SAXO+, a second-stage adaptive optics for SPHERE on VLT: optical and mechanical design concept

Stadler, EricEricStadlerDIOLAITI, EmilianoEmilianoDIOLAITISCHREIBER, LAURALAURASCHREIBERCORTECCHIA, FaustoFaustoCORTECCHIALOMBINI, MatteoMatteoLOMBINILoupias, MagaliMagaliLoupiasMagnard, YvesYvesMagnardDE ROSA, Adriano GiuseppeAdriano GiuseppeDE ROSAMALAGUTI, GiuseppeGiuseppeMALAGUTIMaurel, DidierDidierMaurelMORGANTE, GIANLUCAGIANLUCAMORGANTERabou, PatrickPatrickRabouRochat, SylvainSylvainRochatSCHIAVONE, FilomenaFilomenaSCHIAVONETERENZI, LucaLucaTERENZIVidal, FabriceFabriceVidalCantalloube, FaustineFaustineCantalloubeGendron, EricEricGendronGRATTON, RaffaeleRaffaeleGRATTONMilli, JulienJulienMilliMouillet, DavidDavidMouilletChauvin, GaelGaelChauvinWildi, FrançoisFrançoisWildiBeuzit, Jean LucJean LucBeuzitBoccaletti, AnthonyAnthonyBoccaletti2025-03-112025-03-11202297815106535110277-786Xhttp://hdl.handle.net/20.500.12386/36669SPHERE+ is a proposed upgrade of the SPHERE instrument at VLT, which will boost the current performances of detection and characterization of exoplanets and disks, and will serve as a demonstrator for the future planet finder (PCS) of the European ELT. The performance gain will be delivered by a second-stage AO module (SAXO+), including a dedicated wavefront sensor and deformable mirror to remove the residual wavefront errors left by the primary AO loop. This paper is focused on the optical and mechanical implementation of SAXO+ and describes the baseline design concept, selected from trade-off analysis of different options.STAMPAenSAXO+, a second-stage adaptive optics for SPHERE on VLT: optical and mechanical design conceptConference paper10.1117/12.26299702-s2.0-85173231690https://www.spiedigitallibrary.org/conference-proceedings-of-spie/12185/2629970/SAXO-a-second-stage-adaptive-optics-for-SPHERE-on-VLT/10.1117/12.2629970.fullhttps://api.elsevier.com/content/abstract/scopus_id/85173231690FIS/05 - ASTRONOMIA E ASTROFISICAERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation::PE9_17 Instrumentation – telescopes, detectors and techniques