Dr. Xavier Haubois Profile

Dr. Xavier Haubois

at European Southern Observatory

SPIE Involvement:

Conference Program Committee | Author

Publications (22)

Proceedings Article | 8 March 2024 Poster + Paper

Poster + Paper

Integrated broadband bent directional coupler for use in telescope interferometry in the visible (600 nm – 820 nm)

Giannis Poulopoulos, Georgios Syriopoulos, Evrydiki Kyriazi, Thenia Prousalidi, Dimitris Apostolopoulos, Xavier Haubois, Charalampos Zervos, Hercules Avramopoulos

Proceedings Volume 12882, 128820T (2024) https://doi.org/10.1117/12.3001472

KEYWORDS: Waveguides, Directional couplers, Telescopes, Wave propagation, Interferometry, Design, Silicon nitride, Electric fields, Astronomical telescopes, Astronomical interferometry

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

VLTI status update

Xavier Haubois, Antoine Mérand, Roberto Abuter, Juan Pablo Araneda, Fuyan Bian, Pierre Bourget, Paul Bristow, Pablo Burgos, Françoise Delplancke-Ströbele, Roderick Dembet, Juan Pablo Gil, Andreas Glindemann, Frédéric Gonté, Patricia Guajardo, Norbert Hubin, Christian Hummel, Heidi Korhonen, Aaron Labdon, Johann Kolb, Johan Kosmalski, Sylvestre Lacour, Claudia Paladini, Laurent Pallanca, Luca Pasquini, Isabelle Percheron, Miguel Riquelme, Thomas Rivinius, Eleonora Sani, Linda Schmidtobreick, Peter Scicluna, Markus Schöller, Nicolas Schuhler, Konrad Tristram, Markus Wittkowski, Julien Woillez, Gérard Zins

Proceedings Volume 12183, 1218306 (2022) https://doi.org/10.1117/12.2635405

KEYWORDS: Telescopes, Astatine, Observatories, Adaptive optics, Spatial resolution, Polarization, Polarimetry, Optical spheres, L band, Data archive systems

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Proceedings Article | 26 August 2022 Presentation + Paper

Presentation + Paper

STELLIM: a Stellar Imager at VLTI

Xavier Haubois, Nicolas Schuhler, Pierre Bourget, Julien Woillez, Nick Cvetojevic

Proceedings Volume 12183, 121831T (2022) https://doi.org/10.1117/12.2629240

KEYWORDS: Telescopes, Interferometry, Imaging systems, Image restoration, Optical instrument design, Optical fibers, Imaging arrays, Convection

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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

Evolution of VLTI science operations: supporting imaging, astrometry, and monitoring types of interferometric observations

Markus Wittkowski, Giacomo Beccari, Thomas Bierwirth, Stéphane Brillant, Paula Correia dos Santos, Olivier Hainaut, Xavier Haubois, Christian Hummel, Stéphane Marteau, Antoine Mérand, Steffen Mieske, Sangeeta Mysore, Claudia Paladini, Ferdinando Patat, John Pritchard, Michael Pruemm, Marina Rejkuba, Konrad R. Tristram

Proceedings Volume 12183, 121830X (2022) https://doi.org/10.1117/12.2627302

KEYWORDS: Interferometry, Stars, Observatories, Turbulence, Telescopes, Calibration, Adaptive optics, Interferometers, Efficient operations

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Proceedings Article | 16 December 2020 Presentation + Paper

Presentation + Paper

The ExoGRAVITY project: using single mode interferometry to characterize exoplanets

