Extreme adaptive optics
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 …
study has become a high scientific priority. Direct imaging of nearby exoplanets and the …
The Subaru coronagraphic extreme adaptive optics system: enabling high-contrast imaging on solar-system scales
Abstract The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument is a
multipurpose high-contrast imaging platform designed for the discovery and detailed …
multipurpose high-contrast imaging platform designed for the discovery and detailed …
MagAO-X: project status and first laboratory results
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 …
telescope, funded by the NSF MRI program starting in Sep 2016. The key science goal of …
Apodized phase mask coronagraphs for arbitrary apertures-ii. comprehensive review of solutions for the vortex coronagraph
Context. With a clear circular aperture, the vortex coronagraph perfectly cancels an on-axis
point source and offers a 0.9 or 1.75λ/D inner working angle for topological charge 2 or 4 …
point source and offers a 0.9 or 1.75λ/D inner working angle for topological charge 2 or 4 …
Numerical modeling of the proposed WFIRST-AFTA coronagraphs and their predicted performances
The WFIRST-AFTA 2.37 m telescope will provide the opportunity to host a coronagraph for
the imaging and spectroscopy of planets and disks in the next decade. The telescope …
the imaging and spectroscopy of planets and disks in the next decade. The telescope …
Polarization aberrations in next-generation giant segmented mirror telescopes (gsmts)-i. effect on the coronagraphic performance
Context. Next-generation large segmented mirror telescopes are expected to perform direct
imaging and characterization of Earth-like rocky planets, which requires contrast limits of …
imaging and characterization of Earth-like rocky planets, which requires contrast limits of …
SCExAO, an instrument with a dual purpose: perform cutting-edge science and develop new technologies
The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument is an extremely
modular high-contrast instrument installed on the Subaru telescope in Hawaii. SCExAO has …
modular high-contrast instrument installed on the Subaru telescope in Hawaii. SCExAO has …
Apodized pupil Lyot coronagraphs for arbitrary apertures. V. Hybrid shaped pupil designs for imaging Earth-like planets with future space observatories
We introduce a new class of solutions for Apodized Pupil Lyot Coronagraphs (APLC) with
segmented aperture telescopes to remove broadband diffracted light from a star with a …
segmented aperture telescopes to remove broadband diffracted light from a star with a …
High performance Lyot and PIAA coronagraphy for arbitrarily shaped telescope apertures
Two high-performance coronagraphic approaches compatible with segmented and
obstructed telescope pupils are described. Both concepts use entrance pupil amplitude …
obstructed telescope pupils are described. Both concepts use entrance pupil amplitude …
The VAMPIRES instrument: imaging the innermost regions of protoplanetary discs with polarimetric interferometry
Direct imaging of protoplanetary discs promises to provide key insight into the complex
sequence of processes by which planets are formed. However, imaging the innermost …
sequence of processes by which planets are formed. However, imaging the innermost …