Monitoring of the atmospheric turbulence profiles for the ELTs adaptive optics systems specification

Aziz Ziad; Julien Borgnino; François Martin; Jérôme Maire; Dali-Ali Wassila; Amokrane Berdja; Jean-Baptiste Daban; Yan Fanteï-Caujolle; Marc Sarazin; Andreï Tokovinin

doi:10.1117/12.857259

6 August 2010 Monitoring of the atmospheric turbulence profiles for the specification of ELTs adaptive optics systems

Aziz Ziad, Julien Borgnino, François Martin, Jérôme Maire, Dali-Ali Wassila, Amokrane Berdja, Jean-Baptiste Daban, Yan Fanteï-Caujolle, Marc Sarazin, Andreï Tokovinin

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Proceedings Volume 7733, Ground-based and Airborne Telescopes III; 77334J (2010) https://doi.org/10.1117/12.857259
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The futures large telescopes will be certainly equipped with Multi-Conjugate Adaptive Optics systems. The optimization of the performances of these techniques requires a precise specification of the different components of these systems. Major of these technical specifications are related to the atmospheric turbulence particularly the structure constante of the refractive index C²_n(h) and the outer scale L₀(h). New techniques based on the moon limb observation for the monitoring of the C²_n(h) and L₀(h) profiles with high vertical resolution will be presented.

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Aziz Ziad, Julien Borgnino, François Martin, Jérôme Maire, Dali-Ali Wassila, Amokrane Berdja, Jean-Baptiste Daban, Yan Fanteï-Caujolle, Marc Sarazin, and Andreï Tokovinin "Monitoring of the atmospheric turbulence profiles for the specification of ELTs adaptive optics systems", Proc. SPIE 7733, Ground-based and Airborne Telescopes III, 77334J (6 August 2010); https://doi.org/10.1117/12.857259

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KEYWORDS

Telescopes

Adaptive optics

Atmospheric turbulence

Observatories

Wavefronts

Algorithms

Atmospheric optics

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