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A practical guide to Digital Micro-mirror Devices (DMDs) for wavefront shaping
Sébastien M. Popoff, Louis Malosse, Rodrigo Gutiérrez-Cuevas +5
Digital micromirror devices have gained popularity in wavefront shaping, offering a high frame rate alternative to liquid crystal spatial light modulators. They are relatively inex…
SAXO+ upgrade : second stage AO system end-to-end numerical simulations
Charles Goulas, Fabrice Vidal, Raphaël Galicher +14
SAXO+ is a proposed upgrade to SAXO, the AO system of the SPHERE instrument on the ESO Very Large Telescope. It will improve the capabilities of the instrument for the detection an…
The first scattered light images of HD 112810, a faint debris disk in the Sco-Cen association
Elisabeth C. Matthews, Mickaël Bonnefoy, Chen Xie +17
Context: Circumstellar debris disks provide insight into the formation and early evolution of planetary systems. Resolved belts in particular help to locate planetesimals in exosys…
Improving VLT/SPHERE without additional hardware: Comparing quasi-static correction strategies
Axel Potier, Zahed Wahhaj, Raphael Galicher +4
Direct imaging is the primary technique currently used to detect young and warm exoplanets and understand their formation scenarios. The extreme flux ratio between an exoplanet and…
The beta Pictoris system: Setting constraints on the planet and the disk structures at mid-IR wavelengths with NEAR
Nour Skaf, Anthony Boccaletti, Eric Pantin +26
[abridged] We analyzed mid-infrared high-contrast coronagraphic images of the beta Pictoris system, taking advantage of the NEAR experiment using the VLT/VISIR instrument. The goal…