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Integrated optics interferometric four telescopes nuller
Ronny Errmann, Stefano Minardi, Lucas Labadie +3
Nulling interferometry has been identified as a competitive technique for the detection of extrasolar planets. The technique consists in combining out-of-phase pairs of telescopes…
A broadband scalar optical vortex coronagraph
Ronny Errmann, Stefano Minardi, Thomas Pertsch
In recent years, new coronagraphic schemes have been proposed, the most promising being the optical vortex phase mask coronagraphs. In our work, a new scheme of broadband optical s…
3D-integrated beam combiner for optical spectro-interferometry
Stefano Minardi, Allar Saviauk, Felix Dreisow +2
We present a compact setup based on a three-dimensional integrated optical component, allowing the mea- surement of spectrally resolved complex-visibilities for three channels of p…