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Optical compensation for the pertubed three mirrer anastigmatic telescope based on nodal aberration theory
Zhang, X. B.; S. Y. Xu; H. C. Ma and N. N. Liu
2017
Source PublicationOptics Express
Volume25Issue:11
AbstractIn this paper, the Zernike coefficient is analytically expressed as the product of the dependence of aberration field decenter vectors (related with perturbations) and the dependence of fields of view (FOVs), on the frame work of nodal aberration theory (NAT). By expanding and analyzing this expression, an alignment strategy by optical compensation for the perturbed on-axis or off-axis telescope is presented. Specifically, two cases, corresponding to the misalignment of tertiary mirror (TM) and the deformation of primary mirror (PM), respectively, are discussed for the same three mirror anastigmatic (TMA) telescope. Here the misaligned TM and the deformed PM are compensated only by aligning secondary mirror (SM). By analyzing the aberration field after compensation with the nominal, it is found that either PM or TM can be compensated by SM. It is also found TM is more easily compensated than PM. In the end, the NAT method developed here used for optical compensation is compared to merit function regression (MFR) method and sensitivity table method (STM). By comparing NAT method with MFR method, it is shown that the calculated correction values of SM based on NAT method is very close to the referred values obtained from MFR method. It proves the correctness of NAT method developed here. By comparing NAT method with STM, it demonstrates that the computation accuracy of NAT method is much higher in poor conditions and NAT method is less sensitive to measurement errors. It is further illustrated that the theory of optical compensation by SM developed here is correct and applicable. (C) 2017 Optical Society of America
Indexed Bysci ; ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59456
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Zhang, X. B.,S. Y. Xu,H. C. Ma and N. N. Liu. Optical compensation for the pertubed three mirrer anastigmatic telescope based on nodal aberration theory[J]. Optics Express,2017,25(11).
APA Zhang, X. B.,S. Y. Xu,&H. C. Ma and N. N. Liu.(2017).Optical compensation for the pertubed three mirrer anastigmatic telescope based on nodal aberration theory.Optics Express,25(11).
MLA Zhang, X. B.,et al."Optical compensation for the pertubed three mirrer anastigmatic telescope based on nodal aberration theory".Optics Express 25.11(2017).
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