Dr. Guillaume Bourdarot Profile

Dr. Guillaume Bourdarot

Nobel Laureate Fellow at Max Planck Institute for Extraterrestrial Physics

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 28 August 2024 Presentation + Paper

Presentation + Paper

GRAVITY+ Wide: towards hundreds of z ∼ 2 AGN, larger throughput and improved vibrational control

Maximilian Fabricius, Julien Woillez, Roberto Abuter, Guillaume Bourdarot, Pierre Bourget, Wolfgang Brandner, Amit Brara, Denis Defrère, Antonia Drescher, Frank Eisenhauer, Helmut Feuchtgruber, Robert Frahm, Reinhard Genzel, Stefan Gillessen, Frédéric Gonté, Vishaal Gopinath, Jonas Graf, Michael Hartl, Frank Haußmann, Sebastian Hönig, Matthew Horrobin, Paulo J. Garcia, Tilo Jilg, Laura Kreidberg, Romain Laugier, Jean-Baptiste Le Bouquin, Mari Lena Bolzer, Dieter Lutz, Nikhil More, Thomas Ott, Hakan Özdemir, Thibaut Paumard, Karine Perraut, Guy Perrin, Christian Rau, Christian Rehm, Jonas Sauter, Nicolas Schuhler, Daniel Schuppe, Jinyi Shangguan, Taro Shimizu, Christian Straubmeier, Matthias Subroweit, Sinem Uysal, Patrick Wessely, Felix Widmann, Ekkehard Wieprecht, Lukas Wimmer, Senol Yazici, Hagen Prowatke, Ralf Böttcher

Proceedings Volume 13095, 130950B (2024) https://doi.org/10.1117/12.3019984

KEYWORDS: Astronomical interferometers, Control systems, Beam path, Mirrors, Vibration, Vibration control, Telescopes, Optical benches, Optical path differences

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Proceedings Article | 28 August 2024 Poster + Paper

Poster + Paper

GRAVITY+ adaptive optics (GPAO) tests in Europe

Florentin Millour, Guillaume Bourdarot, Jean-Baptiste Le Bouquin, Anthony Berdeu, Mathis Houllé, Philippe Berio, Thibaut Paumard, Denis Defrère, Paulo Garcia, Ferreol Soulez, Sebastian Hoenig, Fatmé Allouche, Martin Bachbucher, Christophe Bailet, Cyrille Blanchard, Olivier Boebion, Henri Bonnet, Amit Brara, Marcel Carbillet, Stephan Czempiel, Alain Delboulbé, Roderick Dembet, Clémence Edouard, Frank Eisenhauer, Helmut Feuchtgruber, Christoph Furchstsam, Stefan Gillessen, Armin Goldbrunner, Tiago Gomes, Carole Gouvvret, Sylvain Guieu, Mike Hartl, Johannes Hartwig, Frank Haussmann, David Huber, Ihsan Ibn Taïeb, Johann Kolb, Stéphane Lagarde, Olivier Lai, James Leftley, Dieter Lutz, Yves Magnard, Aurélie Marcotto, Hugo Nowacki, Sylvain Oberti, Thomas Ott, Christian Rau, Sylvie Robbe-Dubois, Jules Scigliuto, Franz Soller, Pavel Shchekaturov, Daniel Schuppe, Eric Stadler, Sinem Uysal, Felix Widmann, Ekherhard Wieprecht, Julien Woillez, Şenol Yazici

Proceedings Volume 13095, 1309520 (2024) https://doi.org/10.1117/12.3020269

KEYWORDS: Matrices, Adaptive optics, Wavefront sensors, Calibration, Cameras, Point spread functions, Telescopes, Optical testing, Laser guide stars, Real-time computing

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Proceedings Article | 28 August 2024 Poster + Paper

