Dr. Tiphaine Lagadec Profile

Dr. Tiphaine Lagadec

at Australian National Univ

SPIE Involvement:

Author

Publications (16)

SPIE Journal Paper | 30 November 2023 Open Access

Open Access

Machine-learning approach for optimal self-calibration and fringe tracking in photonic nulling interferometry

Barnaby Norris, Marc-Antoine Martinod, Peter Tuthill, Simon Gross, Nick Cvetojevic, Nemanja Jovanovic, Tiphaine Lagadec, Teresa Klinner-Teo, Olivier Guyon, Julien Lozi, Vincent Deo, Sébastien Vievard, Alex Arriola, Thomas Gretzinger, Jonathan Lawrence, Michael Withford

JATIS, Vol. 9, Issue 04, 048005, (November 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.4.048005

KEYWORDS: Calibration, Data modeling, Signal to noise ratio, Education and training, Nulling interferometry, Equipment, Point spread functions, Wavefronts, Sensors, Optical path differences

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SPIE Journal Paper | 11 October 2023

Pyxis: a ground-based demonstrator for formation-flying optical interferometry

Jonah Hansen, Samuel Wade, Michael Ireland, Tony Travouillon, Tiphaine Lagadec, Nicholas Herrald, Joice Mathew, Stephanie Monty, Adam Rains

JATIS, Vol. 9, Issue 04, 045001, (October 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.4.045001

KEYWORDS: Metrology, Stars, Cameras, Telescopes, Beam combiners, Control systems, Sensors, Optical interferometry, Robots, Astronomical interferometers

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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 | 26 August 2022 Presentation + Paper

Presentation + Paper

Optimal self-calibration and fringe tracking in photonic nulling interferometers using machine learning

Barnaby R. Norris, Marc-Antoine Martinod, Peter Tuthill, Simon Gross, Nick Cvetojevic, Nemanja Jovanovic, Tiphaine Lagadec, Teresa Klinner-teo, Olivier Guyon, Julien Lozi, Vincent Deo, Sébastien Vievard, Alex Arriola, Thomas Gretzinger, Jon Lawrence, Michael Withford

Proceedings Volume 12183, 121831J (2022) https://doi.org/10.1117/12.2629873

KEYWORDS: Data modeling, Calibration, Wavefronts, Signal to noise ratio, Point spread functions, Nulling interferometry, Adaptive optics, Telescopes, Sensors, Machine learning

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

Achromatic nulling interferometry and fringe tracking with 3D-photonic tricouplers with GLINT

Marc-Antoine Martinod, Teresa Klinner-Teo, Peter Tuthill, Simon Gross, Elizabeth Arcadi, Glen Douglass, Jacinda Webb, Barnaby Norris, Olivier Guyon, Julien Lozi, Tiphaine Lagadec, Nemanja Jovanovic, Nick Cvetojevic, Alexander Arriola, Thomas Gretzinger, Michael Withford, Jon Lawrence, Sergio Leon-Saval

Proceedings Volume 12183, 121830K (2022) https://doi.org/10.1117/12.2627978

KEYWORDS: Nulling interferometry, Waveguides, Stars, Exoplanets, Phase shifts, Telescopes, Integrated optics, Interferometry, Adaptive optics, Wavefronts

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

The Pyxis Interferometer (I): scientific context, metrology system, and optical design

Jonah Hansen, Michael Ireland, Tony Travouillon, Samuel Wade, Michael Ellis, Steven Ellis, Shanae King, Tiphaine Lagadec, Joice Mathew, Patrick Miller, Stephanie Monty, Adam Rains, Thomas Scott, Hancheng Shao

Proceedings Volume 12183, 121831B (2022) https://doi.org/10.1117/12.2627768

KEYWORDS: Metrology, Interferometry, Interferometers, Telescopes, Spectrographs, Planets, Stars, Optical design

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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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SPIE Journal Paper | 12 May 2022

Interferometric beam combination with a triangular tricoupler photonic chip

Jonah Hansen, Michael Ireland, Andrew Ross-Adams, Simon Gross, Tiphaine Lagadec, Tony Travouillon, Joice Mathew

JATIS, Vol. 8, Issue 02, 025002, (May 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.2.025002

KEYWORDS: Visibility, Interferometry, Waveguides, Interferometers, Polarization, Optical fibers, Beam splitters, Modulation, Phase shifts, Integrated optics

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Proceedings Article | 1 September 2021 Presentation + Paper

Presentation + Paper

Very high resolution spectro-interferometry with wavefront sensing capabilities on Subaru/SCExAO using photonics

S. Vievard, K. Ahn, A. Arriola, K. Barjot, N. Cvetojevic, V. Deo, T. Gretzinger, S. Gross, O. Guyon, E. Huby, N. Jovanovic, T. Kotani, S. Lacour, T. Lagadec, M. Lallement, V. Lapeyrere, J. Lozi, F. Marchis, G. Martin, M.-A. Martinod, B. Norris, G. Perrin, D. Rouan, N. Skaf, P. Tuthill, M. Withford, G. Duchêne

