and surface quality of the lens were investigated. Taking profilometer and high power microscope measurement results as a guide, by testing and simulation analysis, process parameters were improved constantly in the process of manufacturing. Mid and high frequency error were trimmed and improved so that the surface form gradually converged to the required accuracy. The experimental results show that the final accuracy of the surface is less than 0.5μm and the surface finish is □, which fulfils the accuracy requirement of aspherical focusing lens in optical system.

Citation Download Citation

Dan Liu, Xiu-hua Fu, Zong-he Jia, Zhe Wang, and Huan Dong "Research on aspheric focusing lens processing and testing technology in the high-energy laser test system", Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 928123 (6 August 2014); https://doi.org/10.1117/12.2068019

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