Poster + Paper

Opto-mechanical design of GRAVITY+ wavefront sensor

Nikhil More, Reinhard Genzel, Frank Eisenhauer, Dieter Lutz, Stefan Gillessen, Josef Schubert, Michael Hartl, Frank Haussmann, Christian Rehm, Harald Weisz, Şenol Yazici, Helmut Feuchtgruber, Christian Rau, Sinem Uysal, Guillaume Bourdarot, Ekkehard Wieprecht, Thomas Ott, Maximilian Fabricius, Felix Widmann, Antonia Drescher, Jingyi Shangguan, Taro Shimizu, Frederic Gonté, Julien Woillez, Nicolas Schuhler, Pierre Bourget, Sylvain Oberti, Jean-Baptiste Le Bouquin, Thibaut Paumard, Florentine Millour, Christian Straubmeier, Laura Kreidberg, Paulo Garcia, Tiago Gomes, Sebastian Hoenig, Denis Defrére

Proceedings Volume 13095, 130952E (2024) https://doi.org/10.1117/12.3018880

KEYWORDS: Wavefront sensors, Design, Adaptive optics, Sensors, Beam splitters, Interfaces, Tolerancing, Telescopes

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Proceedings Article | 28 August 2024 Presentation

Presentation

GRAVITY+ wavefront sensors: high-contrast, laser guide star, adaptive optics systems for the VLTI

Guillaume Bourdarot, Frank Eisenhauer, Şenol Yazıcı, Helmut Feuchtgruber, Jean-Baptiste Le Bouquin, Michael Hartl, Christian Rau, Jonas Graf, Nikhil More, Ekkehard Wieprecht, Frank Haussmann, Felix Widmann, Dieter Lutz, Reinhard Genzel, Frederic Gonté, Sylvain Oberti, Johann Kolb, Julien Woillez, Henri Bonnet, Daniel Schuppe, Amit Brara, Johannes Hartwig, Armin Goldbrunner, Christoph Furchtsam, Franz Soller, Stefan Czempiel, Johann Eibl, David Huber, Sinem Uysal, Irmgard Treffler, Hakan Özdemir, Vishaal Gopinath, Pierre Bourget, Anthony Berdeu, Stefan Gillessen, Thomas Ott, Philippe Berio, Olivier Boebion, Florentin Millour, Roderick Dembet, Clémence Edouard, Tiago Gomes, Taro Shimizu, Antonia Drescher, Maximilian Fabricius, Jinyi Shangguan, Stéphane Lagarde, Sylvie Robbe-Dubois, Fatmé Allouche, Hugo Nowacki, Denis Defrère, Paulo J. Garcia, Sebastian Hoenig, Laura Kreidberg, Thibaut Paumard, Christian Straubmeier

Proceedings Volume 13095, 130950N (2024) https://doi.org/10.1117/12.3018388

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Proceedings Article | 28 August 2024 Presentation

Presentation

Heterodyne IR interferometry and technologies for kilometric baseline interferometry

Guillaume Bourdarot

Proceedings Volume 13095, 130950V (2024) https://doi.org/10.1117/12.3029484

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Proceedings Article | 28 August 2024 Presentation

Presentation

New GRAVITY+ observing modes to push for fainter and more precise observations

Antonia Drescher, Michaela Benthaus, Guillaume Bourdarot, Wolfgang Brandner, Denis Defrère, Frank Eisenhauer, Maximilian Fabricius, Helmut Feuchtgruber, Paulo Garcia, Reinhard Genzel, Stefan Gillessen, Frederic Gonte, Jonas Graf, Michael Hartl, Frank Haussmann, Sebastian Hönig, Laura Kreidberg, Jean-Baptiste Le Bouquin, Dieter Lutz, Felix Mang, Florentin Millour, Nikki More, Thomas Ott, Thibaut Paumard, Karine Perraut, Guy Perrin, Christian Rau, Jingyi Shangguan, Taro Shimizu, Christian Straubmeier, Matthias Subroweit, Sinem Uysal, Sebastiano von Fellenberg, Felix Widmann, Ekkehard Wieprecht, Julien Woillez, Senol Yazici

Proceedings Volume 13095, 130950O (2024) https://doi.org/10.1117/12.3018972

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Proceedings Article | 28 August 2024 Presentation

Presentation

Image reconstruction in optical/near-infrared interferometry with Information Field Theory

