English
Related papers

Related papers: The GPU-based High-order adaptive OpticS Testbench

200 papers

The Gemini High-resolution Optical SpecTrograph (GHOST) is the newest high resolution spectrograph to be developed for a large aperture telescope, recently deployed and commissioned at the Gemini-South telescope. In this paper, we present…

The Giant Magellan Adaptive Optics eXtreme (GMagAO-X) instrument is a first-light high-contrast imaging instrument for the Giant Magellan Telescope (GMT). GMagAO-X's broad wavelength range and the large 25-meter aperture of the GMT creates…

Instrumentation and Methods for Astrophysics · Physics 2024-07-19 Sebastiaan Y. Haffert , Jared R Males , Laird M. Close , Maggie Y. Kautz , Olivier Durney , Olivier Guyon

The Multiconjugate adaptive Optic Relay For ELT Observations (MORFEO, formerly known as MAORY) is the adaptive optics (AO) module for the Extremely Large Telescope (ELT) aimed at providing a 1 arcmin corrected field to the Multi-AO Imaging…

Instrumentation and Methods for Astrophysics · Physics 2022-09-01 Guido Agapito , Lorenzo Busoni , Giulia Carlà , Cédric Plantet , Simone Esposito , Paolo Ciliegi

The Galactic Exoplanet Survey Telescope (GEST) will observe a 2 square degree field in the Galactic bulge to search for extra-solar planets using a gravitational lensing technique. This gravitational lensing technique is the only method…

The implementation of the GRAVITY+ Adaptive Optics (GPAO) system at VLTI enables unprecedented sensitivity and stability in optical interferometry. This allows high-precision characterization of directly imaged exoplanets at medium spectral…

Instrumentation and Methods for Astrophysics · Physics 2026-03-17 J. R. Sauter , A. von Stauffenberg , G. Bourdarot , W. Brandner , F. Eisenhauer , L. Kreidberg , L. Labadie , S. Scheithauer , D. Trevascus , R. van Boekel

The performance of adaptive optics systems is partially dependant on the algorithms used within the real-time control system to compute wavefront slope measurements. We demonstrate use of a matched filter algorithm for the processing of…

The James Webb Space Telescope (JWST) Optical Simulation Testbed (JOST) is a hardware simulator for wavefront sensing and control designed to produce JWST-like images. A model of the JWST three mirror anas- tigmat is realized with three…

MagAO-X is the coronagraphic extreme adaptive optics system for the 6.5 m Magellan Clay Telescope. We report the results of commissioning the first phase of MagAO-X. Components now available for routine observations include: the >2 kHz…

An important tool for the development of the next generation of extremely large telescopes (ELTs) is a robust Systems Engineering (SE) methodology. GMACS is a first-generation multi-object spectrograph that will work at visible wavelengths…

Instrumentation and Methods for Astrophysics · Physics 2018-08-28 D. M. Faes , A. Souza , C. Froning , L. Schmidt , D. Bortoletto , E. Cook , D. L. DePoy , T. -G. Ji , D. Jones , H. -I. Lee , J. L. Marshall , C. M. Oliveira , S. Pak , C. Papovich , T. Prochaska , R. Ribeiro , K. Taylor

The Gemini High-resolution Optical SpecTrograph (GHOST) at Gemini South started regular queue operations in early 2024, bringing a long-sought open-access capability to the astronomy community. This research note briefly describes an effort…

The SINFONI instrument for ESO's VLT combines integral field spectroscopy and adaptive optics (AO). We discuss detailed simulations of the adaptive optics module. These simulations are aimed at assessing the AO module performance,…

Astrophysics · Physics 2009-11-10 Anthony G A Brown , Enrico Fedrigo , Paul van der Werf

SAXO+ is a proposed upgrade to SAXO, the AO system of the SPHERE instrument on the ESO Very Large Telescope. It will improve the capabilities of the instrument for the detection and characterization of young giant planets. It includes a…

Direct detection of exoplanets around nearby stars requires advanced Adaptive Optics (AO) systems. High order systems are needed to reach high Strehl Ratio (SR) in near infrared and optical wavelengths on future Giant Segmented Mirror…

Instrumentation and Methods for Astrophysics · Physics 2024-01-31 C. Vérinaud , C. T. Heritier , M. Kasper , M. Tallon

This project is focused on evaluating the slowly-varying ground layer seeing component at the optical telescopes of ARIES. To achieve this, we assembled the instrument, consisting of a filter wheel, a CCD camera, and a tip-tilt enabled…

Instrumentation and Methods for Astrophysics · Physics 2024-01-22 Purvi Udhwani , Amitesh Omar , Krishna Reddy

Adaptive optics is a technique mostly used on large telescopes. It turns out to be challenging for smaller telescopes (0.5~2m) due to the small isoplanatic angle, small subapertures and high correction speeds needed at visible wavelengths,…

Instrumentation and Methods for Astrophysics · Physics 2023-10-12 Olivier Lai , Mark Chun , Stefan Kuiper , Niek Doelman , Marcel Carbillet , Mamadou N'Diaye , Frantz Martinache , Lyu Abe , Jean-Pierre Rivet , Dirk Schmidt

We present a hybrid device platform for creating an electrically reconfigurable metasurface formed by the integration of plasmonic nanostructures with phase-change material germanium antimony telluride (GST). By changing the phase of GST…

Extreme adaptive optics (AO) is crucial for enabling the contrasts needed for ground-based high contrast imaging instruments to detect exoplanets. Pushing exoplanet imaging detection sensitivities towards lower mass, closer separations, and…

Earth and Planetary Astrophysics · Physics 2021-07-29 Benjamin L. Gerard , Vincent Chambouleyron , Rebecca Jensen-Clem , Jean-François Sauvage

This paper presents the design and implementation of an AI vision-controlled orthotic hand exoskeleton to enhance rehabilitation and assistive functionality for individuals with hand mobility impairments. The system leverages a Google Coral…

Robotics · Computer Science 2025-04-24 Connor Blais , Md Abdul Baset Sarker , Masudul H. Imtiaz

METIS, the Mid-Infrared ELT Imager and Spectrograph, is one of the four first-generation ELT instruments scheduled to see first light in 2028. Its two main science modules are supported by an adaptive optics system featuring a pyramid…

Instrumentation and Methods for Astrophysics · Physics 2023-11-23 Markus Feldt , Horst Steuer , Carlos Correia , Andreas Obereder , Stefan Raffetseder , Thomas Bertram , Julia Shatokina , Faustine Cantalloube

Feed-forward 3D Gaussian Splatting (3DGS) enables efficient one-pass scene reconstruction, providing 3D representations for novel view synthesis without per-scene optimization. However, existing methods typically predict pixel-aligned…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Jongmin Park , Minh-Quan Viet Bui , Juan Luis Gonzalez Bello , Jaeho Moon , Jihyong Oh , Munchurl Kim
‹ Prev 1 3 4 5 6 7 10 Next ›