Options of lightweight mirror design and mounting such mirrors in telescope

被引：0
|
作者：
Butova, Darya V. [1 ]
Tolstoba, Nadezhda D. [1 ]
Fleysher, Alexander G. [2 ]
Starichenkova, Valentina D. [2 ]
机构：
[1] Univ ITMO, St Petersburg, Russia
[2] Vavilov State Opt Inst, St Petersburg, Russia
来源：
OPTICAL DESIGN AND ENGINEERING VII | 2018年 / 10690卷
关键词：
space telescope; primary mirror; lightweight mirror; thin mirror; silicon carbide; FEM;
D O I：
10.1117/12.2312448
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Decreasing mass of telescope mirrors issue is still actual today. Common lightweighting mirrors method uses relief back structure. In the article it is proposed to change back flat surface to spherical one. Options of mirror design are considered: design of "negative" (with the smallest thickness in the center), "positive" (with the smallest thickness along the edge) meniscus and meniscus with the same thicknesses. The schemes of mounting such mirrors in telescope are considered.
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页数：6
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