Control and support of 4-meter class secondary and tertiary mirrors for the Thirty Meter Telescope

Details Control and support of 4-meter class secondary and tertiary mirrors for the Thirty Meter Telescope Control and support of 4-meter class secondary and tertiary mirrors for the Thirty Meter Telescope

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6273e..39b&link_type=abstract

Optomechanical Technologies for Astronomy. Edited by Atad-Ettedgui, Eli; Antebi, Joseph; Lemke, Dietrich. Proceedings of the S

Astronomy and Astrophysics

Astronomy

Scientific paper

The Thirty Meter Telescope (TMT) project is a partnership between ACURA, AURA, Caltech, and the University of California. The design calls for a 3.6 m diameter secondary mirror and an elliptical tertiary mirror measuring more than 4 m along its major axis. Each mirror will weigh more than two metric tons and must be articulated to compensate for deformation of the telescope structure. The support and control of these "smaller optics" pose significant challenges for the designers. We present conceptual designs for active and passive figure control and articulation of these optics.

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