S. Lacour, J. Wang, M. Nowak, L. Pueyo, F. Eisenhauer, A.-M. Lagrange, P. Mollière, R. Abuter, A. Amorin, R. Asensio-Torres, M. Bauböck, M. Benisty, J. P. Berger, H. Beust, S. Blunt, A. Boccaletti, A. Bohn, M. Bonnefoy, H. Bonnet, W. Brandner, F. Cantalloube, P. Caselli, B. Charnay, G. Chauvin, E. Choquet, V. Christiaens, Y. Clénet, A. Cridland, P. T. de Zeeuw, R. Dembet, J. Dexter, A. Drescher, G. Duvert, F. Gao, P. Garcia, R. Garcia Lopez, T. Gardner, E. Gendron, R. Genzel, S. Gillessen, J. H. Girard, X. Haubois, G. Heißel, T. Henning, S. Hinkley, S. Hippler, M. Horrobin, M. Houllé, Z. Hubert, A. Jiménez-Rosales, L. Jocou, J. Kammerer, M. Keppler, P. Kervella, L. Kreidberg, V. Lapeyrère, J.-B. Le Bouquin, P. Léna, D. Lutz, A.-L. Maire, A. Mérand, J. D. Monnier, D. Mouillet, A. Muller, E. Nasedkin, T. Ott, G. P. P. L. Otten, C. Paladini, T. Paumard, K. Perraut, G. Perrin, O. Pfuhl, J. Rameau, L. Rodet, G. Rodriguez-Coira, G. Rousset, J. Shangguan, T. Shimizu, J. Stadler, O. Straub, C. Straubmeier, E. Sturm, T. Stolker, E. van Dishoeck, A. Vigan, F. Vincent, S. D. von Fellenberg, K. Ward-Duong, F. Widmann, E. Wieprecht, E. Wiezorrek, J. Woillez

Proceedings Volume 11446, 114460O (2020) https://doi.org/10.1117/12.2561667

KEYWORDS: Interferometry, Exoplanets

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Proceedings Article | 13 December 2020 Presentation

Presentation

Polarization analysis of GRAVITY and the VLTI

Felix Widmann, Frank Eisenhauer, Oliver Pfuhl, Nicolas Schuhler, Xavier Haubois, António Amorim, Michi Bauböck, Wolfgang Brandner, Jason Dexter, Feng Gao, Paulo J. Garcia, Reinhard Genzel, Stefan Gillessen, Alejandra Jimenez-Rosales, Sylvestre Lacour, Thomas Ott, Karine Perraut, Guy Perrin, Jinyi Shangguan, Odèle Straub, Christian Straubmeier, Eckhard Sturm, Sebastiano von Fellenberg

Proceedings Volume 11446, 114460S (2020) https://doi.org/10.1117/12.2559311

KEYWORDS: Polarization, Data modeling, Polarization analysis, Calibration, Signal attenuation, Birefringence, Polarimetry, Telescopes, Mirrors, Device simulation

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

VLTI status update: tapping into a powerful second-generation instrumentation

Xavier Haubois, Roberto Abuter, Emmanuel Aller-Carpentier, Jaime Alonso, Juan Beltran, Jean-Philippe Berger, Pierre Bourget, Paul Bristow, Luis Caniguante, Bruno Chazelas, Claudia Cid, Ralf Conzelmann, Angela Cortes, Pascaline Darré, Alain Delboulbé, Françoise Delplancke-Ströbele, Diego Del Valle, Roderick Dembet, Reinaldo Donoso, Christophe Dupuy, Sebastien Egner, Frank Eisenhauer, Lorena Faundez, Eloy Fuenteseca, Robert Frahm, Daniel Gaytan, Juan Pablo Gil, Andreas Glindemann, Frédéric Gonté, Jaime Gonzales, Patricia Guajardo, Thibaut Guerlet, Sylvain Guieu, Pablo Gutierrez, Pierre Haguenauer, Pierre van der Heyden, Stefan Huber, Norbert Hubin, Christian Hummel, Lieselotte Jochum, Laurent Jocou, Jean-Paul Kirchbauer, Johann Kolb, Johan Kosmalski, Peter Krempl, Sylvestre Lacour, Jean-Baptiste Le Bouquin, Julien Leclercq, Jean Louis Lizon, Bruno Lopez, Yves Magnard, Anthony Meilland, Alexander Meister, Antoine Mérand, Steffen Mieske, Thibaut Moulin, Juan Osorio, Jürgen Ott, Claudia Paladini, Laurent Pallanca, Marcus Pavez, Luca Pasquini, Célia Pelluet, Isabelle Percheron, Lorenzo Pettazzi, Andrés Pino, Sébastien Poupar, Andrés Ramírez, Javier Reyes, Miguel Riquelme, Thomas Rivinius, Sylvain Rochat, Fernando Salgado, Markus Schöller, Nicolas Schuhler, Pavel Shchekaturov, Christian Stephan, Marcos Suarez, Alain Smette, Richard Tamblay, Mario Tapia, Konrad Tristram, Guillermo Valdes, Christophe Verinaud, Markus Wittkowski, Julien Woillez, Gérard Zins

