New and improved technology for manufacture of GMT primary mirror segments

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Author
Kim, Dae Wook
Burge, James H.
Davis, Jonathan M.
Martin, Hubert M.
Tuell, Michael T.
Graves, Logan R.
West, Steve C.
Affiliation
Univ Arizona, Coll Opt Sci
Univ Arizona, Steward Observ
Issue Date
2016-07-22
Keywords
Large optics
Computer Controlled Optical Surfacing (CCOS)
Giant Magellan Telescope (GMT)
Optical fabrication
Optics manufacturing

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Publisher
SPIE-INT SOC OPTICAL ENGINEERING
Citation
Dae Wook Kim ; James H. Burge ; Jonathan M. Davis ; Hubert M. Martin ; Michael T. Tuell ; Logan R. Graves and Steve C. West " New and improved technology for manufacture of GMT primary mirror segments ", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99120P (July 22, 2016); doi:10.1117/12.2231911; http://dx.doi.org/10.1117/12.2231911
Journal
ADVANCES IN OPTICAL AND MECHANICAL TECHNOLOGIES FOR TELESCOPES AND INSTRUMENTATION II
Rights
© 2016 SPIE.
Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
Abstract
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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ISSN
0277-786X
DOI
10.1117/12.2231911
Version
Final published version
Additional Links
http://proceedings.spiedigitallibrary.org/proceeding.aspx?doi=10.1117/12.2231911
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