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Paper 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.

Paper Details

Date Published: 27 July 2016
PDF: 10 pages
Proc. SPIE 9909, Adaptive Optics Systems V, 990973 (27 July 2016); doi: 10.1117/12.2233444
Show Author Affiliations
Brunella Carlomagno, Univ. de Liège (Belgium)
Olivier Absil, Univ. de Liège (Belgium)
Matthew Kenworthy, Leiden Univ. (Netherlands)
Garreth Ruane, California Institute of Technology (United States)
Christoph U. Keller, Leiden Univ. (Netherlands)
Gilles Otten, Leiden Univ. (Netherlands)
Markus Feldt, Max-Planck-Institut für Astronomie (Germany)
Stefan Hippler, Max-Planck-Institut für Astronomie (Germany)
Elsa Huby, Univ. de Liège (Belgium)
Dimitri Mawet, California Institute of Technology (United States)
Christian Delacroix, Cornell Univ. (United States)
Jean Surdej, Univ. de Liège (Belgium)
Serge Habraken, Univ. de Liège (Belgium)
Pontus Forsberg, Uppsala Univ. (Sweden)
Mikael Karlsson, Uppsala Univ. (Sweden)
Ernesto Vargas Catalan, Uppsala Univ. (Sweden)
Bernhard R. Brandl, Leiden Univ. (Netherlands)

Published in SPIE Proceedings Vol. 9909:
Adaptive Optics Systems V
Enrico Marchetti; Laird M. Close; Jean-Pierre Véran, Editor(s)

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