Proceedings Volume 11446, 1144606 (2020) https://doi.org/10.1117/12.2561486

KEYWORDS: Telescopes, Adaptive optics, Space operations

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Proceedings Article | 10 July 2018 Presentation + Paper

Presentation + Paper

Connecting ELT to the current VLT operations scheme: how the telescope and instrument operators, as well as other groups at Paranal Observatory, are preparing the staff for the ELT era

Andres Pino Pavez, Stéphane Brillant, Susana Cerda Hernández, Claudia Cid, Xavier Haubois, Steffen Mieske, Julien Milli, Juan Carlos Muñoz-Mateos, Julio Navarrete, Diego Parraguez, Leonel Rivas, Cristian Romero, Alain Smette

Proceedings Volume 10704, 107041M (2018) https://doi.org/10.1117/12.2311857

KEYWORDS: Telescopes, Observatories, Adaptive optics, Mirrors, Control systems, Stars, Calibration, Education and training, Workforce training, Physical sciences, Astronomical adaptive optics

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Proceedings Article | 10 July 2018 Presentation + Paper

Presentation + Paper

Representative atmospheric turbulence profiles for ESO Paranal

O. Farley, J. Osborn, R. Wilson, T. Butterley, D. Laidlaw, M. Townson, T. Morris, M. Sarazin, F. Derie, M. Le Louarn, A. Chacón, X. Haubois, J. Navarrete, J. Milli

Proceedings Volume 10703, 107032E (2018) https://doi.org/10.1117/12.2312760

KEYWORDS: Turbulence, Atmospheric turbulence, Adaptive optics, Monte Carlo methods, Tomography, Computer simulations, Databases, Observatories, Optical turbulence

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Proceedings Article | 9 July 2018 Paper

Paper

MATISSE: performance in laboratory, results of AIV in Paranal, and first results on sky

S. Robbe-Dubois, S. Lagarde, P. Antonelli, B. Lopez, F. Allouche, C. Bailet, Ph. Berio, Y. Bresson, J.-M. Clausse, P. Cruzalèbes, Y. Fantei-Caujolle, A. Marcotto, A. Matter, A. Meilland, F. Millour, S. Morel, R. Petrov, S. Rousseau, A. Soulain, G. Zins, M. Lehmitz, W. Laun, T. Adler, R. Klein, T. Maurer, F. Bettonvil, E. Eldswick, U. Beckmann, M. Heininger, P. Bristow, A. Glindemann, N. Hubin, L. Jochum, Th. Rivinus, M. Schoeller, J. Beltran, P. Bourget, A. Gallenne, Th. Guerlet, X. Haubois, D. Ives, G. Jakob, A. Meister, M. Riquelme, N. Schuhler, C. Stephan, P. Toledo, K. Tristam, J. Woillez, U. Neumann, A. Chelli, F. Guitton, K. Meisenheimer, B. Pichon, A. Spang, J. Varga, Th. Henning, W. Jaffe, L. Pasquini, Ph. Stee, G. Weigelt

Proceedings Volume 10701, 107010H (2018) https://doi.org/10.1117/12.2313270

KEYWORDS: L band, Photovoltaics, Spectral resolution, Visibility, Sensors, Interferometry, Astatine, Spatial filters, Telescopes, Calibration

