High fidelity optical modeling for the TMT

Carl Nissly; Byoung-Joon Seo; Mitchell Troy; George Angeli; Myung Cho; Brent Ellerbroek; Piotr Piatrou; Lewis C. Roberts Jr.; J. Chris Shelton; Lianqi Wang

doi:10.1117/12.918708

10 November 2011 High fidelity optical modeling for the TMT

Carl Nissly, Byoung-Joon Seo, Mitchell Troy, George Angeli, Myung Cho, Brent Ellerbroek, Piotr Piatrou, Lewis C. Roberts Jr., J. Chris Shelton, Lianqi Wang

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Proceedings Volume 8336, Integrated Modeling of Complex Optomechanical Systems; 83360B (2011) https://doi.org/10.1117/12.918708
Event: Integrated Modeling of Complex Optomechanical Systems, 2011, Kiruna, Sweden

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.

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Carl Nissly, Byoung-Joon Seo, Mitchell Troy, George Angeli, Myung Cho, Brent Ellerbroek, Piotr Piatrou, Lewis C. Roberts Jr., J. Chris Shelton, and Lianqi Wang "High fidelity optical modeling for the TMT", Proc. SPIE 8336, Integrated Modeling of Complex Optomechanical Systems, 83360B (10 November 2011); https://doi.org/10.1117/12.918708

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KEYWORDS

Device simulation

Telescopes

Wavefronts

Adaptive optics

Mirrors

MATLAB

Error analysis

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