PMO OpenIR
Multi-variable H-beta optimization approach for the lateral support design of a wide field survey telescope
Wang, Hairen1,2; Cheng, Jingquan1,2; Lou, Zheng1,2; Qian, Yuan1,2; Zheng, Xianzhong1,2; Zuo, Yingxi1,2; Yang, Ji1,2
2016-11-01
Source PublicationAPPLIED OPTICS
ISSN1559-128X
Volume55Issue:31Pages:8763-8769
AbstractWe have proposed a multi-variable H-beta optimization approach (MHOA). Compared with the conventional pushpull- shear lateral support optimization (CPLSO), which has only one design variable, beta, MHOA adds another design variable, H, which is the support position height. By contrast, the support position height of CPLSO is usually fixed at mid-thickness, H-m (or at H-0, the height of the center of gravity for the mirror), on the outer rim of the mirror blank. In addition, hybrid optimization with the sub-problem approximation method and first order method is also applied in MHOA. To verify the feasibility and the advancement, the optimization of the lateral support of the 2.5 m-wide field survey telescope (WFST) is performed with MHOA in this paper. Three designs with different supporting points, including 18 supporting points, 24 supporting points, and 36 supporting points, are obtained, and the residual half path length errors are 23.71 nm, 19.60 nm, and 17.79 nm, respectively. Furthermore, other things being equal, CPLSO with H = H-0 as well as CPLSO with H = H-m are used separately to validate the H-beta design idea quantitatively. The results have suggested that limiting the value of the residual half path length error, obtained by MHOA, has improved almost 20 nm compared to that of CPLSO with H = H-0, and almost 10 nm compared with that of CPLSO with H = H-m. (C) 2016 Optical Society of America
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1364/AO.55.008763
WOS KeywordMIRROR
Indexed BySCI
Language英语
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000387101100026
PublisherOPTICAL SOC AMER
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/24099
Collection中国科学院紫金山天文台
Corresponding AuthorWang, Hairen
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Wang, Hairen,Cheng, Jingquan,Lou, Zheng,et al. Multi-variable H-beta optimization approach for the lateral support design of a wide field survey telescope[J]. APPLIED OPTICS,2016,55(31):8763-8769.
APA Wang, Hairen.,Cheng, Jingquan.,Lou, Zheng.,Qian, Yuan.,Zheng, Xianzhong.,...&Yang, Ji.(2016).Multi-variable H-beta optimization approach for the lateral support design of a wide field survey telescope.APPLIED OPTICS,55(31),8763-8769.
MLA Wang, Hairen,et al."Multi-variable H-beta optimization approach for the lateral support design of a wide field survey telescope".APPLIED OPTICS 55.31(2016):8763-8769.
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