#adaptive optics
14 papers match
DM/WFS mis-registration tracking: Implementation and on-sky validation of SPRINT at LBT
Ben Buky, Cédric Taïssir Héritier, Fabio Rossi +7
The paper describes the implementation of the SPRINT method on the Large Binocular Telescope to track and correct mis‑registrations between the deformable mirror and wavefront sens…
HARMONI@ELT: instrument design, performance, and science capabilities
B. Neichel, J. Dunlop, S. Chittick +17
The paper describes the design, performance expectations, and scientific capabilities of HARMONI, the near‑infrared integral field spectrograph being built for the Extremely Large…
Towards an Extended VLTI: Turbulence Characterization for Kilometer-Scale Optical Links at Paranal
B. Neichel, T. Pichon, G. Bourdarot +10
The paper investigates the feasibility of extending the VLTI to kilometer-scale baselines by using free-space optical links with adaptive‑optics pre‑compensation, and proposes a de…
Impact of microlens shape on the performance of Laser Guide Star wavefront sensors for ELT-class telescopes
Paul Rouquette, Benoit Neichel, Cédric Taisir Heritierc +4
The paper quantifies how imperfections in microlens shapes degrade the centroid accuracy of laser guide star Shack‑Hartmann wavefront sensors on ELT‑class telescopes and evaluates…
Commissioning and on-sky performance verification of iLocater
Marshall C. Johnson, Marcelo Tala Pinto, Jonathan Crass +59
The paper describes the commissioning and first on‑sky performance of iLocater, a high‑resolution near‑infrared spectrograph on the Large Binocular Telescope, demonstrating its abi…
DD4AO control law for RISTRETTO: robustness, real-time performance, and on-sky validation with PAPYRUS
Isaac Dinis, Muskan Schinde, Nicolas Blind +11
The paper presents the DD4AO frequency‑domain, data‑driven adaptive optics controller, its implementation in the RISTRETTO instrument, and on‑sky validation with the PAPYRUS system…