Analysis on the alignment errors of segmented Fresnel lens

Xudong Zhou; Shibin Wu; Wei Yang; Lihua Wang

doi:10.1117/12.2070299

2 September 2014 Analysis on the alignment errors of segmented Fresnel lens

Xudong Zhou, Shibin Wu, Wei Yang, Lihua Wang

Proceedings Volume 9280, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 92800O (2014) https://doi.org/10.1117/12.2070299
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

Stitching Fresnel lens are designed for the application in the micro-focus X-ray, but splicing errors between sub-apertures will affect optical performance of the entire mirror. The offset error tolerance of different degrees of freedom between the sub-apertures are analyzed theoretically according to the wave-front aberration theory and with the Rayleigh criterion as evaluation criteria, and then validate the correctness of the theory using simulation software of ZEMAX. The results show that Z-axis piston error tolerance and translation error tolerance of XY axis increases with the increasing F-number of stitching Fresnel lens, and tilt error tolerance of XY axis decreases with increasing diameter. The results provide a theoretical basis and guidance for the design, detection and alignment of stitching Fresnel lens.

Citation Download Citation

Xudong Zhou, Shibin Wu, Wei Yang, and Lihua Wang "Analysis on the alignment errors of segmented Fresnel lens", Proc. SPIE 9280, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 92800O (2 September 2014); https://doi.org/10.1117/12.2070299

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