26 June 2006 The concept design of the Cornell Caltech Atacama Telescope mount
Author Affiliations +
Proceedings Volume 6267, Ground-based and Airborne Telescopes; 62672P (2006); doi: 10.1117/12.672144
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States
The Cornell Caltech Atacama Telescope (CCAT) is a 25m far infrared telescope in the conceptual design phase. Its primary mirror is composed of a set of panels supported by a space truss. The primary and secondary mirror arrangement resembles the reflector and quadrapod arrangement seen in many radio telescopes, but with shallower primary mirror geometry. In addition, the optical layout calls for a close spacing between the tertiary mirror and the Nasmyth and bent Cassegrain instruments. The mount design is driven by the spacing of the optical elements, the presence of the Nasmyth and bent Cassegrain ports, and the size of the primary mirror truss. This paper examines the mechanical and control system design solutions provided in response to the challenges posed by the optical requirements. These solutions include tradeoffs in structure, drive, and control system design.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
David T. Finley, Edward O. Reese, Kerstan G. Hermann, Al Gienger, Thomas A. Sebring, "The concept design of the Cornell Caltech Atacama Telescope mount", Proc. SPIE 6267, Ground-based and Airborne Telescopes, 62672P (26 June 2006); doi: 10.1117/12.672144; https://doi.org/10.1117/12.672144



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