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Laser Guide Star for Large Segmented-Aperture Space Telescopes, Part I: Implications for Terrestrial Exoplanet Detection and Observatory Stability
Ewan S. Douglas, Jared R. Males, James Clark +4
Precision wavefront control on future segmented-aperture space telescopes presents significant challenges, particularly in the context of high-contrast exoplanet direct imaging. We…
The Habitable Exoplanet Observatory (HabEx) Mission Concept Study Interim Report
B. Scott Gaudi, Sara Seager, Bertrand Mennesson +79
For the first time in human history, technologies have matured sufficiently to enable a mission capable of discovering and characterizing habitable planets like Earth orbiting sunl…
SCExAO, an instrument with a dual purpose: perform cutting-edge science and develop new technologies
Julien Lozi, Olivier Guyon, Nemanja Jovanovic +31
The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument is an extremely modular high-contrast instrument installed on the Subaru telescope in Hawaii. SCExAO has a dual…
Characterizing Vibrations at the Subaru Telescope for the Subaru Coronagraphic Extreme Adaptive Optics instrument
Julien Lozi, Olivier Guyon, Nemanja Jovanovic +6
Vibrations are a key source of image degradation in ground-based instrumentation, especially for high-contrast imaging instruments. Vibrations reduce the quality of the correction…
The Planetary Systems Imager: 2-5 Micron Channel
Andrew J. Skemer, Deno Stelter, Dimitri Mawet +15
We summarize the red channel (2-5 micron) of the Planetary Systems Imager (PSI), a proposed second-generation instrument for the TMT. Cold exoplanets emit the majority of their lig…
SHARK-NIR, the coronagraphic camera for LBT, moving toward construction
Jacopo Farinato, Francesca Bacciotti, Carlo Baffa +37
SHARK-NIR is one of the two coronagraphic instruments proposed for the Large Binocular Telescope. Together with SHARK-VIS (performing coronagraphic imaging in the visible domain),…
Review of high-contrast imaging systems for current and future ground-based and space-based telescopes III. Technology opportunities and pathways
Frans Snik, Olivier Absil, Pierre Baudoz +30
The Optimal Optical CoronagraphWorkshop at the Lorentz Center in September 2017 in Leiden, the Netherlands gathered a diverse group of 25 researchers working on exoplanet instrumen…
Review of high-contrast imaging systems for current and future ground-based and space-based telescopes II. Common path wavefront sensing/control and Coherent Differential Imaging
Nemanja Jovanovic, Olivier Absil, Pierre Baudoz +28
The Optimal Optical Coronagraph (OOC) Workshop held at the Lorentz Center in September 2017 in Leiden, the Netherlands, gathered a diverse group of 25 researchers working on exopla…
Review of high-contrast imaging systems for current and future ground- and space-based telescopes I. Coronagraph design methods and optical performance metrics
G. Ruane, A. Riggs, J. Mazoyer +29
The Optimal Optical Coronagraph (OOC) Workshop at the Lorentz Center in September 2017 in Leiden, the Netherlands gathered a diverse group of 25 researchers working on exoplanet in…
Modeling coronagraphic extreme wavefront control systems for high contrast imaging in ground and space telescope missions
Jennifer Lumbres, Jared Males, Ewan Douglas +17
The challenges of high contrast imaging (HCI) for detecting exoplanets for both ground and space applications can be met with extreme adaptive optics (ExAO), a high-order adaptive…
Focal plane wavefront sensing and control strategies for high-contrast imaging on the MagAO-X instrument
Kelsey Miller, Jared R. Males, Olivier Guyon +14
The Magellan extreme adaptive optics (MagAO-X) instrument is a new extreme adaptive optics (ExAO) system designed for operation in the visible to near-IR which will deliver high co…
Phase-induced amplitude apodization complex mask coronagraph tolerancing and analysis
Justin M. Knight, Olivier Guyon, Julien Lozi +2
Phase-Induced Amplitude Apodization Complex Mask Coronagraphs (PIAACMC) offer high-contrast performance at a small inner-working angle ( 1 /D) with high planet throughp…
Characterization of deformable mirrors for the MagAO-X project
Kyle Van Gorkom, Kelsey L. Miller, Jared R. Males +4
The MagAO-X instrument is an upgrade of the Magellan AO system that will introduce extreme adaptive optics capabilities for high-contrast imaging at visible and near-infrared wavel…
Real-time estimation and correction of quasi-static aberrations in ground-based high contrast imaging systems with high frame-rates
Alexander T. Rodack, Jared R. Males, Olivier Guyon +3
The success of ground-based, high contrast imaging for the detection of exoplanets in part depends on the ability to differentiate between quasi-static speckles caused by aberratio…
Design of the MagAO-X Pyramid Wavefront Sensor
Lauren H. Schatz, Jared R. Males, Laird M. Close +11
Adaptive optics systems correct atmospheric turbulence in real time. Most adaptive optics systems used routinely correct in the near infrared, at wavelengths greater than 1 micron.…
MagAO-X: project status and first laboratory results
Jared R. Males, Laird M. Close, Kelsey Miller +32
MagAO-X is an entirely new "extreme" adaptive optics system for the Magellan Clay 6.5 m telescope, funded by the NSF MRI program starting in Sep 2016. The key science goal of MagAO…
The Robo-AO-2 facility for rapid visible/near-infrared AO imaging and the demonstration of hybrid techniques
Christoph Baranec, Mark Chun, Donald Hall +23
We are building a next-generation laser adaptive optics system, Robo-AO-2, for the UH 2.2-m telescope that will deliver robotic, diffraction-limited observations at visible and nea…
Overview of the SAPHIRA Detector for AO Applications
Sean B. Goebel, Donald N. B. Hall, Olivier Guyon +2
We discuss some of the unique details of the operation and behavior of Leonardo SAPHIRA detectors, particularly in relation to their usage for adaptive optics wavefront sensing. SA…
TDEM final report: Enhanced direct imaging exoplanet detection with astrometry mass determination
Eduardo Bendek, Ruslan Belikov, Olivier Guyon +6
This Final Report (FR) presents the results of the Enhanced direct imaging exoplanet detection with astrometry mass determination project, which was executed in support of NASA's E…
Project Blue: Visible Light Imaging Search for Terrestrial-class Exoplanets in the Habitable Zones of Alpha Centauri A and B
Jon Morse, Eduardo Bendek, Nathalie Cabrol +9
Project Blue is designed to deliver a small coronagraphic space telescope mission to low-Earth orbit capable of detecting an Earth-like planet in the habitable zones of the Sun-lik…
The value of astrometry for exoplanet science
Eduardo Bendek, Mark Marley, Michael Shao +3
Exoplanets mass measurements will be a critical next step to assess the habitability of Earth-like planets: a key aspect of the 2020 vision in the previous decadal survey and also…
Precision Space Astrometry as a Tool to Find Earth-like Exoplanets
Michael Shao, Slava G. Turyshev, Eduardo Bendek +6
Because of the recent technological advances, the key technologies needed for precision space optical astrometry are now in hand. The Microarcsecond Astrometry Probe (MAP) mission…
Laboratory and On-Sky Validation of the Shaped Pupil Coronagraph's Sensitivity to Low-Order Aberrations With Active Wavefront Control
Thayne Currie, N. Jeremy Kasdin, Tyler Groff +10
We present early laboratory simulations and extensive on-sky tests validating of the performance of a shaped pupil coronagraph (SPC) behind an extreme-AO corrected beam of the Suba…