Докладчики: Zhao Jin Yu, Yang Fei (CIOMP, China)

Название доклада: “Pre-Construction of Giant Steerable Science Mirror for TMT”

Cодержание доклада:  The Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) team is developing the Giant Steerable Science Mirror (GSSM) for Thirty Meter Telescope (TMT) which has got into the preliminary design phase in 2017. To develop the passive support structure system for the largest elliptic-plan flat mirror and a smoothest tracking mechanism for the gravity-invariant condition, CIOMP has developed a 1/4 scale, functionally accurate version of the GSSM prototype as the pre-construction of GSSM. The prototype incorporates the same optical-mechanical system and servo control system as the GSSM. The size of the prototype mirror is 898.5mm x 634mm x 12.5mm with elliptic-plan figure and is supported by 18 points whiffletree on axial and 12 points whiffletree on lateral. The main objective of the preconstruction includes validate the conceptual design of GSSM and increase more confidence when meet the challenge.

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