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On-sky demonstration of a vector Zernike wavefront sensor in a cascaded adaptive optics system
M. Motte, V. Chambouleyron, R. Fétick +13
To directly image and characterise Earth-like exoplanets, future high-contrast instruments will require adaptive-optics systems operating at increasingly high loop frequencies to r…
Pollux: high-resolution precision spectroscopy and polarimetry for the Habitable Worlds Observatory
David Le Mignant, Coralie Neiner, Jean-Claude Bouret +9
Pollux is a high-resolution spectrograph and spectropolarimeter (R from 65000 to 100000) covering a spectral range from 100 nm to 1750 nm, proposed by a European consortium to equi…
Pollux: decisions affecting the optical architecture of a high-resolution spectrograph and polarimeter for the Habitable Worlds Observatory
Eduard Muslimov, Luca Fossati, Coralie Neiner +5
POLLUX is a candidate European instrumental contribution to the Habitable Worlds Observatory. It is a high-resolution spectrograph with polarimetric capabilities, covering from the…
The Pollux European instrument concept for HWO: a high-resolution spectrograph and spectropolarimeter from the far-UV to the near-IR
Coralie Neiner, Jean-Claude Bouret, Luca Fossati +4
Pollux is a high-resolution spectrograph and spectropolarimeter working from 100 nm to 1.8 microns proposed for HWO by a European consortium. Pollux will allow us to study stellar…
Optical design options for Pollux: UV spectropolarimeter project for the Habitable Worlds Observatory
Eduard Muslimov, Coralie Neiner, Jean-Claude Bouret
Pollux is a project of UV spectropolarimeter proposed as a European contribution for the planned NASA-led Habitable Worlds Observatory. In the present study we consider design opti…
Design of a custom wideband camera for MISTRAL imager-spectrograph
Eduard Muslimov, Jerome Schmitt, Christophe Adami +2
MISTRAL is a visible and near infrared imager and spectrograph working with the telescope at L'Observatoire de Haute-Provence. The goal of the present project is to design…