Design of compensating and testing system of primary mirror with a 500mm diameter

Lianxiao Fu; Guanguan Zhou; Tongshu Li

doi:10.1117/12.867988

13 October 2010 Design of compensating and testing system of primary mirror with a 500mm diameter

Lianxiao Fu, Guanguan Zhou, Tongshu Li

Proceedings Volume 7654, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 76541N (2010) https://doi.org/10.1117/12.867988
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

Concave aspheric mirror with large aperture can be manufactured and tested by Offner optical system. In order to manufacture and test a concave aspheric mirror with a aperture of 500mm diameter, firstly the formula of compensating system with single lens is deducted based on the third-order aberration, secondly the initial configuration of Offner optical system is calculated with formula, field lens is also added to balance the optical system, then the data of initial configuration is optimized by optical software ZEMAX, the final result of Offner optical system with single compensating lens is obtained after optimization. With the same principle, the formula of Offner optical system with double compensating lens is deducted, the initial configuration of Offner optical system is also calculated with formula, so the final configuration of double compensating lens system is obtained after optimization. Finally Offner optical system with double compensating lens is selected to manufacture and test the aspheric mirror.

Citation Download Citation

Lianxiao Fu, Guanguan Zhou, and Tongshu Li "Design of compensating and testing system of primary mirror with a 500mm diameter", Proc. SPIE 7654, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 76541N (13 October 2010); https://doi.org/10.1117/12.867988

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