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


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