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17 September 2015 Development of a FSMP mirror assembly
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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.
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Jihun Kim, Young-Soo Kim, Je Heon Song, Myung Cho, Ho-Soon Yang, Joohyung Lee, Ho-Sang Kim, Kyoung-Don Lee, Won Hyun Park, and Byeong-Gon Park "Development of a FSMP mirror assembly", Proc. SPIE 9582, Optical System Alignment, Tolerancing, and Verification IX, 95820K (17 September 2015); https://doi.org/10.1117/12.2191184
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