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Related papers: WaveDriver: a Laser Guide Star AO System for HWO

200 papers

The ultraviolet (UV) astronomy is a very demanded branch of space astronomy. Many dozens of short-term UV-experiments in space, as well as long-term observatories, have brought a very important knowledge on the physics and chemistry of the…

Instrumentation and Methods for Astrophysics · Physics 2018-03-21 B. Shustov , A. I. G'omez de Castro , M. Sachkov , J. C. Vallejo , P. Marcos-Arenal , E. Kanev , I. Savanov , A. Shugarov , S. Sichevskii

Robo-AO is the first autonomous laser adaptive optics system and science instrument operating on sky. With minimal human oversight, the system robotically executes large scale surveys, monitors long-term astrophysical dynamics and…

The World Space Observatory-Ultraviolet (WSO-UV) will provide access to the UV range during the next decade. The instrumentation on board will allow to carry out high resolution imaging, high sensitivity imaging, high resolution (R~55000)…

As we enter the era of TESS and JWST, instrumentation that can carry out radial velocity measurements of exoplanet systems is in high demand. We will address this demand by upgrading the UC Lick Observatory's 2.4-meter Automated Planet…

Instrumentation and Methods for Astrophysics · Physics 2023-08-29 Rachel Bowens-Rubin , Arjo Bos , Philip Hinz , Bradford Holden , Matt Radovan

A large fraction of white dwarfs (WDs) may host planets in their habitable zones. These planets may provide our best chance to detect bio-markers on a transiting exoplanet, thanks to the diminished contrast ratio between the Earth-sized WD…

Astrophysics of Galaxies · Physics 2013-09-03 Mukremin Kilic , Eric Agol , Abraham Loeb , Dan Maoz , Jeffrey A. Munn , Alexandros Gianninas , Paul Canton , Sara D. Barber

Reaching the high angular resolution and contrast level desired for exoplanetary science requires us to equip large telescopes with extreme adaptive optics (XAO) systems to compensate for the effect of the atmospheric turbulence at a very…

Instrumentation and Methods for Astrophysics · Physics 2025-11-20 A. Striffling , C. -T. Héritier , R. J. -L Fétick , O. Fauvarque , J. -F Sauvage , A. Carlotti , B. Neichel T. Fusco

Laser guide stars created by Rayleigh scattering provide a reasonable means to monitor atmospheric wavefront distortions for real-time correction by adaptive optics systems. Because of the $\lambda^{-4}$ wavelength dependence of Rayleigh…

Astrophysics · Physics 2007-05-23 L. A. Thompson , S. W. Teare

MORFEO (Multi-conjugate adaptive Optics Relay For ELT Observation) is the future multi-conjugate adaptive optics system for the ESO ELT that will feed the instrument MICADO (Multi-AO Imaging Camera for Deep Observations). It will use the 6…

Instrumentation and Methods for Astrophysics · Physics 2024-06-24 Guido Agapito , Lorenzo Busoni , Cédric Plantet , Giulia Carlà , Marco Bonaglia , Paolo Ciliegi

The Adaptive Optics Lucky Imager (AOLI) is a new instrument under development to demonstrate near diffraction limited imaging in the visible on large ground-based telescopes. We present the adaptive optics system being designed for the…

The new class of large telescopes, as the future ELT, are designed to work with Laser Guide Star (LGS) tuned to a resonance of atmosphere sodium atoms. This wavefront sensing technique presents complex issues for an application to big…

Instrumentation and Methods for Astrophysics · Physics 2018-04-20 M. Patti , M. Lombini , L. Schreiber , G. Bregoli , C. Arcidiacono , G. Cosentino , E. Diolaiti , I. Foppiani

We present a method for attaining sub-arcsecond pointing stability during sub- orbital balloon flights, as designed for in the High Altitude Lensing Observatory (HALO) concept. The pointing method presented here has the potential to perform…

The Habitable Worlds Observatory (HWO) aims to image and characterize at least 25 ExoEarth candidates (EECs). Achieving this goal requires a detailed understanding of the observatory's design trade space, including the operational…

Instrumentation and Methods for Astrophysics · Physics 2026-04-27 Corey Spohn , Christopher C. Stark , Dmitry Savransky , Natasha Latouf

Adaptive Optics (AO) is a new and rapidly expanding field of instrumentation, yet astronomers, vision scientists, and general AO practitioners are largely unfamiliar with the root technologies crucial to AO systems. The AO Summer School…

Cameras are rapidly becoming the choice for on-board sensors towards space rendezvous due to their small form factor and inexpensive power, mass, and volume costs. When it comes to docking, however, they typically serve a secondary role,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Duarte Rondao , Lei He , Nabil Aouf

The search for exoplanets is pushing adaptive optics systems on ground-based telescopes to their limits. One of the major limitations at small angular separations, exactly where exoplanets are predicted to be, is the servo-lag of the…

Human-in-the-loop (HITL) UAV operation is essential in complex and safety-critical aerial surveying environments, where human operators provide navigation intent while onboard autonomy must maintain accurate and robust state estimation. A…

Robotics · Computer Science 2026-04-14 Yizhe Zhang , Jianping Li , Liangliang Yin , Zhen Dong , Bisheng Yang

Astronomers working with faint targets will benefit greatly from improved image quality on current and planned ground-based telescopes. At present, most adaptive optic systems are targeted at the highest resolution with bright guide stars.…

Instrumentation and Methods for Astrophysics · Physics 2020-01-30 Craig Mackay

Context. The new giant segmented mirror telescopes will use laser guide stars (LGS) for their adaptive optics (AO) systems. Two options to use as wavefront sensors (WFS) are the Shack-Hartmann wavefront sensor (SHWFS) and the pyramid…

Instrumentation and Methods for Astrophysics · Physics 2024-10-08 Francisco Oyarzun , Cedric-Taissir Heritier , Vincent Chambouleyron , Thierry Fusco , Paul Rouquette , Benoit Neichel

Wavefront sensors encode phase information of an incoming wavefront into an intensity pattern that can be measured on a camera. Several kinds of wavefront sensors (WFS) are used in astronomical adaptive optics. Amongst them, Fourier-based…

In the context of the development of several space mission projects for UV spectropolarimetry at high resolution and over a wide UV wavelength range, such as Arago, Polstar, and Pollux onboard the Habitable Worlds Observatory, we are…