Dr. Thomas Gretzinger Profile

Dr. Thomas Gretzinger

at Macquarie Univ

SPIE Involvement:

Author

Publications (9)

SPIE Journal Paper | 30 November 2023 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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Proceedings Article | 26 August 2022 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

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 | 1 September 2021 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 Paper

Towards the development of mid-infrared integrated optics in the renewed context of high-contrast interferometry

Tarun Kumar Sharma, Lucas Labadie, Dominik Strixner, Simon Gross, Thomas Gretzinger, Sascha Quanz, Denis Defrère, Sanny Ahmed, Michael Withford

Proceedings Volume 11446, 1144618 (2020) https://doi.org/10.1117/12.2561022

KEYWORDS: Interferometry, Mid-IR, Integrated optics, Nulling interferometry, Data processing, New and emerging technologies, Space operations, Exoplanets, Manufacturing, Chalcogenide glass

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Proceedings Article | 13 December 2020 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

Ultrafast laser inscription of astrophotonic integrated optical circuits

S. Gross, T. Gretzinger, A. Arriola, G. Douglass, A. Ross-Adams, T. Fernandez, M. Withford

Proceedings Volume 11203, 112030W (2020) https://doi.org/10.1117/12.2549180

KEYWORDS: Waveguides, Ultrafast lasers, Astrophotonics, Photonic integrated circuits, Photonics, Glasses, Astronomy, Optical circuits, Rapid manufacturing

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Proceedings Article | 3 January 2020 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

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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Showing 5 of 9 publications

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