Compensation of the atmospheric turbulence thanks to adaptive optics (AO) has now become commonly used for VLT or ELT class telescopes in order to retrieve a resolution close to their diffraction limit. Following the increasing trend of AO system, there is also a stronger necessity for simulations in order to understan...
R. Fétick, V. Chambouleyron, L. Mazzolo et al.· 1 citation
Future high-contrast instruments aim to directly image and characterise Earth-like exoplanets. Achieving the required contrast requires exquisite image quality, and in particular a high-performance correction of the optical aberrations. Hence, future instruments will use adaptive optics (AO) systems operating at increa...
M. Motte, V. Chambouleyron, R. Fétick et al.· Astronomy & Astrophysics· 0 citations
We developed a near-IR, échelle-like, fiber-fed spectrograph demonstrator using a VIPA instead of an échelle grating, achieving a high spectral resolution (R=80,000) over a 220 nm range with 38% efficiency (from fiber exit to H2RG detector). Designed to characterize exoplanets at high spectral resolution with an XAO in...
A. Carlotti, S. Martos, D. Mouillet et al.· Astronomical Telescopes + In...· 0 citations
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