High-resolution optical modeling of the Thirty Meter Telescope for systematic performance trades

Carl Nissly; Byoung-Joon Seo; Mitchell Troy; George Angeli; John Angione; Ian Crossfield; Brent Ellerbroek; Luc Gilles; Norbert Sigrist

doi:10.1117/12.788596

9 July 2008 High-resolution optical modeling of the Thirty Meter Telescope for systematic performance trades

Carl Nissly, Byoung-Joon Seo, Mitchell Troy, George Angeli, John Angione, Ian Crossfield, Brent Ellerbroek, Luc Gilles, Norbert Sigrist

Author Affiliations +

Proceedings Volume 7017, Modeling, Systems Engineering, and Project Management for Astronomy III; 70170U (2008) https://doi.org/10.1117/12.788596
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

We consider high-resolution optical modeling of the Thirty Meter Telescope for the purpose of error budget and instrumentation trades utilizing the Modeling and Analysis for Controlled Optical Systems tool. Using this ray-trace and diffraction model we have simulated the TMT optical errors related to multiple effects including segment alignment and phasing, segment surface figures, temperature, and gravity. We have then modeled the effects of each TMT optical error in terms of the Point Source Sensitivity (a multiplicative image plane metric) for a seeing limited case and an adaptive optics corrected case (for the NFIRAOS). This modeling provides the information necessary to rapidly conduct design trades with respect to the planned telescope instrumentation and to optimize the telescope error budget.

Citation Download Citation

Carl Nissly, Byoung-Joon Seo, Mitchell Troy, George Angeli, John Angione, Ian Crossfield, Brent Ellerbroek, Luc Gilles, and Norbert Sigrist "High-resolution optical modeling of the Thirty Meter Telescope for systematic performance trades", Proc. SPIE 7017, Modeling, Systems Engineering, and Project Management for Astronomy III, 70170U (9 July 2008); https://doi.org/10.1117/12.788596

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