New and improved technology for manufacture of GMT primary mirror segments

被引：9
|
作者：
Kim, Dae Wook [1 ,2 ]
Burge, James H. [1 ]
Davis, Johnathan M. [2 ]
Martin, Hubert M. [2 ]
Tuell, Michael T. [2 ]
Graves, Logan R. [1 ]
West, Steve C. [2 ]
机构：
[1] Univ Arizona, Coll Opt Sci, Tucson, AZ 85721 USA
[2] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA
来源：
ADVANCES IN OPTICAL AND MECHANICAL TECHNOLOGIES FOR TELESCOPES AND INSTRUMENTATION II | 2016年 / 9912卷
关键词：
Large optics; Computer Controlled Optical Surfacing (CCOS); Giant Magellan Telescope (GMT); Optical fabrication; Optics manufacturing; TELESCOPE;
D O I：
10.1117/12.2231911
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The Giant Magellan Telescope (GMT) primary mirror consists of seven 8.4 m light-weight honeycomb mirrors that are being manufactured at the Richard F. Caris Mirror Lab (RFCML), University of Arizona. In order to manufacture the largest and most aspheric astronomical mirrors various high precision fabrication technologies have been developed, researched and implemented at the RFCML. The unique 8.4 m (in mirror diameter) capacity fabrication facilities are fully equipped with large optical generator (LOG), large polishing machine (LPM), stressed lap, rigid conformal lap (RC lap) and their process simulation/optimization intelligence called MATRIX. While the core capability and key manufacturing technologies have been well demonstrated by completing the first GMT off-axis segment, there have been significant hardware and software level improvements in order to improve and enhance the GMT primary mirror manufacturing efficiency. The new and improved manufacturing technology plays a key role to realize GMT, the next generation extremely large telescope enabling new science and discoveries, with high fabrication efficiency and confidence.
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收藏
页数：8
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