Over the last two decades, several thousand exoplanets have been identified, and their
study has become a high scientific priority. Direct imaging of nearby exoplanets and the …

Abstract Space-based high-contrast imaging mission concepts for studying rocky exoplanets
in reflected light are currently under community study. We develop an inverse modeling …

Coronagraphs of the apodized pupil and shaped pupil varieties use the Fraunhofer
diffraction properties of amplitude masks to create regions of high contrast in the vicinity of a …

Context. Exoplanet direct imaging is a key science goal of current ground-based telescopes
as well as of future ground-based extremely large telescopes and space-based telescopes …

Hybrid Lyot Coronagraph (HLC) is one of the two operating modes of the Wide-Field
InfraRed Survey Telescope (WFIRST) coronagraph instrument. Since being selected by …

Detection and characterization of Earth-like planets around nearby stars using the direct
imaging technique is a key scientific objective of future NASA astrophysics flagship …

Imaging planets in reflected light, a key focus of future NASA missions and extremely large
telescopes, requires advanced wavefront control to maintain a deep, temporally correlated …

The Nancy Grace Roman Space Telescope, planned to launch in the mid-2020s, will be the
first space-based observatory to demonstrate active wavefront correction at high contrast …

NASA WFIRST-AFTA mission study includes a coronagraph instrument to find and
characterize exoplanets. Various types of masks could be employed to suppress the host …

Abstract Wide-Field Infrared Survey Telescope (WFIRST)-CGI is a NASA technology
demonstration mission that is charged with demonstrating key technologies for future exo …