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Analysis of TMT Primary Mirror Control-Structure Interaction
Extremely Large Telescopes Control Systems Control-Structure-Interaction
2015/5/12
The primary mirror (M1) of the Thirty Meter Telescope (TMT) is composed of 492 hexagonal segments of
circumscribed diameter 1.43m, as shown in Figure 1. The out-of-plane degrees of freedom are contro...
Advances in Edge Sensors for the Thirty Meter Telescope Primary Mirror
Extremely Large Telescopes edge sensors segmented mirrors
2015/5/12
The primary mirror segments are passively constrained in the three lateral degrees of freedom. We evaluate the segment
lateral motions due to the changing gravity vector and temperature, using site ...
Design of a Prototype Primary Mirror Segment Positioning Actuator for the Thirty Meter Telescope
TMT actuator control system
2015/5/12
In order for the Thirty Meter Telescope (TMT) to achieve the required optical performance, each of its 738 primary
mirror segments must be positioned relative to adjacent segments with nanometer-lev...
Development of the Primary Mirror Segment Support Assemblies for the Thirty Meter Telescope
TMT segment mirror support
2015/5/12
This paper describes the studies performed to establish a baseline conceptual design of the Segment Support Assembly (SSA) for the Thirty Meter Telescope (TMT) primary mirror. The SSA uses a combinat...
Primary Mirror Segmentation Studies for the Thirty Meter Telescope
mirror segment segmentation
2015/5/12
The Thirty Meter Telescope (TMT) project, a partnership between ACURA, Caltech, and the University of California, is
currently developing a 30-meter diameter optical telescope. The primary mirror wi...
Advancement of the Segment Support System for the Thirty Meter Telescope Primary Mirror
telescope mirror segment
2015/5/12
This paper presents refinements to the design of the TMT primary mirror segment passive-support system that are
effective in reducing gravity print-through and thermal distortion effects. First, a no...