Felix Mang, Guillaume Bourdarot, Wolfgang Brandner, Antonia Drescher, Frank Eisenhauer, Torsten Enßlin, Helmut Feuchtgruber, Gert Finger, Natascha Förster Schreiber, Paulo J. Garcia, Reinhard Genzel, Stefan Gillessen, Michael Hartl, Jakob Knollmüller, Jean-Baptiste Le Bouquin, Dieter Lutz, Nikhil More, Thomas Ott, Thibaut Paumard, Karine Perraut, Guy Perrin, Sebastian Rabien, Diogo Ribeiro, Matteo Sadun Bordoni, Jinyi Shangguan, Taro Shimizu, Julia Stadler, Christian Straubmeier, Eckhard Sturm, Linda Tacconi, Sebastiano von Fellenberg, Felix Widmann, Ekkehard Wieprecht, Julien Woillez

Proceedings Volume 13095, 1309518 (2024) https://doi.org/10.1117/12.3020088

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Proceedings Article | 27 August 2024 Presentation + Paper

Presentation + Paper

Open loop calibration and closed loop non-perturbative estimation of the lateral errors of an adaptive optics system: examples with GRAVITY+ and CHARA experimental data

Anthony Berdeu, Henri Bonnet, Jean-Baptiste Le Bouquin, Johann Kolb, Guillaume Bourdarot, Philippe Berio, Thibaut Paumard, Frank Eisenhauer, Christian Straubmeier, Paulo Garcia, Sebastian Hönig, Florentin Millour, Laura Kreidberg, Denis Defrère, Ferréol Soulez, Denis Mourard, Gail Schaefer, Narsireddy Anugu

Proceedings Volume 13097, 130970T (2024) https://doi.org/10.1117/12.3019843

KEYWORDS: Adaptive optics, Wavefront sensors, Error analysis, Turbulence, Actuators, Calibration, Spatial frequencies

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Proceedings Article | 27 August 2024 Poster + Paper

Poster + Paper

Simplified model(s) of the GRAVITY+ adaptive optics system(s) for performance prediction

Anthony Berdeu, Jean-Baptiste Le Bouquin, Guillaume Mella, Laurent Bourgès, Jean-Philippe Berger, Guillaume Bourdarot, Thibaut Paumard, Frank Eisenhauer, Christian Straubmeier, Paulo Garcia, Sebastian Hönig, Florentin Millour, Laura Kreidberg, Denis Defrère, Ferréol Soulez, Taro Shimizu

Proceedings Volume 13097, 130976G (2024) https://doi.org/10.1117/12.3019865

KEYWORDS: Adaptive optics, Wavefront sensors, Turbulence, Photons, Stars, Laser guide stars, Calibration, Performance modeling

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Proceedings Article | 27 August 2024 Poster + Paper

Poster + Paper

Blind and robust reconstruction of adaptive optics point spread functions for asteroid deconvolution and moon detection

Anthony Berdeu, Ferréol Soulez, Kate Minker, Benoit Carry, Guillaume Bourdarot, Antoine Kaszczyc, Maud Langlois

Proceedings Volume 13097, 130977E (2024) https://doi.org/10.1117/12.3019874

KEYWORDS: Point spread functions, Data modeling, Adaptive optics, Asteroids, Blind deconvolution, Deconvolution, Convolution, Simulations

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Proceedings Article | 18 July 2024 Poster + Paper

Poster + Paper

Arrayed waveguide grating-based photonic spectrograph for the astronomical J band

V. Gopinath, O. Pfuhl, S. Lewis, S. Lévêque, N. Hubin, F. Eisenhauer, G. Bourdarot

Proceedings Volume 13096, 13096AB (2024) https://doi.org/10.1117/12.3016180

KEYWORDS: Arrayed waveguide gratings, Waveguides, Spectrographs, Astronomy, Spectral resolution, Chip manufacturing

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Proceedings Article | 11 March 2024 Presentation + Paper

Presentation + Paper

Multi-delay real-time photonic correlator for broadband RF signal processing

G. Bourdarot, J.-P. Berger, H. Guillet de Chatellus

Proceedings Volume 12885, 128850I (2024) https://doi.org/10.1117/12.3002288

KEYWORDS: Signal processing, Signal detection, Autocorrelation, Transmitters

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

Heterodyne interferometry: review and prospects

Guillaume Bourdarot

Proceedings Volume 12183, 1218312 (2022) https://doi.org/10.1117/12.2635601

KEYWORDS: Heterodyning, Telescopes, Mid-IR, Interferometry, Interferometers, Sensors, Oscillators, Infrared radiation, Infrared telescopes, Infrared imaging

