Adaptive optics telemetry tools for REVOLT: a deep dive into telemetry

Maaike A. M. van Kooten; Kate Jackson; Jennifer Dunn; Ed Chapin; Eric Steinbring; Jean-Pierre Veran; Olivier Lardiere; Dan Kerley; Tarun Kumar; David Andersen; Mojtaba Taheri

doi:10.1117/12.3019440

27 August 2024 Adaptive optics telemetry tools for REVOLT: a deep dive into telemetry

Maaike A. M. van Kooten, Kate Jackson, Jennifer Dunn, Ed Chapin, Eric Steinbring, Jean-Pierre Veran, Olivier Lardiere, Dan Kerley, Tarun Kumar, David Andersen, Mojtaba Taheri

Author Affiliations +

Proceedings Volume 13097, Adaptive Optics Systems IX; 130975T (2024) https://doi.org/10.1117/12.3019440
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

REVOLT (Research, Experiment and Validation of Adaptive Optics with a Legacy Telescope) is an adaptive optics (AO) system on the 1.2-m telescope at the Herzberg Astronomy and Astrophysics Research Centre which is intended to demonstrate various AO developments, technologies, and algorithms. This AO system is a platform to test the Herzberg Extensible Adaptive optics Real-time Toolkit (HEART) where new AO control features can be exercised on-sky ahead of deployment on a facility class instrument. In this paper, we present various analysis of the telemetry produced by HEART and its various wavefront-sensing arms that enable both open- and closed-loop operation including a closed-loop Shack-Hartmann wavefront sensor, a closed-loop pyramid wavefront sensor, and an open-loop Shack-Hartmann. Employing REVOLT’s single-conjugate AO configuration, we look at extracting the Fried parameter and other atmospheric parameters from the telemetry and compare the results to an in-situ Ring Image Next Generation Scintillation Sensor (RINGSS) atmospheric seeing monitor and optical turbulence profiler. Finally, we discuss the AO system’s rejection-transfer function and overall system’s performance.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Maaike A. M. van Kooten, Kate Jackson, Jennifer Dunn, Ed Chapin, Eric Steinbring, Jean-Pierre Veran, Olivier Lardiere, Dan Kerley, Tarun Kumar, David Andersen, and Mojtaba Taheri "Adaptive optics telemetry tools for REVOLT: a deep dive into telemetry", Proc. SPIE 13097, Adaptive Optics Systems IX, 130975T (27 August 2024); https://doi.org/10.1117/12.3019440

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