Design of mirror subassembly in CO2sounder

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	Design of mirror subassembly in CO2sounder
	Wei, Y.-F.; C. Lin; H. Xue and Y.-Q. Zheng
刊名	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
	2017
卷号	25 期号:3
英文摘要	To lower the impact of thermal deformation due to gravity, mechanical test, launching environment and linear expansion coefficient difference of the material on mirror surface of the CO2sounder, an analysis was conducted in material selection, structural design and cooperation mode of the mirror subassembly. In the analysis, SiC material was adopted for mirror making, and light weight design was carried out in the mirror body through finite element analysis based on ring-shaped support mode of the mirror; then invar materials with relatively small liner expansion coefficient were selected to design simple and reliable mirror support structure based on stability of the triangle structure and flexible structure of the bipod; the mirror and support structure formed a 1:50 taper surface through epoxy resin adhesive. Then in strict process conditions, precise machining and assembly and mechanical test were conducted in the mirror subassembly. The results show that primary frequencies in the X direction, Y direction and Z direction are respectively 445 Hz, 423 Hz and 444 Hz, approximate to results from the finite element analysis. After such test, the mirror surface shape variation PV is lower than 1/10, with a RMS value lower than 1/30 (=632.8 nm). It proves that structural design and adjustment of the CO2sounder mirror subassembly, which are reasonable, can meet the requirements of imaging spectrometer. 2017, Science Press. All right reserved.
语种	中文
内容类型	期刊论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/59312]
专题	长春光学精密机械与物理研究所_中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Wei, Y.-F.,C. Lin,H. Xue and Y.-Q. Zheng. Design of mirror subassembly in CO2sounder[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2017,25(3).
APA	Wei, Y.-F.,C. Lin,&H. Xue and Y.-Q. Zheng.(2017).Design of mirror subassembly in CO2sounder.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,25(3).
MLA	Wei, Y.-F.,et al."Design of mirror subassembly in CO2sounder".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 25.3(2017).