Dr. Romain Laugier Profile

Dr. Romain Laugier

at KU Leuven

SPIE Involvement:

Author

Publications (17)

SPIE Journal Paper | 15 February 2024

Asgard/NOTT: L-band nulling interferometry at the VLTI. II. Warm optical design and injection system

Germain Garreau, Azzurra Bigioli, Romain Laugier, Gert Raskin, Johan Morren, Jean-Philippe Berger, Colin Dandumont, Harry-Dean Kenchington Goldsmith, Simon Gross, Michael Ireland, Lucas Labadie, Jérôme Loicq, Stephen Madden, Guillermo Martin, Marc-Antoine Martinod, Alexandra Mazzoli, Ahmed Sanny, Hancheng Shao, Kunlun Yan, Denis Defrère

JATIS, Vol. 10, Issue 01, 015002, (February 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.1.015002

KEYWORDS: Nulling interferometry, Wavefront errors, Optical design, Equipment, Polarization, Optical path differences, L band, Design, Birefringence, Error analysis

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SPIE Journal Paper | 27 June 2023

High-angular resolution and high contrast observations from Y to L band at the Very Large Telescope Interferometer with the Asgard Instrumental suite

Marc-Antoine Martinod, Denis Defrère, Michael Ireland, Stefan Kraus, Frantz Martinache, Peter Tuthill, Azzurra Bigioli, Emilie Bouzerand, Julia Bryant, Sorabh Chhabra, Benjamin Courtney-Barrer, Fred Crous, Nick Cvetojevic, Colin Dandumont, Steve Ertel, Tyler Gardner, Germain Garreau, Adrian Glauser, Lucas Labadie, Tiphaine Lagadec, Romain Laugier, Alexandra Mazzoli, Daniel Mortimer, Barnaby R. Norris, Gert Raskin, Gordon Robertson, Ahmed Sanny, Adam Taras

JATIS, Vol. 9, Issue 02, 025007, (June 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.2.025007

KEYWORDS: Equipment, Stars, L band, Exoplanets, Astronomical interferometers, Nulling interferometry, Imaging systems, Spatial resolution, Planets, Planetary systems

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Proceedings Article | 29 August 2022 Presentation

Presentation

Closed-loop on-chip phase control and fringe tracking in photonic interferometers

Nick Cvetojevic, Frantz Martinache, Peter Chingaipe, Romain Laugier, Mamadou N'Diaye, Roxanne Ligi, David Mary

Proceedings Volume 12183, 1218318 (2022) https://doi.org/10.1117/12.2630002

KEYWORDS: Interferometers, Phase interferometry, Nulling interferometry, Waveguides, Telescopes, Adaptive optics, Actuators, Time metrology, Thermal optics, Servomechanisms

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Proceedings Article | 26 August 2022 Poster + Paper

Poster + Paper

Technical requirements and optical design of the Hi-5 spectrometer

C. Dandumont, A. Mazzoli, V. Laborde, R. Laugier, A. Bigioli, G. Garreau, S. Gross, M. Ireland, H.-D. Kenchington Goldsmith, L. Labadie, M.-A. Martinod, G. Raskin, A. Sanny, J. Loicq, D. Defrère

Proceedings Volume 12183, 121831Y (2022) https://doi.org/10.1117/12.2627939

KEYWORDS: Spectroscopy, Polarization, Spectral resolution, Optical design, Diffraction, Sensors, Diffraction gratings, Point spread functions, Germanium, Telescopes

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

L-band nulling interferometry at the VLTI with Asgard/Hi-5: status and plans

Denis Defrère, Azzurra Bigioli, Colin Dandumont, Germain Garreau, Romain Laugier, Marc-Antoine Martinod, Olivier Absil, Jean-Philippe Berger, Emilie Bouzerand, Benjamin Courtney-Barrer, Alexandre Emsenhuber, Steve Ertel, Jonathan Gagne, Adrian Glauser, Simon Gross, Michael Ireland, Harry-Dean Kenchington, Jacques Kluska, Stefan Kraus, Lucas Labadie, Viktor Laborde, Alain Léger, Jarron Leisenring, Jérôme Loicq, Guillermo Martin, Johan Morren, Alexis Matter, Alexandra Mazzoli, Kwinten Missiaen, Salman Muhammad, Marc Ollivier, Gert Raskin, Hélène Rousseau, Ahmed Sanny, Simon Verlinden, Bart Vandenbussche, Julien Woillez

