Numerical modeling of the proposed WFIRST-AFTA coronagraphs and their predicted performances
J Krist, B Nemati, B Mennesson - Journal of Astronomical …, 2016 - spiedigitallibrary.org
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 …
End-to-end numerical modeling of AFTA coronagraphs
JE Krist - Space Telescopes and Instrumentation 2014: Optical …, 2014 - spiedigitallibrary.org
The Astrophysics Focused Telescope Assets (AFTA) is one of a pair of space-qualified 2.4
meter diameter telescopes given to NASA. One plan is to use the telescope for WFIRST with …
meter diameter telescopes given to NASA. One plan is to use the telescope for WFIRST with …
Lyot coronagraph design study for large, segmented space telescope apertures
NT Zimmerman, M N'Diaye… - Space Telescopes …, 2016 - spiedigitallibrary.org
Recent efforts combining the optimization techniques of apodized pupil Lyot coronagraphs
(APLC) and shaped pupils have demonstrated the viability of a binary-transmission mask …
(APLC) and shaped pupils have demonstrated the viability of a binary-transmission mask …
Optimal design of apodizing phase plate coronagraphs
EH Por - Techniques and Instrumentation for Detection of …, 2017 - spiedigitallibrary.org
Direct observations of exoplanets require a stellar coronagraph to suppress the diffracted
starlight. An Apodizing Phase Plate (APP) coronagraph consists of a carefully designed …
starlight. An Apodizing Phase Plate (APP) coronagraph consists of a carefully designed …
Hybrid Lyot coronagraph for WFIRST-AFTA: coronagraph design and performance metrics
J Trauger, D Moody, J Krist… - Journal of Astronomical …, 2016 - spiedigitallibrary.org
The prospect of extreme high-contrast astronomical imaging from space has inspired
developments of new coronagraph methods for exoplanet imaging and spectroscopy …
developments of new coronagraph methods for exoplanet imaging and spectroscopy …
Apodized pupil Lyot coronagraphs for arbitrary apertures. IV. Reduced inner working angle and increased robustness to low-order aberrations
ABSTRACT The Apodized Pupil Lyot Coronagraph (APLC) is a diffraction suppression
system installed in the recently deployed instruments Palomar/P1640, Gemini/GPI, and …
system installed in the recently deployed instruments Palomar/P1640, Gemini/GPI, and …
Demonstration of high contrast with an obscured aperture with the WFIRST-AFTA shaped pupil coronagraph
The coronagraph instrument on the Wide-Field Infrared Survey Telescope-Astrophysics-
Focused Telescope Asset (WFIRST-AFTA) mission study has two coronagraphic …
Focused Telescope Asset (WFIRST-AFTA) mission study has two coronagraphic …
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 …
High-contrast imaging and wavefront control with a PIAA coronagraph: laboratory system validation
O Guyon, E Pluzhnik, F Martinache… - Publications of the …, 2009 - iopscience.iop.org
ABSTRACT The Phase-Induced Amplitude Apodization (PIAA) coronagraph is a high-
performance coronagraph concept able to work at small angular separation with little loss in …
performance coronagraph concept able to work at small angular separation with little loss in …
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 …