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The segmented pupil experiment for exoplanet detection. 4. A versatile image-based wavefront sensor for active optics

Autor: Olivier Preis, J. Dejonghe, Carole Gouvret, J. M. Le Duigou, A. Marcotto, Patrice Martinez, Alain Spang, Guillaume Doyen, Mathilde Beaulieu

Publikováno v: Ground-based and Airborne Instrumentation for Astronomy VIII
Ground-based and Airborne Instrumentation for Astronomy VIII, Dec 2020, Online Only, United States. pp.297, ⟨10.1117/12.2562390⟩

SPEED – the segmented pupil experiment for exoplanet detection – currently in final integration phase, is designed to test strategies and technologies for high-contrast instrumentation with segmented telescopes by offering an ideal cocoon to prog

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28750ce61e23060263b641d4a4edaf59
https://doi.org/10.1117/12.2562390

Progress of the CHARA/SPICA project

Autor: Stephane Lagarde, J. Dejonghe, C. Pannetier, Denis Mourard, Karine Perraut, Laszlo Sturmann, C. Bailet, T. ten Brummelaar, Fabien Patru, John Monnier, Sylvestre Lacour, Laurent Jocou, Ph. Berio, Stefan Kraus, D. Lecron, Narsireddy Anugu, Judit Sturmann, Romain Petrov, D. R. Gies, S. Rousseau, Ph. Stee, J.-B. Le Bouquin, Frédéric Cassaing, Nicolas Nardetto, F. Allouche

Publikováno v: Optical and Infrared Interferometry and Imaging VII
Proceedings Volume 11446, Optical and Infrared Interferometry and Imaging VII
SPIE Astronomical Telescopes + Instrumentation 2020
SPIE Astronomical Telescopes + Instrumentation 2020, Dec 2020, Online Only, United States. pp.114460T, ⟨10.1117/12.2560625⟩

International audience; CHARA/SPICA (Stellar Parameters and Images with a Cophased Array) is currently being developed at Observatoire de la Cote d’Azur. It will be installed at the visible focus of the CHARA Array by the end of 2021. It has been d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae8336c8d3cc23dbb58c2bb2da6ba80a

Design, specification, and manufacturing of a PIAACMC for the SPEED testbed

Autor: Carole Gouvret, J. Dejonghe, Patrice Martinez, L. Abe, Olivier Preis, Olivier Guyon, Mathilde Beaulieu

Publikováno v: Ground-based and Airborne Instrumentation for Astronomy VII
Ground-based and Airborne Instrumentation for Astronomy VII, Jun 2018, Austin, United States. pp.148, ⟨10.1117/12.2313501⟩

The Phase-Induced Amplitude Apodization Complex Mask Coronagraph (PIAACMC) is a promising corona- graphic device for direct detection of exoplanets with complex segmented telescope apertures. This concept features the bright idea of generating a pupi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::336537bc17cee86b8344ab30d1a3140f
https://hal.archives-ouvertes.fr/hal-03472611

An end-to-end Fresnel propagation model for SPEED: PIAACMC implementation and performance

Autor: Carole Gouvret, Patrice Martinez, Olivier Guyon, J. Dejonghe, Oliver Preis, Lyu Abe, Mathilde Beaulieu

Publikováno v: Ground-based and Airborne Telescopes VII
Ground-based and Airborne Telescopes VII, Jun 2018, Austin, United States. pp.133, ⟨10.1117/12.2311668⟩

Future extremely large telescopes, equipped with high-contrast instruments targeting very small Inner Working Angle, will provide the requisite resolution for detecting exoplanets in the habitable zone around M-stars. However, the ELT segmented pupil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f874675d4c9a830a1cb4f3833eb13198
https://hal.archives-ouvertes.fr/hal-02308832