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11 July 2018 GTCAO real time AO closed loop software implementation and initial computer performance analysis
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Abstract
The Gran Telescopio Canarias Adaptive Optics (GTCAO) is a single-conjugated post-focal system with a Shack Hartmann wavefront sensor working at visible wavelength and one Deformable Mirror (DM) conjugated to the pupil. GTCAO does not include a fast tip-tilt mirror in its optical bench so it relies on the telescope secondary mirror (M2) to correct low frequency tip-tilt and offload the DM. This paper describes specific details of the software implementation of the mirror control for GTCAO, analyses its computational needs, presents the series of tests performed on the newly designed AO closed loop, and summarises software optimizations and operating system configurations set in order to optimise computer performance in the available hardware architecture
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Marco de la Rosa, M. Núñez Cagigal, A. Basden, O. Tubío, J. Rosich, L. F. Rodríguez-Ramos, I. Montilla, M. Puga Antolín, R. L. López, R. Simoes, J. Patrón, M. Reyes, and V. J. S. Béjar "GTCAO real time AO closed loop software implementation and initial computer performance analysis", Proc. SPIE 10703, Adaptive Optics Systems VI, 1070376 (11 July 2018); https://doi.org/10.1117/12.2312437
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