Proceedings Volume 12183, 121830H (2022) https://doi.org/10.1117/12.2627953

KEYWORDS: Stars, Planets, Exoplanets, Nulling interferometry, L band, Telescopes, Interferometers, Astronomy, Spectral resolution, Interferometry

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

High-angular and high-contrast VLTI observations from Y to M band with the Asgard instrumental suite

Marc-Antoine Martinod, Denis Defrère, Michael Ireland, Stefan Kraus, Frantz Martinache, Peter Tuthill, Azzurra Bigioli, Julia Bryant, Sorabh Chhabra, Benjamin Courtney-Barrer, Fred Crous, Nick Cvetojevic, Colin Dandumont, Germain Garreau, Tiphaine Lagadec, Romain Laugier, Daniel Mortimer, Barnaby Norris, Gordon Robertson, Adam Taras

Proceedings Volume 12183, 1218310 (2022) https://doi.org/10.1117/12.2628151

KEYWORDS: Sensors, Mirrors, Cameras, Lawrencium, Camera shutters, L band, Interferometers, Calibration, Spectral resolution, Spatial resolution

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Proceedings Article | 26 August 2022 Poster + Paper

Poster + Paper

The expected performance of nulling at the VLTI down to five mas

Romain Laugier, Denis Defrère, Alexis Matter, Simon Gross, Benjamin Courtney-Barrer, Felix Dannert, Julien Woillez, Olivier Absil, Colin Dandumont

Proceedings Volume 12183, 1218321 (2022) https://doi.org/10.1117/12.2629292

KEYWORDS: Stars, Nulling interferometry, Error analysis, Monte Carlo methods, Dispersion, Spectral resolution, Sensors, Planets, Wavefronts

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Proceedings Article | 26 August 2022 Poster + Paper

Poster + Paper

VLTI/Hi-5: detection yield predictions for young giant exoplanets

C. Dandumont, R. Laugier, A. Emsenhuber, J. Gagne, O. Absil, A. Bigioli, M. Bonavita, G. Garreau, M. Ireland, M.-A. Martinod, J. Loicq, D. Defrère

Proceedings Volume 12183, 1218327 (2022) https://doi.org/10.1117/12.2627942

KEYWORDS: Stars, Planets, Exoplanets, Systems modeling, Atmospheric modeling, Statistical modeling, Astatine, Planetary systems, Spatial resolution, Error analysis

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Proceedings Article | 26 August 2022 Poster + Paper

Poster + Paper

Towards a better understanding of OPD limitations for higher sensitivity and contrast at the VLTI

B. Courtney-Barrer, J. Woillez, R. Laugier, A. Bigioli, N. Schuhler, P. Guajardo, V. Lizana, N. Behara, F. Eisenhauer, M. Ireland, X. Haubois, D. Defrère

Proceedings Volume 12183, 1218328 (2022) https://doi.org/10.1117/12.2628835

KEYWORDS: Mirrors, Telescopes, Waveguides, Oscillators, Wavefronts, Astatine, Atmospheric modeling, Adaptive optics, Waveguide modes, Digital filtering

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

Development of the four-telescope photonic nuller of Hi-5 for the characterization of exoplanets in the mid-IR

A. Sanny, S. Gross, L. Labadie, D. Defrère, A. Bigioli, R. Laugier, C. Dandumont, M. Withford

Proceedings Volume 12183, 1218316 (2022) https://doi.org/10.1117/12.2628903

KEYWORDS: Directional couplers, Nulling interferometry, Interferometry, Waveguides, Photometry, Integrated optics, Mid-IR

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Proceedings Article | 26 August 2022 Poster + Paper

Poster + Paper

Design of the VLTI/Hi-5 light injection system

G. Garreau, A. Bigioli, G. Raskin, J.-P. Berger, C. Dandumont, H.-D. Kenchington Goldsmith, S. Gross, M. Ireland, L. Labadie, R. Laugier, J. Loicq, S. Madden, G. Martin, A. Mazzoli, J. Morren, H. Shao, K. Yan, D. Defrère

Proceedings Volume 12183, 1218320 (2022) https://doi.org/10.1117/12.2629180

KEYWORDS: Mirrors, Zemax, Wavefronts, Tolerancing, Photonics, Nulling interferometry, Error analysis, Telescopes, Optical design

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Proceedings Article | 26 August 2022 Poster + Paper

Poster + Paper

Measuring and compensating vibrations at the VLTI: MANHATTAN-II self-intrinsic noise and hardware extension

