Manufacturing of the (phi)500-mm F/2 ellipsoid mirror

Xinnan Li; Junhua Pan; Xingtao Liu; Lijun Yuan; Zili Xia

doi:10.1117/12.402767

6 October 2000 Manufacturing of the Φ500-mm F/2 ellipsoid mirror

Xinnan Li, Junhua Pan, Xingtao Liu, Lijun Yuan, Zili Xia

Proceedings Volume 4231, Advanced Optical Manufacturing and Testing Technology 2000; (2000) https://doi.org/10.1117/12.402767
Event: International Topical Symposium on Advanced Optical Manufacturing and Testing Technology, 2000, Chengdu, China

Abstract

An ellipsoid mirror with Φ500 mm aperture has been successfully manufactured by NAIRC. The parameters of the mirror are as follows: diameter is Φ500 mm, radius of curvature is 1996 mm, conic constant k=-0.9545, requirements of surface accuracy are λ/10 (P-V) and λ/40 (RMS), (λ=632.8 nm). Based on the surface type, three kinds of test optics are designed. The errors of the elements in the testing optical path are analyzed. The small tools are used to figure the asphericity of the mirror. Finally surface accuracy of λ/10 (P-V) and λ/50 (RMS) are reached.

Citation Download Citation

Xinnan Li, Junhua Pan, Xingtao Liu, Lijun Yuan, and Zili Xia "Manufacturing of the Φ500-mm F/2 ellipsoid mirror", Proc. SPIE 4231, Advanced Optical Manufacturing and Testing Technology 2000, (6 October 2000); https://doi.org/10.1117/12.402767

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