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

On-sky demonstration at Palomar Observatory of the near-IR, high-resolution VIPA spectrometer

Alexis Carlotti, Alexis Bidot, David Mouillet, Jean-Jacques Correia, Laurent Jocou, Stephane Curaba, Alain Delboulbé, Etienne Le Coarer, Patrick Rabou, Guillaume Bourdarot, Thierry Forveille, Xavier Bonfils, Gautam Vasisht, Dimitri Mawet, Rick Burruss, Rebecca Oppenheimer, René Doyon, Etienne Artigau, Philippe Vallée

Proceedings Volume 12184, 121841I (2022) https://doi.org/10.1117/12.2628937

KEYWORDS: Spectroscopy, K band, Telescopes, Spectral resolution, Calibration, Adaptive optics, Exoplanets

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Proceedings Article | 29 August 2022 Presentation

Presentation

GRAVITY+ Astrometry: pushing micro-arcsecond precision with long baseline interferometry

Guillaume Bourdarot, Felix Widmann, Frank Eisenhauer, Sebastiano von Fellenberg, Stefan Gillessen, GRAVITY+ Collaboration

Proceedings Volume 12183, 121830S (2022) https://doi.org/10.1117/12.2628785

KEYWORDS: Interferometry, Polarization, Metrology, Infrared radiation, Fiber couplers, Exoplanets

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

A complete photonics correlation scheme for future mid-infrared heterodyne interferometry instrumentation

Guillaume Bourdarot, Jean-Philippe Berger, Tituan Allain, Hugues Guillet de Chatellus

Proceedings Volume 12183, 1218313 (2022) https://doi.org/10.1117/12.2630394

KEYWORDS: Heterodyning, Photonics, Mid-IR, Interferometry, Sensors, Telescopes, Quantum cascade lasers, Oscillators, Modulators, Signal to noise ratio

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

GRAVITY faint: reducing noise sources in GRAVITY+ with a fast metrology attenuation system

Felix Widmann, Stefan Gillessen, Thomas Ott, Taro Shimizu, Frank Eisenhauer, Maximilian Fabricius, Julien Woillez, Frédéric Gonté, Matthew Horrobin, Jingyi Shangguan, Senol Yazici, Guy Perrin, Thibaut Paumard, Wolfgang Brandner, Laura Kreidberg, Christian Straubmeier, Karin Perraut, Jean-Baptiste Le Bouquin, Paulo Garcia, Sebastian Hönig, Denis Defrère, Guillaume Bourdarot, Antonia Drescher, Helmut Feuchtgruber, Reinhard Genzel, Michael Hartl, Dieter Lutz, Nikhil More, Christian Rau, Sinem Uysal, Ekkehard Wieprecht

Proceedings Volume 12183, 121830U (2022) https://doi.org/10.1117/12.2628813

KEYWORDS: Astronomical interferometers, Near infrared, Metrology, Laser metrology, Sensors, Signal to noise ratio, Backscatter, Telescopes, Fourier transforms, Stars, Diodes, Fiber couplers

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

GRAVITY+ Wide: towards hundreds of z ~ 2 AGN

Antonia Drescher, Maximilian Fabricius, Taro Shimizu, Julien Woillez, Pierre Bourget, Felix Widmann, Jinyi Shangguan, Christian Straubmeier, Matthew Horrobin, Nicolas Schuhler, Frank Eisenhauer, Frederic Gonté, Stefan Gillessen, Thomas Ott, Guy Perrin, Thibaut Paumard, Wolfgang Brandner, Laura Kreidberg, Karine Perraut, Jean-Baptiste Le Bouquin, Paulo Garcia, Sebastian Hönig, Denis Defrère, Guillaume Bourdarot, Helmut Feuchtgruber, Reinhard Genzel, Michael Hartl, Frank Haussmann, Dieter Lutz, Nikhil More, Christian Rau, Jonas Sauter, Sinem Uysal, Patrick Wessely, Ekkehard Wieprecht, Lukas Wimmer, Senol Yazici

