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Field stabilization and adaptive optics mirrors for the european extremely large telescope

Proceedings of SPIE - The International Society for Optical Engineering, ISSN: 0277-786X, Vol: 7015
2008
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Metrics Details

  • Citations
    15
    • Citation Indexes
      15
  • Captures
    15

Conference Paper Description

A 42 meters telescope does require adaptive optics to provide few milli arcseconds resolution images. In the current design of the E-ELT, M4 provides adaptive correction while M5 is the field stabilization mirror. Both mirrors have an essential role in the E-ELT telescope strategy since they do not only correct for atmospheric turbulence but have also to cancel part of telescope wind shaking and static aberrations. Both mirrors specifications have been defined to avoid requesting over constrained requirements in term of stroke, speed and guide stars magnitude. Technical specifications and technological issues are discussed in this article. Critical aspects and roadmap to assess the feasibility of such mirrors are outlined.

Bibliographic Details

Elise Vernet; Norbert Hubin; Claire E. Max; Lieselotte Jochum; Paolo La Penna; Peter L. Wizinowich; Riccardo Muradore; Joan Manel Casalta; Ivar Kjelberg; Jean-Christophe Sinquin; Frédéric Locre; Pierre Morin; Raphaël Cousty; Jean-Marie Lurçon; Jean-Jacques Roland; Bruno Crepy; Eric Gabriel; Roberto Biasi; Mario Andrighettoni; Gerald Angerer; Daniele Gallieni; Marco Mantegazza; Matteo Tintori; Emilio Molinari; Daniela Tresoldi; Giorgio Toso; Paolo Spanó; Marco Riva; Giuseppe Crimi; Armando Riccardi; Gilles Marque; Jean-Louis Carel; Eric Ruch

SPIE-Intl Soc Optical Eng

Materials Science; Physics and Astronomy; Computer Science; Mathematics; Engineering

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