HEART: REVOLT RTC using Herzberg Extensible Adaptive Real-time Toolkit (HEART)

Darryl Gamroth; Edward Chapin; Jennifer Dunn; Lianne Mueller; Malcolm Smith; Tarun Kumar; Olivier Lardiere; Kate Jackson; Jean-Pierre Veran

doi:10.1117/12.2630206

29 August 2022 HEART: REVOLT RTC using Herzberg Extensible Adaptive Real-time Toolkit (HEART)

Darryl Gamroth, Edward Chapin, Jennifer Dunn, Lianne Mueller, Malcolm Smith, Tarun Kumar, Olivier Lardiere, Kate Jackson, Jean-Pierre Veran

Author Affiliations +

Proceedings Volume 12185, Adaptive Optics Systems VIII; 121856I (2022) https://doi.org/10.1117/12.2630206
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

REVOLT is an experimental testbed that will be used to test novel AO components and AO techniques on sky at the 1.2m telescope of the Dominion Astrophysical Observatory. In its initial configuration that will be tested on-sky in spring 2022, REVOLT will have one deformable mirror, an ALPAO DM 277 and a Shack-Hartmann WFS based on a newly developed 512x512 pixel Near-Infrared Avalanche Photodiode array (Saphira). This testbed will be controlled at frame rates of up to 1 kHz by a Real-Time Controller (RTC) based on HEART1. HEART has gone through extensive testing and benchmarking, but this is the first time it will be tested on-sky. This paper will discuss customization of HEART required by REVOLT for the specified hardware, the issues found and lessons learned, the performance achieved during operations and the upgrades performed on HEART as a result.

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Darryl Gamroth, Edward Chapin, Jennifer Dunn, Lianne Mueller, Malcolm Smith, Tarun Kumar, Olivier Lardiere, Kate Jackson, and Jean-Pierre Veran "HEART: REVOLT RTC using Herzberg Extensible Adaptive Real-time Toolkit (HEART)", Proc. SPIE 12185, Adaptive Optics Systems VIII, 121856I (29 August 2022); https://doi.org/10.1117/12.2630206

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