Research on adjusting and testing of off-axis paraboloid mirror with large aperture

Donghui Zheng; Lei Chen; Wenhua Zhu

doi:10.1117/12.2240476

27 September 2016 Research on adjusting and testing of off-axis paraboloid mirror with large aperture

Donghui Zheng, Lei Chen, Wenhua Zhu

Proceedings Volume 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment; 968406 (2016) https://doi.org/10.1117/12.2240476
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

Off-axis paraboloid (OAP) is widely used in optical system of large diameter, such as astronomical instruments, space optics and so on, for it produce no aberration at geometric focus. It simplifies the structure of optical system, improves imaging quality, reduces the size and weight, also cost of the system. The software Zemax was used to simulate the adjustment errors including high-low and pitch, tilt and off-axis distance, and the rotation around the secondary optical axis, by taking an off-axis paraboloid mirror with the diameter of 400mm, focal length of 4000mm, and the off-axis distance of 350mm for an example. Then the corresponding experiments were performed to verify the simulation results using PhaseCam6000 interferometer of 4D technology. It proves the simulation model in correct, will play an important role in adjusting an off-axis paraboloid mirror.

Citation Download Citation

Donghui Zheng, Lei Chen, and Wenhua Zhu "Research on adjusting and testing of off-axis paraboloid mirror with large aperture", Proc. SPIE 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment, 968406 (27 September 2016); https://doi.org/10.1117/12.2240476

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