Proceedings Volume 12183, 121830T (2022) https://doi.org/10.1117/12.2628921

KEYWORDS: Fourier transforms, Visibility, Mirrors, Stars, Atmospheric turbulence, Atmospheric modeling, Adaptive optics, Relays, Turbulence

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Proceedings Article | 13 June 2022 Presentation

Presentation

Broadband analog photonic lag correlator for RF signal processing

Hugues Guillet de Chatellus, Guillaume Bourdarot, Jean-Philippe Berger

Proceedings Volume PC12108, (2022) https://doi.org/10.1117/12.2622196

KEYWORDS: Signal processing, Optical correlators, Analog electronics, Picosecond phenomena, Digital signal processing, Transmitters, Standards development, Signal detection, Signal analyzers, Physics

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Proceedings Article | 29 December 2020 Presentation + Paper

Presentation + Paper

V8: an 8 beam mid-infrared heterodyne instrument concept for the VLTI

Jean-Philippe Berger, Guillaume Bourdarot, Hugues Guillet de Chatellus

Proceedings Volume 11446, 1144613 (2020) https://doi.org/10.1117/12.2562385

KEYWORDS: Heterodyning, Mid-IR, Interferometry, Infrared telescopes, Infrared imaging, Infrared radiation, Telescopes, Fiber lasers, Planets, Imaging systems

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Proceedings Article | 21 December 2020 Presentation + Paper

Presentation + Paper

MACH II: Mach-Zehnder analog correlator for heterodyne infrared interferometry

Guillaume Bourdarot, Jean-Philippe Berger, Hugues Guillet de Chatellus, Jean-Baptiste Le Bouquin

Proceedings Volume 11446, 1144610 (2020) https://doi.org/10.1117/12.2562059

KEYWORDS: Optical correlators, Heterodyning, Infrared radiation, Analog electronics, Interferometry, Telescopes, Mid-IR, Infrared telescopes, Infrared detectors, Interferometers

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Proceedings Article | 13 December 2020 Presentation

Presentation

High-resolution spectroscopy of diffraction-limited sources: laboratory tests of an innovative near-IR demonstrator

Alexis Carlotti, David Mouillet, Alexis Bidot, Guillaume Bourdarot, Jean-Jacques Correia, Laurent Jocou, Alain Delboulbé, Etienne Le Coarer, René Doyon, Étienne Artigau, Philippe Vallée, Alain Roux, Philippe Feautrier, Patrick Rabou, Thierry Forveille, Xavier Bonfils, Guillaume Lo-Cascio, Ambarish Parthasarathy, Dimitri Mawet, Gautam Vasisht, Arthur Vigan, Gilles Otten

Proceedings Volume 11451, 114512B (2020) https://doi.org/10.1117/12.2560666

KEYWORDS: Near infrared spectroscopy, Spectroscopy, Spectrometers, Spectral resolution, K band, Optical design, Phased arrays, Spectrographs, Exoplanets, Atmospheric modeling

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Proceedings Article | 12 July 2019 Open Access

Open Access

Paper

Nanobob: a cubesat mission concept for quantum communication experiments in an uplink configuration

Erik Kerstel, Guillaume Bourdarot, Etienne LeCoarer, Mathieu Barthelemy, Arnaud Gardelein, Sebastien Tanzilli, Matthias Fink, Siddarth Koduru Joshi, Rupert Ursin

Proceedings Volume 11180, 111801X (2019) https://doi.org/10.1117/12.2535988

KEYWORDS: Satellites, Photons, Polarization, Sensors, Telescopes, Quantum communications, Receivers, Quantum key distribution, Picosecond phenomena, Stars

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Proceedings Article | 10 July 2018 Presentation + Paper

Presentation + Paper

Experimental test of a micro-mirror array as an adaptive apodizer for high-contrast imaging

Alexis Carlotti, David Mouillet, Jean-Jacques Correia, Laurent Jocou, Guillaume Bourdarot, Etienne le Coarer, Thierry Forveille, Xavier Bonfils, Thibaut Moulin

Proceedings Volume 10706, 107062M (2018) https://doi.org/10.1117/12.2311974

KEYWORDS: Digital micromirror devices, Coronagraphy, Planets, Telescopes, Adaptive optics, Micromirrors

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Proceedings Article | 6 July 2018 Paper

