Adaptive Optics at the European Solar Telescope: status and future developments

Bruno Femenía-Castella; Miguel Núñez Cagigal; Mary Barreto Cabrera; Marta Belío-Asin; Jonai Bienes; Sergio Bonaque González; Manuel Collados; Juan Cózar-Castellano; Haresh Chulani; Noelia Feijoo Amoedo; José M. González Cava; Yolanda Martín Hernando; Angel Mato; Iciar Montilla; Luz M. Montoya; Cristina Padilla; Jorge Quintero Nehrkorn; Carlos Quintero Noda; Horacio Rodríguez Delgado; Jorge Sánchez-Capuchino; Mahy Soler Trujillo; Jacinto J. Vaz-Cedillo; Nauzet Vega Reyes

doi:10.1117/12.2629516

29 August 2022 Adaptive Optics at the European Solar Telescope: status and future developments

Bruno Femenía-Castella, Miguel Núñez Cagigal, Mary Barreto Cabrera, Marta Belío-Asin, Jonai Bienes, Sergio Bonaque González, Manuel Collados, Juan Cózar-Castellano, Haresh Chulani, Noelia Feijoo Amoedo, José M. González Cava, Yolanda Martín Hernando, Angel Mato, Iciar Montilla, Luz M. Montoya, Cristina Padilla, Jorge Quintero Nehrkorn, Carlos Quintero Noda, Horacio Rodríguez Delgado, Jorge Sánchez-Capuchino, Mahy Soler Trujillo, Jacinto J. Vaz-Cedillo, Nauzet Vega Reyes

Author Affiliations +

Proceedings Volume 12185, Adaptive Optics Systems VIII; 121851Z (2022) https://doi.org/10.1117/12.2629516
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The European Solar Telescope (EST) is a 4.2-m telescope which has been redesigned with a fully integrated Multi-Conjugate Adaptive Optics (MCAO) into the optical path right after the EST primary mirror. The current baseline configuration considers four altitude Deformable Mirrors (DM) conjugated to 5, 9, 12 and 20 km above the telescope entrance pupil and an Adaptive Secondary Mirror (ASM) conjugated to the entrance pupil. The wavefront sensing will be performed by a set of correlation-based Shack Hartmann wavefront sensors (WFS) combining an on-axis High-Order WFS (HOWFS) to be used either in Single Conjugate AO (SCAO) to drive the ASM as well as operating simultaneously with a Multi-Directional WFS (MDWFS) to drive the MCAO. Beyond the current baseline configuration, different alternatives are currently being investigated both in the wavefront sensing strategy by evolving from a HOWFS+MDWFS into possibly a single High Order Multi Directional WFS (HOMDWFS) and/or wavefront sensors operating at different observing bands.

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Bruno Femenía-Castella, Miguel Núñez Cagigal, Mary Barreto Cabrera, Marta Belío-Asin, Jonai Bienes, Sergio Bonaque González, Manuel Collados, Juan Cózar-Castellano, Haresh Chulani, Noelia Feijoo Amoedo, José M. González Cava, Yolanda Martín Hernando, Angel Mato, Iciar Montilla, Luz M. Montoya, Cristina Padilla, Jorge Quintero Nehrkorn, Carlos Quintero Noda, Horacio Rodríguez Delgado, Jorge Sánchez-Capuchino, Mahy Soler Trujillo, Jacinto J. Vaz-Cedillo, and Nauzet Vega Reyes "Adaptive Optics at the European Solar Telescope: status and future developments", Proc. SPIE 12185, Adaptive Optics Systems VIII, 121851Z (29 August 2022); https://doi.org/10.1117/12.2629516

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