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Current Progress in the Research of LAMOST Primary Mirror Support
Xuefei Gong; Xiangqun Cui; Xizhang Ye
2004-09-29
Source PublicationAstronomical Structures and Mechanisms Technology
Volume5495
Issue5495
PagesVol.5495 499-506
Conference Date2004-6-21
Conference PlaceGlasgow, Scotland
Funding OrganizationThe International Society for Optical Engineering
PublisherSPIE
Abstract
The thirty-seven one meter class mirror segments which comprise the LAMOST primary mirror need precision support and cell to meet the demand of optics surface figure. Because true ZERODUR glass mirror has had the final design drawing that has been slight different from the former one, a modified sub-mirror finite element model and re-analysis have considered many new factors including the anti-drop groove, center blind hole and invar pad. At the same time, After a sub-cell prototype have been designed and manufactured, with a similar K9 glass mirror segment, the experiment of mirror figure testing is being conduct to verify sub-cell’s performance and modify some detail. The support truss of primary mirror also has new scheme. This paper introduces the sub-cell prototype experiment, analysis of sub-mirror and new support truss.
KeywordSegment Mirror Mirror Cell Truss Finite Element Analysis
Subject Area郭守敬望远镜(lamost) ; 有限元分析
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/379
Collection中国科学院南京天文光学技术研究所_会议论文
望远镜新技术研究室_会议论文
Recommended Citation
GB/T 7714
Xuefei Gong,Xiangqun Cui,Xizhang Ye. Current Progress in the Research of LAMOST Primary Mirror Support[C]:SPIE,2004:Vol.5495 499-506.
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