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MATISSE (Multi AperTure mid-Infrared SpectroScopic Experiment) is the spectro-interferometer for the VLTI of the European Southern Observatory (ESO), operating in the L-, M- and N- spectral bands, and combining up to four beams from the unit or the auxiliary telescopes (UTs or ATs). MATISSE will offer new breakthroughs in the study of circumstellar environments by allowing the mapping of the material distribution, the gas and essentially the dust. The instrument consists in a warm optical system (WOP) accepting four beams from the VLTI and relaying them after a spectral splitting to cold optical benches (COB) located in two separate cryostats, one in L-M- band, and one in N-band. The test plan of the complete instrument has been conducted at the Observatoire de la Côte d’Azur in order to confirm the compliance of the performance with the high-level requirements. MATISSE has successfully passed the Preliminary Acceptance in Europe the 12th September 2017. Following this result, ESO gave approval for the instrument to be shipped to Paranal. The Alignment, Integration and Verification phase was conducted until end of February 2018, at the end of which first observations on sky have been performed to test the operations with the VLTI and to obtain first stellar light. The two first runs of the commissioning followed, respectively in March and in May 2018. It has the goal to optimize the MATISSE-VLTI communication, the acquisition procedures and the interface parameters. The observations were performed on bright L-M- and N- stars, with four ATs located on short baselines and UTs. The limit magnitudes will be deduced.

This paper reports on the performance of the instrument measured in laboratory (results of test plan in Nice and AIV in Paranal) in terms of spectral coverage, dispersion laws and spectral resolutions, and transfer function analysis: instrumental contrast, visibility accuracy, accuracy of the differential phase, of the closure-phase and of the differential visibility. It also provides results of the first tests on sky and the planning of the on-going commissioning.

Proceedings Article | 9 July 2018 Presentation + Paper

Presentation + Paper

Panel discussion: next steps for OIFITS

John Young, Michael Ireland, Xavier Haubois

Proceedings Volume 10701, 107011O (2018) https://doi.org/10.1117/12.2313603

KEYWORDS: Standards development, Interferometry, Optical interferometry, Astronomy, Interferometers

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Proceedings Article | 9 July 2018 Paper

Paper

VLTI status update: three years into the second generation

Julien Woillez, Pascaline Darré, Sebastien Egner, Frédéric Gonté, Xavier Haubois, Antoine Mérand, Nicolas Schuhler, José Antonio Abad, Roberto Abuter, Emmanuel Aller-Carpentier, Jaime Alonso, Luigi Andolfato, Pablo José Barriga, Juan Beltran, Jean-Philippe Berger, Pierre Bourget, Roland Brast, Paul Bristow, Luis Caniguante, Ralf Conzelmann, Angela Cortes, Alain Delboulbé, Françoise Delplancke-Ströbele, Diego Del Valle, Roderick Dembet, Frédéric Derie, Reinaldo Donoso, Philippe Duhoux, Christophe Dupuy, Andreas Förster, Eloy Fuenteseca, Robert Frahm, Daniel Gaytan, Andreas Glindemann, Jaime Gonzales, Thibaut Guerlet, Sylvain Guieu, Stéphane Guisard, Pablo Gutierrez, Pierre Haguenauer, Andreas Haimerl, Pierre van der Heyden, Stefan Huber, Norbert Hubin, Lieselotte Jochum, Laurent Jocou, Paul Jolley, Jean-Paul Kirchbauer, Johann Kolb, Johan Kosmalski, Peter Krempl, Jean-Baptiste Le Bouquin, Samuel Lévêque, Paul Lilley, Jean Louis Lizon, Yves Magnard, Pedro Mardones, Alexander Meister, Thibaut Moulin, Juan Osorio, Jürgen Ott, Laurent Pallanca, Jérôme Paufique, Marcus Pavez, Luca Pasquini, Isabelle Percheron, Lorenzo Pettazzi, Thanh Phan Duc, Jean Francois Pirard, Andres Pino, Sébastien Poupar, Jutta Quentin, Andres Ramírez, Javier Reyes, Robert Ridings, Sylvain Rochat, Thomas Rivinius, Fernando Salgado, Markus Schöller, Pavel Shchekaturov, Christian Stephan, Marcos Suarez, Richard Tamblay, Mario Tapia, Konrad Tristram, Guillermo Valdes, Christophe Verinaud, Willem-Jan de Wit, Gérard Zins

Proceedings Volume 10701, 1070103 (2018) https://doi.org/10.1117/12.2312042

KEYWORDS: Telescopes, Adaptive optics, Metrology, Interferometers, Stars

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Proceedings Article | 9 July 2018 Paper

