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Proceedings Paper

High fidelity optical modeling for the TMT
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Paper Abstract

The Thirty Meter Telescope (TMT) is a Ritchey-Chritien optical telescope with a 30-meter diameter primary mirror made up of 492 hexagonal segments. Such a large and complex optical system requires detailed modeling of the optical performance during the design phase. An optical modeling computational framework has been developed to support activities related to wavefront & image performance prediction. The model includes effects related to mirror shape sensing & control, mirror alignment & phasing, M1 segment control, low order wavefront correction, adaptive optics simulation for high order wavefront correction, and high contrast imaging. Here we give an overview of this optical simulation framework, the modeling tools and algorithms that are used, and a set of sample analyses. These tools have been used in many aspects of the system design process from mirror specification to instrument & sensor design to algorithm development and beyond.

Paper Details

Date Published: 10 November 2011
PDF: 11 pages
Proc. SPIE 8336, Integrated Modeling of Complex Optomechanical Systems, 83360B (10 November 2011); doi: 10.1117/12.918708
Show Author Affiliations
Carl Nissly, Jet Propulsion Lab. (United States)
California Institute of Technology (United States)
Byoung-Joon Seo, Jet Propulsion Lab. (United States)
California Institute of Technology (United States)
Mitchell Troy, Jet Propulsion Lab. (United States)
George Angeli, Thirty Meter Telescope (United States)
Myung Cho, National Optical Astronomy Observatory (United States)
Brent Ellerbroek, Thirty Meter Telescope (United States)
Piotr Piatrou, Univ. of California, Irvine (United States)
Lewis C. Roberts, Jet Propulsion Lab. (United States)
California Institute of Technology (United States)
J. Chris Shelton, Jet Propulsion Lab. (United States)
California Institute of Technology (United States)
Lianqi Wang, Thirty Meter Telescope (United States)


Published in SPIE Proceedings Vol. 8336:
Integrated Modeling of Complex Optomechanical Systems
Torben Andersen; Anita Enmark, Editor(s)

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