Dr. Rico Landman Profile

Dr. Rico Landman

at Leiden Observatory

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Author

Publications (10)

Proceedings Article | 28 August 2024 Presentation

Closed-loop wavefront control with a neural network reconstructor for the unmodulated pyramid wavefront sensor on MagAO-X

Rico Landman, Sebastiaan Haffert, Jared Males, Laird Close, Kyle Van Gorkom, Olivier Guyon, Alexander Hedglen, Maggie Kautz, Joseph Long, Jennifer Lumbres, Lauren Schatz

Proceedings Volume 13097, 1309712 (2024) https://doi.org/10.1117/12.3018991

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Proceedings Article | 6 October 2023 Poster

Harvesting lost photons in stellar coronagraphs

Lisa Altinier, Yann Gutierrez, Olivier Absil, Alexis Carlotti, Olivier Herscovici-Schiller, Lucie Leboulleux, Emiel Por, Pierre Baudoz, Alexis Bidot, Kimberly Bott, Bernhard Brandl, Sarah Casewell, Élodie Choquet, Nicolas Cowan, Niyati Desai, David Doelman, Jules Fowler, Timothy Gebhard, Sebastiaan Haffert, Adrien Hours, Roser Juanola-Parramon, Matthew Kenworthy, Elina Kleisioti, Lorenzo König, Mariya Krasteva, Iva Laginja, Rico Landman, Johan Mazoyers, Maxwell Millar-Blanchaer, David Mouillet, Mamadou N'Diaye, Frans Snik, Dirk van Dam, Kyle Van Gorkom, Maaike van Kooten, Sophia Vaughan, Arthur Vigan

Proceedings Volume 12680, 126801T (2023) https://doi.org/10.1117/12.2677410

KEYWORDS: Coronagraphy, Photons, Exoplanets, Stars, Wavefront sensors, Reflection, Pupil aberrations, Large telescopes, Cameras, Calibration

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Proceedings Article | 5 October 2023 Presentation + Paper

Tempestas ex machina: a review of machine learning methods for wavefront control

J. Fowler, Rico Landman

Proceedings Volume 12680, 126800E (2023) https://doi.org/10.1117/12.2676536

KEYWORDS: Machine learning, Wavefront sensors, Wavefronts, Control systems, Adaptive optics, Signal filtering, Tunable filters, Neural networks, Model-based design, Telescopes

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Proceedings Article | 5 October 2023 Poster + Paper

Integrated photonic-based coronagraphic systems for future space telescopes

Niyati Desai, Lorenzo König, Emiel Por, Roser Juanola-Parramon, Ruslan Belikov, Iva Laginja, Olivier Guyon, Laurent Pueyo, Kevin Fogarty, Olivier Absil, Lisa Altinier, Pierre Baudoz, Alexis Bidot, Markus Johannes Bonse, Kimberly Bott, Bernhard Brandl, Alexis Carlotti, Sarah Casewell, Elodie Choquet, Nicolas Cowan, David Doelman, J. Fowler, Timothy Gebhard, Yann Gutierrez, Sebastiaan Haffert, Olivier Herscovici-Schiller, Adrien Hours, Matthew Kenworthy, Elina Kleisioti, Mariya Krasteva, Rico Landman, Lucie Leboulleux, Johan Mazoyer, Maxwell Millar-Blanchaer, David Mouillet, Mamadou N'Diaye, Frans Snik, Dirk van Dam, Kyle van Gorkom, Maaike van Kooten, Sophia Vaughan

Proceedings Volume 12680, 126801S (2023) https://doi.org/10.1117/12.2677210

KEYWORDS: Coronagraphy, Planets, Yield improvement, Space telescopes, Exoplanets, Telescopes, Tolerancing, System integration, Physics, Equipment

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Proceedings Article | 5 October 2023 Paper

Visible extreme adaptive optics on extremely large telescopes: towards detecting oxygen in Proxima Centauri b and analogs

J. Fowler, Sebastiaan Haffert, Maaike A. M. van Kooten, Rico Landman, Alexis Bidot, Adrien Hours, Mamadou N'Diaye, Olivier Absil, Lisa Altinier, Pierre Baudoz, Ruslan Belikov, Markus Johannes Bonse, Kimberly Bott, Bernhard Brandl, Alexis Carlotti, Sarah Casewell, Elodie Choquet, Nicolas Cowan, Niyati Desai, David Doelman, Kevin Fogarty, Timothy Gebhard, Yann Gutierrez, Olivier Guyon, Olivier Herscovici-Schiller, Roser Juanola-Parramon, Matthew Kenworthy, Elina Kleisioti, Lorenzo König, Mariya Krasteva, Iva Laginja, Lucie Leboulleux, Johan Mazoyer, Maxwell Millar-Blanchaer, David Mouillet, Emiel Por, Laurent Pueyo, Frans Snik, Dirk van Dam, Kyle van Gorkom, Sophia Vaughan