A. Bigioli, B. Courtney-Barrer, R. Abuter, F. Eisenhauer, F. Gonte, R. Laugier, G. Raskin, M. Riquelme, M. Salman, N. Schuhler, J. Woillez, D. Defrère

Proceedings Volume 12183, 121831Z (2022) https://doi.org/10.1117/12.2629168

KEYWORDS: Vibration control, Sensors, Mirrors, Optical amplifiers, Telescopes, Amplifiers, Interferometry, Fringe analysis, Atmospheric modeling

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

Statistical tests with multi-wavelength Kernel-phase analysis for the detection and characterization of planetary companions

Mamadou N'Diaye, David Mary, Frantz Martinache, Roxanne Ligi, Nick Cvetojevic, Peter Chingaipe, Romain Laugier

Proceedings Volume 12183, 121831M (2022) https://doi.org/10.1117/12.2629961

KEYWORDS: Stars, Statistical analysis, Sensors, Planets, Telescopes, Adaptive optics, Spectral resolution, Monte Carlo methods, Exoplanets

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

Beam combiner for the Asgard/BIFROST instrument

Daniel Mortimer, Sorabh Chhabra, Stefan Kraus, Narsireddy Anugu, Romain Laugier, Jean-Baptiste Le Bouquin, John Monnier

Proceedings Volume 12183, 121831U (2022) https://doi.org/10.1117/12.2629268

KEYWORDS: Signal to noise ratio, Single mode fibers, Visibility, Photons, Spatial frequencies, Spectral resolution

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Status of the SCExAO instrument: recent technology upgrades and path to a system-level demonstrator for PSI

Julien Lozi, Olivier Guyon, Sébastien Vievard, Ananya Sahoo, Vincent Deo, Nemanja Jovanovic, Barnaby Norris, Marc-Antoine Martinod, Ben Mazin, Alex Walter, Neelay Fruitwala, Sarah Steiger, Kristina Davis, Peter Tuthill, Tomoyuki Kudo, Hajime Kawahara, Takayuki Kotani, Michael Ireland, Theodoros Anagnos, Chrstian Schwab, Nick Cvetojevic, Elsa Huby, Sylvestre Lacour, Kevin Barjot, Tyler Groff, Jeffrey Chilcote, Jeremy Kasdin, Frantz Martinache, Romain Laugier, Mamadou N'Diaye, Justin Knight, Jared Males, Steven Bos, Frans Snik, David Doelman, Kelsey Miller, Eduardo Bendek, Ruslan Belikov, Eugene Pluzhnik, Thayne Currie, Masayuki Kuzuhara, Taichi Uyama, Jun Nishikawa, Naoshi Murakami, Jun Hashimoto, Yosuke Minowa, Christophe Clergeon, Yoshito Ono, Naruhisa Takato, Motohide Tamura, Hideki Takami, Masa Hayashi

Proceedings Volume 11448, 114480N (2020) https://doi.org/10.1117/12.2562832

KEYWORDS: Imaging systems, Telescopes, Infrared sensors, Infrared imaging, Coronagraphy, Wavefront sensors, Sensors, Detection and tracking algorithms, Cameras, Wavefronts

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Proceedings Article | 13 December 2020 Paper

Paper

Review and scientific prospects of high-contrast optical stellar interferometry

D. Defrère, O. Absil, J.-P. Berger, W. C. Danchi, C. Dandumont, F. Eisenhauer, S. Ertel, T. Gardner, A. Glauser, P. Hinz, M. Ireland, J. Kammerer, S. Kraus, L. Labadie, S. Lacour, R. Laugier, J. Loicq, G. Martin, F. Martinache, M. A. Martinod, B. Mennesson, J. Monnier, B. Norris, M. Nowak, J. U. Pott, S. Quanz, E. Serabyn, J. Stone, P. Tuthill, J. Woillez

Proceedings Volume 11446, 114461J (2020) https://doi.org/10.1117/12.2561505

KEYWORDS: Stellar interferometry, Interferometry, Nulling interferometry, Data acquisition, Stars, Adaptive optics, Integrated optics, Calibration, Large telescopes

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Reconciling kernel-phase and coronagraphy: new steps towards combining the performance of opposing techniques

Romain Laugier, Frantz Martinache, Mamadou N'Diaye, Nick Cvetojevic

Proceedings Volume 11446, 114461Q (2020) https://doi.org/10.1117/12.2562303

KEYWORDS: Coronagraphy, Stars, Wavefronts, Spatial resolution, Feature extraction, Diffraction, Image analysis, Fourier transforms, Telescopes, Apodization

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Showing 5 of 17 publications

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