Dr. Prashant Pathak Profile

Dr. Prashant Pathak

at Univ of Liège

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Author

Publications (7)

Proceedings Article | 28 August 2024 Poster

Characterizing water vapour seeing for METIS HCI

Prashant Pathak, Olivier Absil, Ben Courtney-Barrer, Christian Delacroix, Gilles Orban de Xivry, Julien Woillez, Alexis Matter, Philippe Bério, Roy van Boekel

Proceedings Volume 13097, 130974C (2024) https://doi.org/10.1117/12.3019987

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Proceedings Article | 27 August 2024 Poster + Paper

ALF: an asymmetric Lyot wavefront sensor for the ELT/METIS vortex coronagraph

G. Orban de Xivry, O. Absil, C. Delacroix, P. Pathak, M. Quesnel, T. Bertram

Proceedings Volume 13097, 130973Z (2024) https://doi.org/10.1117/12.3019159

KEYWORDS: Coronagraphy, Wavefront sensors, Wavefront errors, Sensors, Error analysis, Equipment, Education and training, Mid infrared, Machine learning, Device simulation

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Proceedings Article | 18 July 2024 Poster + Paper

METIS high-contrast imaging: from final design to manufacturing and testing

Olivier Absil, Matthew Kenworthy, Christian Delacroix, Gilles Orban de Xivry, Lorenzo König, Prashant Pathak, David Doelman, Emiel Por, Frans Snik, Joost van den Born, Faustine Cantalloube, Alexis Carlotti, Benjamin Courtney-Barrer, Pontus Forsberg, Mikael Karlsson, Thomas Bertram, Roy van Boekel, Dennis Dolkens, Markus Feldt, Adrian Glauser, Eric Pantin, Sascha Quanz, Felix Bettonvil, Bernhard Brandl

Proceedings Volume 13096, 1309652 (2024) https://doi.org/10.1117/12.3019692

KEYWORDS: Coronagraphy, Design, Point spread functions, Manufacturing, Simulations, Wavefront sensors, Equipment, Wavefront errors, Sensors, Adaptive optics

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Proceedings Article | 30 August 2022 Presentation + Paper

Lessons learned from the NEAR experiment and prospects for the upcoming mid-IR HCI instruments

Prashant Pathak, Markus Kasper, Olivier Absil, Gilles Orban de Xivry, Ulli Käufl, Gerd Jakob, Ralf Siebenmorgen, Serban Leveratto, Eric Pantin

Proceedings Volume 12185, 121851T (2022) https://doi.org/10.1117/12.2630040

KEYWORDS: Human-computer interaction, Mid-IR, Coronagraphy, Point spread functions, Planets, Exoplanets, Image processing, Sensors, Adaptive optics, Digital filtering

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Proceedings Article | 30 August 2022 Presentation + Paper

ESO’s ultra-fast wavefront sensor unveils the mysteries of deformable mirrors’ temporal behaviour

S. Ströbele, L. Pettazzi, J. Charton, P.-Y. Madec, P. Pathak, M. Kasper

Proceedings Volume 12185, 1218526 (2022) https://doi.org/10.1117/12.2627917

KEYWORDS: Actuators, Cameras, Adaptive optics, Deformable mirrors, Phase measurement, Wavefronts, Wavefront sensors

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Proceedings Article | 30 August 2022 Presentation + Paper

Impact of water vapor seeing on mid-infrared high-contrast imaging at ELT scale

Olivier Absil, Christian Delacroix, Gilles Orban de Xivry, Prashant Pathak, Matthew Willson, Philippe Berio, Roy van Boekel, Alexis Matter, Denis Defrère, Leo Burtscher, Julien Woillez, Bernhard Brandl

Proceedings Volume 12185, 1218511 (2022) https://doi.org/10.1117/12.2627972

KEYWORDS: Wavefronts, Turbulence, Refractive index, Water, Mid-IR, Phase measurement, Wavefront sensors, Coronagraphy

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Proceedings Article | 25 August 2022 Presentation + Paper

The High-contrast End-to-End Performance Simulator (HEEPS): influence of ELT/METIS instrumental effects

Christian Delacroix, Olivier Absil, Gilles Orban de Xivry, Muskan Shinde, Prashant Pathak, Faustine Cantalloube, Brunella Carlomagno, Valentin Christiaens, André Boné, Dennis Dolkens, Matthew Kenworthy, David Doelman

Proceedings Volume 12187, 121870F (2022) https://doi.org/10.1117/12.2630341

KEYWORDS: Human-computer interaction, Coronagraphy, L band, Point spread functions, Device simulation, Colorimetry, Stars, Image segmentation, Photovoltaics, Thermal effects

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Showing 5 of 7 publications

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