Paper

Experimental test of a 40 cm-long R=100 000 spectrometer for exoplanet characterisation

Guillaume Bourdarot, Etienne Le Coarer, David Mouillet, Jean-Jacques Correia, Laurent Jocou, Patrick Rabou, Alexis Carlotti, Xavier Bonfils, Etienne Artigau, Philippe Vallee, Rene Doyon, Thierry Forveille, Eric Stadler, Yves Magnard, Arthur Vigan

Proceedings Volume 10702, 107025Y (2018) https://doi.org/10.1117/12.2311696

KEYWORDS: Spectroscopy, Exoplanets, Spectral resolution, Diffraction gratings, Planets, Interferometers, Single mode fibers, Spectroscopes, Astronomical instrumentation, Imaging systems

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Proceedings Article | 25 September 2017 Open Access

Open Access

Paper

Atise: a miniatureFourier-transform spectro-imaging concept for surveying auroras and airglow monitoring from a 6/12u cubesat

E. Le Courer, M. Barthelemy, A. Vialatte, M. Prugniaux, G. Bourdarot, T. Sequies, P. Monsinjon, R. Puget, N. Guerineau

Proceedings Volume 10562, 105620W (2017) https://doi.org/10.1117/12.2296214

KEYWORDS: Sensors, Spectral resolution, Spectroscopy, Auroras, Fourier transforms, Interferometers, Astronomical imaging, Airglow, Reflectivity, Fizeau interferometers

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The nanosatellite ATISE is a mission dedicated to the observation of the emission spectra of the upper atmosphere (i.e. Airglow and Auroras) mainly related to both the solar UV flux and the precipitation of suprathermal particles coming from the solar wind through the magnetosphere. ATISE will measure specifically the auroral emissions, and the airglow (day- and night) in the spectral range between 380 and 900 nm at altitudes between 100 and 350 km. The exposure time will be 1 second in auroral region and 20 s at low latitude regions. The 5 year expected lifetime of this mission should cover almost a half of solar cycle (2 years nominal). This instrument concept is based on an innovative miniaturized Fourier-transform spectrometer (FTS) allowing simultaneous 1 Rayleigh sensitivity detection along six 1.5°x1° limb lines of sight. This 1-2kg payload instrument is hosted in a 12U cubeSat where 6U are allocated to the payload and 6U to the plateform subsystems. This represents a miniaturisation by a factor of 500 on weight and volume compared to previous Arizona-GLO instrument for equivalent performances in the visible. The instrument is based on microSPOC concept developed by ONERA and IPAG using one Fizeau interferometer per line of sight directly glued on top of the half of a very sensitive CMOS Pyxalis HDPYX detector. Three detectors are necessary with a total electrical consumption compatible with a 6U nanoSat. Each interferometer occupies a 1.4 M pixel part of detector, each is placed on an image of the entrance pupil corresponding to a unique direction of the six lines of sight, this in order to have a uniform illumination permitting good spectral Fourier reconstruction from fringes created between the Fizeau plate and the detector itself. Despite a limited 8x6 cm telescope, this configuration takes advantage of FTS multiplex effect and permits us to maximize the throughput and to integrate very faint emission lines over a wide field of view even if the 1 second integrated signal is comparable to the detector noise.

Proceedings Article | 25 September 2017 Open Access

Open Access

Paper

Nano-VIPA: a miniaturized high-resolution echelle spectrometer, for the monitoring of young stars from a 6u cubesat

G. Bourdarot, E. Le Coarer, E. Alecian, P. Rabou, X. Bonfils

Proceedings Volume 10562, 105622D (2017) https://doi.org/10.1117/12.2296210

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Proceedings Article | 4 August 2016 Paper

Paper

Experimental demonstration of a crossed cubes nuller for coronagraphy and interferometry

François Hénault, Brahim Arezki, Guillaume Bourdarot, Alain Spang

Proceedings Volume 9907, 99072H (2016) https://doi.org/10.1117/12.2231279

KEYWORDS: Nulling interferometry, Interferometry, Telescopes, Phase shifts, Interferometers, Coronagraphy, Beam splitters, Polarization, Optics manufacturing, Exoplanets

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Showing 5 of 28 publications

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