Focal-plane-assisted pyramid wavefront sensor: Enabling frame-by-frame optical gain tracking

Aims. With its high sensitivity, the pyramid wavefront sensor (PyWFS) is becoming an advantageous sensor for astronomical adaptive optics (AO) systems. However, this sensor exhibits significant non-linear behaviours leading to challenging AO control issues. Methods. In order to mitigate these effect...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2021-05, Vol.649, p.A70
Hauptverfasser:	Chambouleyron, V., Fauvarque, O., Sauvage, J.-F., Neichel, B., Fusco, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptive optics Astrophysics Cosmology and Extra-Galactic Astrophysics Focal plane Instrumentation and Methods for Astrophysic Nonlinearity Physics Robustness (mathematics) Sciences of the Universe Sensors Solar and Stellar Astrophysics Wave front sensors Wave fronts
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