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Assembly for large aperture telescope primary mirror support system
Zhao, Y.; L. Shao; M. Ming; T. Lv and C. Liu
2017
Source PublicationHongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Volume46Issue:9
AbstractAccording to 1.2 m large aperture telescope primary mirror support system, an effective assembly method was advanced to insure the root-mean-square (RMS) of the surface accuracy. The primary mirror support system was designed following kinematic principle. To achieve excellent performance of the RMS of primary mirror surface accuracy at different ambient temperature (from -20 to 60) and different elevation (from vertical to horizontal), whiffletree structure were used for axial support, while lateral support mechanisms based on flexible tangent link structure were adopted. Resulting from machining error and installation error of the flexible structures, assembly stress was presented certainly, that could increase primary mirror distortion range evidently. By the finite element analysis (FEA) simulation, the effects of various errors were calculated. According to simulation results, assembly processes were established. After assembly of primary mirror support system, the RMS of primary mirror surface accuracy was measured by compensator and laser interferometer. In measurement, the RMS of surface accuracy was /42 and /31(=632.8 nm), when optical axis of primary mirror was vertical and horizontal. 2017, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.
Indexed Byei
Language中文
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59480
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Zhao, Y.,L. Shao,M. Ming,et al. Assembly for large aperture telescope primary mirror support system[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2017,46(9).
APA Zhao, Y.,L. Shao,M. Ming,&T. Lv and C. Liu.(2017).Assembly for large aperture telescope primary mirror support system.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,46(9).
MLA Zhao, Y.,et al."Assembly for large aperture telescope primary mirror support system".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 46.9(2017).
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