Unveiling the power of multi-object adaptive optics for multiplexing and integral field spectroscopy with TMT: free parameters, performance, and science overview

Uriel Conod; Joseph Ke; Kate Jackson; Scott Chapman

doi:10.1117/12.3020701

28 August 2024 Unveiling the power of multi-object adaptive optics for multiplexing and integral field spectroscopy with TMT: free parameters, performance, and science overview

Uriel Conod, Joseph Ke, Kate Jackson, Scott Chapman

Author Affiliations +

Proceedings Volume 13097, Adaptive Optics Systems IX; 130976P (2024) https://doi.org/10.1117/12.3020701
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

Multi-Object Adaptive Optics (MOAO) proves to be an innovative technique, presenting distinct advantages for both multiplexing and adaptive optics (AO)-assisted integral field spectroscopy. This work presents an examination of MOAO performance designed for the Thirty Meter Telescope (TMT). Inspired by the design principles of GNAO-GIRMOS for the Gemini North Telescope, we propose a two-stage AO system. Leveraging the experience from GIRMOS, our approach incorporates NFIRAOS as the initial stage carrying out the Ground Layer Adaptive Optics (GLAO) correction. Subsequently, we introduce a MOAO module to achieve an additional correction at specific positions within a two arcminutes field of view, using the wavefront sensor telemetry provided by NFIRAOS. Through extensive numerical simulations, we explore the MOAO system order parameters, leading us to converge on a baseline design. This study provides insights into the performance metrics extracted from our simulations and concludes with a promising outlook for the transformative impact of a two-stage AO system on TMT observations and scientific productivity.

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Uriel Conod, Joseph Ke, Kate Jackson, and Scott Chapman "Unveiling the power of multi-object adaptive optics for multiplexing and integral field spectroscopy with TMT: free parameters, performance, and science overview", Proc. SPIE 13097, Adaptive Optics Systems IX, 130976P (28 August 2024); https://doi.org/10.1117/12.3020701

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