Proceedings Volume 11823, 118230C (2021) https://doi.org/10.1117/12.2594840

KEYWORDS: Telescopes, Wavefront sensors, Single mode fibers, Stars, Optical fibers, Interferometry, Diffraction, Wavefronts, Spatial resolution, Photonics

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Linear formation-flying astronomical interferometry in low-Earth orbit: a feasibility study

Jonah Hansen, Michael Ireland, Tony Travouillon, Tiphaine Lagadec, Joice Mathew, Nicholas Herrald

Proceedings Volume 11443, 1144366 (2020) https://doi.org/10.1117/12.2560890

KEYWORDS: Astronomical interferometry, Interferometry, Spatial resolution, Astrophysics, Exoplanets, Earth's atmosphere, Optical instrument design, Telescopes, Space operations, Satellites

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Compact unambiguous differential path-length metrology with dispersed Fabry-Perot laser diodes for a space interferometer array

T. Lagadec, M. Ireland, J. Hansen, J. Mathew, T. Travouillon, S. Madden

Proceedings Volume 11446, 114462F (2020) https://doi.org/10.1117/12.2561927

KEYWORDS: Metrology, Fabry–Perot interferometers, Interferometers, Semiconductor lasers, Space operations, Phase measurement, Spatial resolution, Exoplanets, Interferometry, Global Positioning System

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Proceedings Article | 13 December 2020 Presentation

Presentation

The first multi-baseline and multi-band, photonic nuller at the Subaru telescope: the GLINT nulling interferometer

Marc-Antoine Martinod, Barnaby Norris, Tiphaine Lagadec, Nemanja Jovanovic, Nick Cvetojevic, Simon Gross, Alexander Arriola, Thomas Gretzinger, Michael Withford, Olivier Guyon, Julien Lozi, Jon Lawrence, Peter Tuthill, Sergio Leon-Saval

Proceedings Volume 11446, 114460G (2020) https://doi.org/10.1117/12.2560857

KEYWORDS: Nulling interferometry, Telescopes, Interferometers, Exoplanets, Atmospheric optics, Adaptive optics, Optical instrument design, Spatial resolution, Destructive interference, Prototyping

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Proceedings Article | 3 January 2020 Paper

Paper

Imaging exoplanets with nulling interferometry using integrated-photonics: the GLINT project

M. Martinod, B. Norris, S. Gross, A. Arriola, T. Gretzinger, M. Withford, T. Lagadec, P. Tuthill

Proceedings Volume 11203, 112030R (2020) https://doi.org/10.1117/12.2539790

KEYWORDS: Exoplanets, Nulling interferometry, Photonics, Interferometry, Telescopes, Diffraction, Imaging spectroscopy, Waveguides, Stars, Astronomy

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Proceedings Article | 9 July 2018 Presentation + Paper

Presentation + Paper

GLINT South: a photonic nulling interferometer pathfinder at the Anglo-Australian Telescope for high contrast imaging of substellar companions

Tiphaine Lagadec, Barnaby Norris, Simon Gross, Alexander Arriola, Thomas Gretzinger, Nick Cvetojevic, Jon Lawrence, Michael Withford, Peter Tuthill

Proceedings Volume 10701, 107010V (2018) https://doi.org/10.1117/12.2313171

KEYWORDS: Stars, Waveguides, Telescopes, Nulling interferometry, Segmented mirrors, Planets, Astronomy, Mirrors, Adaptive optics, Glasses

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Proceedings Article | 26 July 2016 Paper

Paper

The SCExAO high contrast imager: transitioning from commissioning to science

N. Jovanovic, O. Guyon, J. Lozi, T. Currie, J. Hagelberg, B. Norris, G. Singh, P. Pathak, D. Doughty, S. Goebel, J. Males, J. Kuhn, E. Serabyn, P. Tuthill, G. Schworer, F. Martinache, T. Kudo, H. Kawahara, T. Kotani, M. Ireland, T. Feger, A. Rains, J. Bento, C. Schwab, D. Coutts, N. Cvetojevic, S. Gross, A. Arriola, T. Lagadec, J. Kasdin, T. Groff, B. Mazin, Y. Minowa, N. Takato, M. Tamura, H. Takami, M. Hayashi

Proceedings Volume 9909, 99090W (2016) https://doi.org/10.1117/12.2234294

KEYWORDS: Adaptive optics, Imaging systems, Stars, Telescopes, Calibration, Visible radiation, Spectrographs, Speckle, Cameras, Prisms

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Proceedings Article | 24 July 2014 Paper

Paper

Stellar intensity interferometry over kilometer baselines: laboratory simulation of observations with the Cherenkov Telescope Array

Dainis Dravins, Tiphaine Lagadec

Proceedings Volume 9146, 91460Z (2014) https://doi.org/10.1117/12.2055131

KEYWORDS: Atmospheric Cherenkov telescopes, Telescopes, Interferometry, Stars, Sensors, Space telescopes, Interferometers, Spatial coherence, Optical correlators, Light scattering

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Showing 5 of 16 publications

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