Aqueye+: a wavefront sensorless adaptive optics system for narrow field coronagraphy

Enrico Verroi; Giampiero Naletto; Cesare Barbieri; Mirco Zaccariotto; Tommaso Occhipinti; Ivan Capraro; Luca Zampieri; Andrea Cardullo; Fabio Frassetto; Luca Brugiolo; Filippo Romanato; Francesco Ricci; Michele Gintoli

doi:10.1117/12.2023907

26 September 2013 Aqueye+: a wavefront sensorless adaptive optics system for narrow field coronagraphy

Enrico Verroi, Giampiero Naletto, Cesare Barbieri, Mirco Zaccariotto, Tommaso Occhipinti, Ivan Capraro, Luca Zampieri, Andrea Cardullo, Fabio Frassetto, Luca Brugiolo, Filippo Romanato, Francesco Ricci, Michele Gintoli

Author Affiliations +

Proceedings Volume 8864, Techniques and Instrumentation for Detection of Exoplanets VI; 88641W (2013) https://doi.org/10.1117/12.2023907
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

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+.

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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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