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11 July 2018 Servo control simulations and preliminary laboratory results for GTC adaptive optics with NGS
Miguel Núñez Cagigal, Jose Marco de la Rosa, Alastair Basden, Iciar Montilla, O. Tubio Araujo, Marcos Reyes García-Talavera, L. F. Rodríguez Ramos, Roberto López López, Marta Puga Antolín, Jesús Patrón Recio, Josefina Rosich Minguell, Victor J. S. Béjar, Roberto Luís Simoes
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Proceedings Volume 10703, Adaptive Optics Systems VI; 107033F (2018) https://doi.org/10.1117/12.2312513
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States
Abstract
The Gran Telescopio Canarias Adaptive Optics (GTCAO) is a single-conjugated post-focal system with a Shack Hartmann wavefront sensor, and one Deformable Mirror (DM) conjugated to the pupil. The optical design for tip-tilt correction includes two different mirrors, DM and the telescope M2, being M2 also used for off-loading the DM to avoid reaching its stroke limits. This optical configuration is open to different control strategies that have been simulated with Matlab. Later it has also been simulated using Durham Adaptive optics Real-time Controller (DARC) and its AO simulator, DASP. Finally some preliminary laboratory results are presented.
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Miguel Núñez Cagigal, Jose Marco de la Rosa, Alastair Basden, Iciar Montilla, O. Tubio Araujo, Marcos Reyes García-Talavera, L. F. Rodríguez Ramos, Roberto López López, Marta Puga Antolín, Jesús Patrón Recio, Josefina Rosich Minguell, Victor J. S. Béjar, and Roberto Luís Simoes "Servo control simulations and preliminary laboratory results for GTC adaptive optics with NGS", Proc. SPIE 10703, Adaptive Optics Systems VI, 107033F (11 July 2018); https://doi.org/10.1117/12.2312513
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KEYWORDS
Device simulation
Adaptive optics
Telescopes
Servomechanisms
Control systems
Actuators
Cameras
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