Multi-core fibre-fed integral-field unit (MCIFU): overview and first-light
The Multi-Core Integral-Field Unit (MCIFU) is a new diffraction-limited near-infrared integral-
field unit for exoplanet atmosphere characterization with extreme adaptive optics (xAO) …
field unit for exoplanet atmosphere characterization with extreme adaptive optics (xAO) …
Adaptive optics control using model-based reinforcement learning
Reinforcement learning (RL) presents a new approach for controlling adaptive optics (AO)
systems for Astronomy. It promises to effectively cope with some aspects often hampering …
systems for Astronomy. It promises to effectively cope with some aspects often hampering …
Imaging exoplanets with coronagraphic instruments
R Galicher, J Mazoyer - Comptes …, 2023 - comptes-rendus.academie-sciences …
L'exoplanétologie est un domaine très actif de l'astronomie moderne avec des questions
encore ouvertes: comment les systèmes planétaires se forment-ils et évoluent-ils; pourquoi …
encore ouvertes: comment les systèmes planétaires se forment-ils et évoluent-ils; pourquoi …
Constraining the properties of the potential embedded planets in the disk around HD 100546
Context. The protoplanetary disk around the star HD 100546 displays prominent
substructures in the form of two concentric rings. Recent observations with the Atacama …
substructures in the form of two concentric rings. Recent observations with the Atacama …
Cascade adaptive optics: contrast performance analysis of a two-stage controller by numerical simulations
N Cerpa-Urra, M Kasper, C Kulcsár… - Journal of …, 2022 - spiedigitallibrary.org
The contrast performance of current extreme adaptive optics (XAO) systems can be
improved by adding a second AO correction stage featuring its own wavefront sensor (WFS) …
improved by adding a second AO correction stage featuring its own wavefront sensor (WFS) …
Diffraction-limited integral-field spectroscopy for extreme adaptive optics systems with the multicore fiber-fed integral-field unit
Direct imaging instruments have the spatial resolution to resolve exoplanets from their host
star. This enables direct characterization of the exoplanets atmosphere, but most direct …
star. This enables direct characterization of the exoplanets atmosphere, but most direct …
[PDF][PDF] Optique adaptative: correction des effets de la turbulence atmosphérique sur les images astronomiques
G Rousset, T Fusco - Comptes …, 2022 - comptes-rendus.academie-sciences …
L'optique adaptative (OA), installée aujourd'hui sur tous les très grands télescopes
astronomiques, permet de s' affranchir de la limitation en résolution angulaire imposée aux …
astronomiques, permet de s' affranchir de la limitation en résolution angulaire imposée aux …
Advances in model-based reinforcement learning for adaptive optics control
J Nousiainen, B Engler, M Kasper… - … Optics Systems VIII, 2022 - spiedigitallibrary.org
Direct imaging of Earth-like exoplanets is one of the significant scientific drivers of the next
generation of ground-based telescopes. Typically, Earth-like exoplanets are located at tiny …
generation of ground-based telescopes. Typically, Earth-like exoplanets are located at tiny …
Visible extreme adaptive optics for GMagAO-X with the triple-stage AO architecture (TSAO)
The Extremely Large Telescopes will require hundreds of actuators across the pupil for high
Strehl in the visible. We envision a triple-stage AO (TSAO) system for GMT/GMagAO-X to …
Strehl in the visible. We envision a triple-stage AO (TSAO) system for GMT/GMagAO-X to …
Laboratory experiments of model-based reinforcement learning for adaptive optics control
J Nousiainen, B Engler, M Kasper… - Journal of …, 2024 - spiedigitallibrary.org
Direct imaging of Earth-like exoplanets is one of the most prominent scientific drivers of the
next generation of ground-based telescopes. Typically, Earth-like exoplanets are located at …
next generation of ground-based telescopes. Typically, Earth-like exoplanets are located at …