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Proceedings Paper

Development of a FSMP mirror assembly
Author(s): Jihun Kim; Young-Soo Kim; Je Heon Song; Myung Cho; Ho-Soon Yang; Joohyung Lee; Ho-Sang Kim; Kyoung-Don Lee; Won Hyun Park; Byeong-Gon Park
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Paper Abstract

A Prototype of Fast-steering Secondary Mirror (FSMP) for the Giant Magellan Telescope (GMT) has been developed by the consortium consisting of institutes in Korea and the US. In 2014 the FSMP development was finalized by combining the two major sub-systems, the mirror fabricated and the mirror cell with the tip-tilt control parts. We have developed an assembly procedure in which potential difficulties, such as handling without contacting mirror surface, and optimizing bonding process, have been resolved. Supporting jigs were produced, and optimized bonding techniques have been developed. The assembled FSMP system was installed in a test tower, and stability of the system were checked. Performance of the FSMP system will be evaluated in static and dynamic environments for the validation of the FSMP system operation as the future works.

Paper Details

Date Published: 17 September 2015
PDF: 8 pages
Proc. SPIE 9582, Optical System Alignment, Tolerancing, and Verification IX, 95820K (17 September 2015); doi: 10.1117/12.2191184
Show Author Affiliations
Jihun Kim, Korea Astronomy and Space Science Institute (Korea, Republic of)
Young-Soo Kim, Korea Astronomy and Space Science Institute (Korea, Republic of)
Je Heon Song, Korea Astronomy and Space Science Institute (Korea, Republic of)
Myung Cho, National Optical Astronomy Observatory (United States)
Ho-Soon Yang, Korea Research Institute of Standards and Science (Korea, Republic of)
Joohyung Lee, Korea Research Institute of Standards and Science (Korea, Republic of)
Ho-Sang Kim, Institute for Advanced Engineering (Korea, Republic of)
Kyoung-Don Lee, Institute for Advanced Engineering (Korea, Republic of)
Won Hyun Park, National Optical Astronomy Observatory (United States)
The Univ. of Arizona (United States)
Byeong-Gon Park, Korea Astronomy and Space Science Institute (Korea, Republic of)


Published in SPIE Proceedings Vol. 9582:
Optical System Alignment, Tolerancing, and Verification IX
José Sasián; Richard N. Youngworth, Editor(s)

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