Phasing the Giant Magellan Telescope: lab experiments and first on-sky demonstration
The large apertures of the upcoming generation of Giant Segmented Mirror Telescopes will
enable unprecedented angular resolutions that scale as∝ λ/D and higher sensitivities that …
enable unprecedented angular resolutions that scale as∝ λ/D and higher sensitivities that …
Cascade adaptive optics with a second stage based on a Zernike wavefront sensor for exoplanet observations-Experimental validation on the ESO/GHOST testbed
Context. Over the past decade, the high-contrast observation of disks and gas giant planets
around nearby stars has been made possible with ground-based instruments using extreme …
around nearby stars has been made possible with ground-based instruments using extreme …
High-contrast imaging at first-light of the GMT: The PDR optical and mechanical design for the GMagAO-X ExAO system and results from the HCAT testbed with an …
ELTs have the potential for imaging reflected light from habitable rocky planets around M-
stars. To address that exciting science we present the PDR level optical-mechanical design …
stars. To address that exciting science we present the PDR level optical-mechanical design …
Coronagraph-based wavefront sensors for the high Strehl regime
A crucial component of the high-contrast instrumental chain in astronomy is the wavefront
sensor (WFS). A key property of this component is its sensitivities, which reflect its ability to …
sensor (WFS). A key property of this component is its sensitivities, which reflect its ability to …
Recent upgrades to the keck planet imager and characterizer
D Echeverri, N Jovanovic, MK Roberts… - Ground-based and …, 2024 - spiedigitallibrary.org
KPIC (the Keck Planet Imager and Characterizer) is a series of upgrades for the Keck II
Adaptive Optics system and the NIRSPEC spectrograph to enable diffraction-limited, high …
Adaptive Optics system and the NIRSPEC spectrograph to enable diffraction-limited, high …
Polarization-dependent metasurface for vector Zernike wavefront sensing with increased<? pag\break?> dynamic range
T Wenger, J Kent Wallace - Optics Letters, 2025 - opg.optica.org
Metasurfaces have unique properties that make them suitable for a variety of optical
applications. Not only do metasurfaces allow a great deal of design flexibility by controlling …
applications. Not only do metasurfaces allow a great deal of design flexibility by controlling …
Technical description and performance of the phase II version of the Keck Planet Imager and Characterizer
The Keck Planet Imager and Characterizer (KPIC) is a series of upgrades for the Keck II
Adaptive Optics (AO) system and the NIRSPEC spectrograph to enable diffraction limited …
Adaptive Optics (AO) system and the NIRSPEC spectrograph to enable diffraction limited …
Thirty Meter Telescope alignment and phasing system risk reduction studies and experiments
M Schoeck, G Chanan, S Michaels… - Ground-based and …, 2024 - spiedigitallibrary.org
The Alignment and Phasing System (APS) of the Thirty Meter Telescope (TMT) will use
Shack-Hartmann-type measurements to determine the alignment of the telescope mirrors as …
Shack-Hartmann-type measurements to determine the alignment of the telescope mirrors as …
Mid-order wavefront control for exoplanet imaging: preliminary characterization of the segmented deformable mirror and Zernike wavefront sensor on HiCAT
We study a mid-order wavefront sensor (MOWFS) to address fine cophasing errors in
exoplanet imaging with future large segmented aperture space telescopes. Observing Earth …
exoplanet imaging with future large segmented aperture space telescopes. Observing Earth …
Hardware development towards the demonstration of an ideal photonic coronagraph
D McKeithen, J Jewell… - Space Telescopes and …, 2024 - spiedigitallibrary.org
The Habitable Worlds Observatory aims to detect and characterize Earth-like exoplanets
orbiting around Sunlike stars. Current coronagraph technology is not yet capable of …
orbiting around Sunlike stars. Current coronagraph technology is not yet capable of …