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Proceedings Paper

Super hardpoints for the Large Binocular Telescope
Author(s): Robert L. Meeks; David Ashby; Chris Biddick; Joe Devries; Mike Gusick; Jonathan Kern
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Paper Abstract

We describe the design and performance of an improved hardpoint for the primary mirror cell of the Large Binocular Telescope. Six hardpoints define the position and orientation of the primary mirror and are key elements of the active optics system. After several years of operation, various undesirable characteristics of the original hardpoints were identified. A new deign was developed that provides higher stiffness, greater repeatability, and better overall performance. We describe the design features and present preliminary performance data from lab testing and initial operation in the telescope.

Paper Details

Date Published: 6 August 2010
PDF: 13 pages
Proc. SPIE 7733, Ground-based and Airborne Telescopes III, 77335H (6 August 2010); doi: 10.1117/12.857264
Show Author Affiliations
Robert L. Meeks, Large Binocular Telescope Observatory, The Univ. of Arizona (United States)
David Ashby, Large Binocular Telescope Observatory, The Univ. of Arizona (United States)
Chris Biddick, Large Binocular Telescope Observatory, The Univ. of Arizona (United States)
Joe Devries, National Optical Astronomy Observatory (United States)
Mike Gusick, Large Binocular Telescope Observatory, The Univ. of Arizona (United States)
Jonathan Kern, Giant Magellan Telescope Organization (United States)


Published in SPIE Proceedings Vol. 7733:
Ground-based and Airborne Telescopes III
Larry M. Stepp; Roberto Gilmozzi; Helen J. Hall, Editor(s)

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