Fast linearized coronagraph optimizer (FALCO) I: a software toolbox for rapid coronagraphic design and wavefront correction

AJE Riggs, G Ruane, E Sidick, C Coker… - Space Telescopes …, 2018 - spiedigitallibrary.org
The Fast Linearized Coronagraph Optimizer (FALCO) is an open-source toolbox of routines
for coronagraphic focal plane wavefront correction. The goal of FALCO is to provide a free …

Imaging exoplanets with coronagraphic instruments

R Galicher, J Mazoyer - Comptes …, 2023 - comptes-rendus.academie-sciences …
L'exoplanétologie est un domaine très actif de l'astronomie moderne avec des questions
encore ouvertes: comment les systèmes planétaires se forment-ils et évoluent-ils; pourquoi …

End-to-end numerical modeling of the Roman Space Telescope coronagraph

JE Krist, JB Steeves, BD Dube… - Journal of …, 2023 - spiedigitallibrary.org
The Roman Space Telescope will have the first advanced coronagraph in space, with
deformable mirrors (DMs) for wavefront control (WFC), low-order wavefront sensing and …

Measuring the variability of directly imaged exoplanets using vector Apodizing Phase Plates combined with ground-based differential spectrophotometry

BJ Sutlieff, JL Birkby, JM Stone… - Monthly Notices of …, 2023 - academic.oup.com
Clouds and other features in exoplanet and brown dwarf atmospheres cause variations in
brightness as they rotate in and out of view. Ground-based instruments reach the high …

Vector-apodizing phase plate coronagraph: design, current performance, and future development

DS Doelman, F Snik, EH Por, SP Bos, G Otten… - Applied …, 2021 - opg.optica.org
Over the last decade, the vector-apodizing phase plate (vAPP) coronagraph has been
developed from concept to on-sky application in many high-contrast imaging systems on 8 m …

Minimizing the polarization leakage of geometric-phase coronagraphs with multiple grating pattern combinations

DS Doelman, EH Por, G Ruane… - Publications of the …, 2020 - iopscience.iop.org
The design of liquid-crystal diffractive phase plate coronagraphs for ground-based and
space-based high-contrast imaging systems is limited by the trade-off between spectral …

Current laboratory performance of starlight suppression systems and potential pathways to desired Habitable Worlds Observatory exoplanet science capabilities

B Mennesson, R Belikov, E Por… - Journal of …, 2024 - spiedigitallibrary.org
We summarize the current best polychromatic (∼ 10% to 20% bandwidth) contrast
performance demonstrated in the laboratory by different starlight suppression approaches …

Wavefront sensing and control in space-based coronagraph instruments using Zernike's phase-contrast method

G Ruane, JK Wallace, J Steeves… - Journal of …, 2020 - spiedigitallibrary.org
Future space telescopes with coronagraph instruments will use a wavefront sensor (WFS) to
measure and correct for phase errors and stabilize the stellar intensity in high-contrast …

Microelectromechanical deformable mirror development for high-contrast imaging, part 2: the impact of quantization errors on coronagraph image contrast

G Ruane, D Echeverri, E Bendek… - Journal of …, 2020 - spiedigitallibrary.org
Stellar coronagraphs rely on deformable mirrors (DMs) to correct wavefront errors and
create high-contrast images. Imperfect control of the DM limits the achievable contrast, and …

Phase-apodized-pupil Lyot coronagraphs for arbitrary telescope pupils

EH Por - The Astrophysical Journal, 2020 - iopscience.iop.org
The phase-apodized-pupil Lyot coronagraph (PAPLC) is a pairing of the apodized-pupil
Lyot coronagraph and the apodizing phase plate (APP) coronagraph. We describe a …