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Proceedings Article

A conceptual design for the Thirty Meter Telescope alignment and phasing system

[+] Author Affiliations
Mitchell Troy, Randy Bartos, Graham Bothwell, Amir Give'on, Randy Hein, Jenny Roberts, Lawrence M. Scherr, Byoung-Joon Seo

Jet Propulsion Lab. (United States)

Gary Chanan, Scott Michaels, Max Radin, David Zimmerman

Univ. of California, Irvine (United States)

J. Michael Rodgers

Optical Research Associates (United States)

Proc. SPIE 7012, Ground-based and Airborne Telescopes II, 70120Y (August 27, 2008); doi:10.1117/12.788560
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From Conference Volume 7012

  • Ground-based and Airborne Telescopes II
  • Larry M. Stepp; Roberto Gilmozzi
  • Marseille, France | June 23, 2008

abstract

The primary, secondary and tertiary mirrors of the Thirty Meter Telescope (TMT), taken together, have approximately 12,000 degrees of freedom in optical alignment. The Alignment and Phasing System (APS) will use starlight and a variety of Shack-Hartmann based measurement techniques to position the segment pistons, tips, and tilts, segment figures, secondary rigid body motion, secondary figure and the tertiary figure to correctly align the TMT. We present a conceptual design of the APS including the requirements, alignment modes, predicted performance, software architecture, and an optical design.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Mitchell Troy ; Gary Chanan ; Scott Michaels ; Randy Bartos ; Graham Bothwell, et al.
"A conceptual design for the Thirty Meter Telescope alignment and phasing system", Proc. SPIE 7012, Ground-based and Airborne Telescopes II, 70120Y (August 27, 2008); doi:10.1117/12.788560; http://dx.doi.org/10.1117/12.788560


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