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26 September 2013 Aqueye+: a wavefront sensorless adaptive optics system for narrow field coronagraphy
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Abstract
We have designed Aqueye+, an instrument for the Copernicus 182 cm Asiago Telescope, with two channels, one devoted to ultrafast photometry based on four single photon avalanche photodiodes, the second dedicated to stellar coronagraphy based on innovative optical vortex coronagraph system. The OVC requires a very good image quality, therefore an adaptive optic system AO was designed for the instrument. The peculiarity of this AO system is that there is no wavefront sensors, but the feedback for the deformable mirror is instead given by the photometric channel of Aqueye+.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Enrico Verroi, Giampiero Naletto, Cesare Barbieri, Mirco Zaccariotto, Tommaso Occhipinti, Ivan Capraro, Luca Zampieri, Andrea Cardullo, Fabio Frassetto, Luca Brugiolo, Filippo Romanato, Francesco Ricci, and Michele Gintoli "Aqueye+: a wavefront sensorless adaptive optics system for narrow field coronagraphy", Proc. SPIE 8864, Techniques and Instrumentation for Detection of Exoplanets VI, 88641W (26 September 2013); https://doi.org/10.1117/12.2023907
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