Proceedings Volume 12680, 126801U (2023) https://doi.org/10.1117/12.2677503

KEYWORDS: Wavefront errors, Adaptive optics, Wavefront sensors, Oxygen, Planets, Equipment, Stars, Coronagraphy, Telescopes, Large telescopes

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Proceedings Article | 30 August 2022 Poster + Paper

Joint optimization of wavefront sensing and reconstruction with automatic differentiation

Rico Landman, Christoph Keller, Emiel Por, Sebastiaan Haffert, David Doelman, Thijs Stockmans

Proceedings Volume 12185, 1218589 (2022) https://doi.org/10.1117/12.2629930

KEYWORDS: Wavefront sensors, Wavefronts, Actuators, Spatial frequencies, Wave propagation, Turbulence, Point spread functions, Adaptive optics, Wavefront reconstruction, Machine learning, Convolutional neural networks, Artificial neural networks, Fourier optics, Nonlinear control

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Proceedings Article | 29 August 2022 Poster + Paper

MedRes: a new MEDium RESolution integral field spectrograph for SPHERE

Raffaele Gratton, Christoph Keller, Emiliano Diolaiti, Andrea Baruffolo, Mickael Bonnefoy, Valentina D'Orazi, Maud Langlois, Magali Loupias, Mamadou N'Diaye, Eric Pantin, Eric Stadler, François Wildi, Jean-Luc Beuzit, Anthony Boccaletti, Gael Chauvin, Silvano Desidera, David Mouillet, Andrea Bianco, Enrico Cascone, Fausto Cortecchia, Vincenzo De Caprio, Adriano De Rosa, Celia Desgrange, Michele Frangiamore, Rico Landman, Matteo Lombini, Giuseppe Malaguti, Dino Mesa, Julien Milli, Gianluca Morgante, Thibault Pichon, Filomena Schiavone, Laura Schreiber, Luca Terenzi, Alessio Zanutta

Proceedings Volume 12184, 121844F (2022) https://doi.org/10.1117/12.2630382

KEYWORDS: Optical spheres, Sensors, Planets, Spectrographs, Iterated function systems, Stars, Spectral resolution, Coronagraphy, Adaptive optics, Signal to noise ratio

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Proceedings Article | 29 August 2022 Presentation + Paper

Upgrading the high contrast imaging facility SPHERE: science drivers and instrument choices

A. Boccaletti, G. Chauvin, F. Wildi, J. Milli, E. Stadler, E. Diolaiti, R. Gratton, F. Vidal, M. Loupias, M. Langlois, F. Cantalloube, M. N’Diaye, D. Gratadour, F. Ferreira, M. Tallon, J. Mazoyer, D. Segransan, D. Mouillet, J.-L. Beuzit, M. Bonnefoy, R. Galicher, A. Vigan, I. Snellen, M. Feldt, S. Desidera, S. Rousseau, A. Baruffolo, C. Goulas, P. Baudoz, C. Bechet, M. Benisty, A. Bianco, B. Carry, E. Cascone, B. Charnay, E. Choquet, V. Christiaens, F. Cortecchia, V. Di Capprio, A. De Rosa, C. Desgrange, V. D'Orazi, S. Douté, M. Frangiamore, E. Gendron, C. Ginski, E. Huby, C. Keller, C. Kulcsár, R. Landman, S. Lagarde, E. Lagadec, A.-M. Lagrange, M. Lombini, M. Kasper, F. Ménard, Y. Magnard, G. Malaguti, D. Maurel, D. Mesa, G. Morgante, E. Pantin, T. Pichon, A. Potier, P. Rabou, S. Rochat, l. Terenzi, E. Thiébaut, I. Tallon-Bosc, H.-F Raynaud, D. Rouan, A. Sevin, F. Schiavone, L. Schrieber, A. Zanutta

Proceedings Volume 12184, 121841S (2022) https://doi.org/10.1117/12.2630154

KEYWORDS: Optical spheres, Planets, Exoplanets, Astronomy, Astrophysics, Spectral resolution, Adaptive optics, Stars, Wavefront sensors, Coronagraphy

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SPIE Journal Paper | 27 August 2021

Self-optimizing adaptive optics control with reinforcement learning for high-contrast imaging

Rico Landman, Sebastiaan Haffert, Vikram Mark Radhakrishnan, Christoph Keller

JATIS, Vol. 7, Issue 03, 039002, (August 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.3.039002

KEYWORDS: Adaptive optics, Wavefronts, Turbulence, Device simulation, Adaptive control, Actuators, Spatial light modulators, Computer simulations, Control systems, Neural networks

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Proceedings Article | 13 December 2020 Poster + Paper

Self-optimizing adaptive optics control with reinforcement learning

R. Landman, S. Haffert, V. Radhakrishnan, C. Keller

Proceedings Volume 11448, 1144849 (2020) https://doi.org/10.1117/12.2560053

KEYWORDS: Imaging systems, Adaptive optics, Optimization (mathematics), Wavefront sensors, Control systems, Telescopes, Mirrors, Evolutionary algorithms, Neural networks, Computer simulations

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Showing 5 of 10 publications

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