AO4ELT5 Proceedings
The TP3-WFS: a new guy in town
Colodro-Conde, Carlos (Instituto de Astrofísica de Canarias), Velasco, Sergio (Instituto de Astrofísica de Canarias), López, Roberto (Instituto de Astrofísica de Canarias), Oscoz, Alejandro (Instituto de Astrofísica de Canarias), Martín-Hernando, Yolanda (Instituto de Astrofísica de Canarias), Rebolo, Rafael (Instituto de Astrofísica de Canarias), Pérez-Garrido, Antonio (Universidad Politécnica de Cartagena), Ferrández-Valdivia, Juan José (Universidad de La Laguna), Labadie, Lucas (Universität zu Köln), Mackay, Craig (University of Cambridge), Puga, Marta (Instituto de Astrofísica de Canarias), Rodríguez-Coira, Gustavo (Observatoire de Paris), Rodríguez-Ramos, Luis Fernando (Instituto de Astrofísica de Canarias), Rodríguez-Ramos, José Manuel (Universidad de La Laguna)
The TP3-WFS (Two Pupil Plane Positions Wavefront Sensor) is, to the best of the authors' knowledge, the first physical implementation of the geometrical wavefront reconstruction algorithm that has been tested in a telescope as part of an actual AO-enabled instrument. The main advantage of this algorithm is that it theoretically provides a fairly good reconstruction accuracy even under very low levels of light, in the order of a few hundreds of photons. This paper presents the first control-related results obtained at the William Herschel Telescope (WHT). Such results demonstrate the feasibility of this novel WFS as part of a real-time AO control loop.
DOI: 10.26698/AO4ELT5.0167- Proceeding PDF
