Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6273e..43a&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
Hexapods can be an effective means of positioning optics of all sizes, including those within large ground-based telescopes. A hexapod is often a convenient geometry when multiple axes of positioning are required. The paper reviews several small and mid-sized hexapods built for different applications, and emphasizes experience with a three-meter- diameter unit built to position a large optical component. The discussion highlights design tradeoffs in precision, including repeatability, resolution and accuracy, range in multiple axes, and bandwidth of operation, and addresses test and verification of performance. The paper concludes with a discussion and presentation of hexapod concepts for secondary mirror positioning for Thirty Meter Telescope and Cornell Caltech Atacama Telescope.
Anderson Eric H.
Cash Michael F.
Janzen Paul C.
Pettit Gregory W.
Smith Christian A.
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