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4 August 2016 Status of the GTC adaptive optics: integration in laboratory
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Abstract
Since the beginning of the development of the Gran Telescopio Canarias (GTC), an Adaptive Optics (AO) system was considered necessary to exploit the full diffraction-limited potential of the telescope. The GTC AO system designed during the last years is based on a single deformable mirror conjugated to the telescope pupil, and a Shack-Hartmann wavefront sensor with 20 x 20 subapertures, using an OCAM2 camera. The GTCAO system will provide a corrected beam with a Strehl Ratio (SR) of 0.65 in K-band with bright natural guide stars.

Most of the subsystems have been manufactured and delivered. The upgrade for the operation with a Laser Guide Star (LGS) system has been recently approved. The present status of the GTCAO system, currently in its laboratory integration phase, is summarized in this paper.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. Reyes García-Talavera, V. J. S. Béjar, J. C. López, R. L. López, C. Martín, Y. Martín, I. Montilla, M. Núñez, M. Puga, L. F. Rodríguez, F. Tenegi, O. Tubío, D. Bello, L. Cavaller, G. Prieto, and M. Rosado "Status of the GTC adaptive optics: integration in laboratory", Proc. SPIE 9909, Adaptive Optics Systems V, 99091C (4 August 2016); https://doi.org/10.1117/12.2232881
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