End-to-end simulations of the E-ELT/METIS coronagraphs

Brunella Carlomagno; Olivier Absil; Matthew Kenworthy; Garreth Ruane; Christoph U. Keller; Gilles Otten; Markus Feldt; Stefan Hippler; Elsa Huby; Dimitri Mawet; Christian Delacroix; Jean Surdej; Serge Habraken; Pontus Forsberg; Mikael Karlsson; Ernesto Vargas Catalan; Bernhard R. Brandl

doi:10.1117/12.2233444

27 July 2016 End-to-end simulations of the E-ELT/METIS coronagraphs

Brunella Carlomagno, Olivier Absil, Matthew Kenworthy, Garreth Ruane, Christoph U. Keller, Gilles Otten, Markus Feldt, Stefan Hippler, Elsa Huby, Dimitri Mawet, Christian Delacroix, Jean Surdej, Serge Habraken, Pontus Forsberg, Mikael Karlsson, Ernesto Vargas Catalan, Bernhard R. Brandl

Author Affiliations +

Proceedings Volume 9909, Adaptive Optics Systems V; 990973 (2016) https://doi.org/10.1117/12.2233444
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The direct detection of low-mass planets in the habitable zone of nearby stars is an important science case for future E-ELT instruments such as the mid-infrared imager and spectrograph METIS, which features vortex phase masks and apodizing phase plates (APP) in its baseline design. In this work, we present end-to-end performance simulations, using Fourier propagation, of several METIS coronagraphic modes, including focal-plane vortex phase masks and pupil-plane apodizing phase plates, for the centrally obscured, segmented E-ELT pupil. The atmosphere and the AO contributions are taken into account. Hybrid coronagraphs combining the advantages of vortex phase masks and APPs are considered to improve the METIS coronagraphic performance.

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Brunella Carlomagno, Olivier Absil, Matthew Kenworthy, Garreth Ruane, Christoph U. Keller, Gilles Otten, Markus Feldt, Stefan Hippler, Elsa Huby, Dimitri Mawet, Christian Delacroix, Jean Surdej, Serge Habraken, Pontus Forsberg, Mikael Karlsson, Ernesto Vargas Catalan, and Bernhard R. Brandl "End-to-end simulations of the E-ELT/METIS coronagraphs", Proc. SPIE 9909, Adaptive Optics Systems V, 990973 (27 July 2016); https://doi.org/10.1117/12.2233444

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