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Overview of the European Extremely Large Telescope and its instrument suite
B. Neichel, D. Mouillet, E. Gendron +3
The European Extremely Large Telescope will see first lights by the end of 2024. With a diameter of almost 40 meters, it will be the biggest optical telescope ever built from the g…
Turbulent and AO corrected Point-Spread-Function as convolutive orders of the phase Power-Spectral-Density
R. JL. Fétick, B. Neichel, L. M. Mugnier +2
Ground-based astronomy is severely limited by the atmospheric turbulence, resulting in a large Point-Spread-Function (PSF) and poor imaging resolution. Even imaging with Adaptive O…
A new calibration strategy for adaptive telescopes with pyramid WFS
C. T. Heritier, S. Esposito, T. Fusco +7
Several telescopes include large Deformable Mirrors (DM) located directly inside the telescope. These adaptive telescopes trigger new constraints for the calibration of the Adaptiv…
Focal plane profiling based on single conjugate adaptive optics compensated images
O. Beltramo-Martin, C. M. Correia, B. Neichel +1
Knowledge of the atmospheric turbulence in the telescope line-of-sight is crucial for wide-field observations assisted by adaptive optics (AO), for which the Point Spread Function…
Opto-mechanical designs for the HARMONI Adaptive Optics systems
Kjetil Dohlen, Timothy Morris, Javier Piqueras Lopez +14
HARMONI is a visible and near-infrared integral field spectrograph equipped with two complementary adaptive optics systems, fully integrated within the instrument. A Single Conjuga…
Fast Iterative Tomographic Wave-front Estimation with Recursive Toeplitz Reconstructor Structure for Large Scale Systems
Yoshito H. Ono, Carlos Correia, Rodolphe Conan +3
Tomographic wave-front reconstruction is the main computational bottleneck to realize real-time correction for turbulence-induced wave-front aberrations in future laser-assisted to…