Paper

Correction of differential chromatic dispersion in GRAVITY

Xavier Haubois, Sylvestre Lacour, Guy Perrin, Roderick Dembet, Jean-Baptiste Le Bouquin, Vincent Lapeyrère, Burkhard Wolff, Frank Eisenhauer, Karine Rousselet-Perraut, Christian Straubmeier, Antonio Amorim, Wolfgang Brandner

Proceedings Volume 10701, 107011P (2018) https://doi.org/10.1117/12.2312154

KEYWORDS: Optical fibers, Fourier transforms, Phase measurement, Dispersion, Metrology, K band, Calibration, Refractive index

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Proceedings Article | 4 August 2016 Paper

Paper

Sparse aperture masking with SPHERE

Anthony Cheetham, Julien Girard, Sylvestre Lacour, Guillaume Schworer, Xavier Haubois, Jean-Luc Beuzit

Proceedings Volume 9907, 99072T (2016) https://doi.org/10.1117/12.2231983

KEYWORDS: Optical spheres, Interferometry, Visible radiation, Adaptive optics, Imaging systems, Wavefronts, Iterated function systems, Point spread functions, Calibration, Polarimetry

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Proceedings Article | 26 July 2016 Paper

Paper

First year report of the Optical Interferometry DataBase

Xavier Haubois, Guillaume Mella, Gilles Duvert, J. Le Bouquin, Laurent Bourgès, Chris Farrington, Theo ten Brummelaar, Myriam Benisty, Denis Mourard

Proceedings Volume 9907, 99073V (2016) https://doi.org/10.1117/12.2233525

KEYWORDS: Databases, Observatories, Optical interferometry, Interferometry, Interferometers, Optical interferometry, Calibration, Data modeling, Aluminium phosphide, Visibility, Astronomy

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Proceedings Article | 28 August 2014 Paper

Paper

CubeSats as pathfinders for planetary detection: the FIRST-S satellite

S. Lacour, V. Lapeyrère, L. Gauchet, S. Arroud, R. Gourgues, G. Martin, S. Heidmann, X. Haubois, G. Perrin

Proceedings Volume 9143, 91432N (2014) https://doi.org/10.1117/12.2057381

KEYWORDS: Interferometers, Modulation, Stars, Space operations, Nulling interferometry, Satellites, Space telescopes, Lithium niobate, Interferometry, Information operations

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Proceedings Article | 24 July 2014 Paper

Paper

A global database for optical interferometry

Xavier Haubois, Patrick Bernaud, Guillaume Mella, Gilles Duvert, Myriam Benisty, Philippe Bério, Laurent Bourges, Alain Chelli, Olivier Chesneau, Sylvestre Lacour, Sylvain Lafrasse, Jean-Baptiste Le Bouquin, Denis Mourard, Nicolas Nardetto, Johan Olofsson

Proceedings Volume 9146, 91460O (2014) https://doi.org/10.1117/12.2056977

KEYWORDS: Databases, Optical interferometry, Calibration, Data modeling, Interferometry, Observatories, Optical calibration, Diffusion, Modeling, Prototyping

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Proceedings Article | 24 July 2014 Paper

Paper

Phase tracking with differential dispersion

Xavier Haubois, Sylvestre Lacour, Guy Perrin, Roderick Dembet, Pierre Fedou, Frank Eisenhauer, Karine Rousselet-Perraut, Christian Straubmeier, Antonio Amorim, Wolfgang Brandner

Proceedings Volume 9146, 91461Y (2014) https://doi.org/10.1117/12.2056410

KEYWORDS: Optical fibers, Refractive index, Phase measurement, K band, Dispersion, Detection and tracking algorithms, Colorimetry, Fourier transforms, Humidity, Optical tracking

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Proceedings Article | 22 July 2010 Open Access

Open Access

Paper

GRAVITY: a four telescope beam combiner instrument for the VLTI

S. Gillessen, F. Eisenhauer, G. Perrin, W. Brandner, C. Straubmeier, K. Perraut, A. Amorim, M. Schöller, C. Araujo-Hauck, H. Bartko, H. Baumeister, J.-P. Berger, P. Carvas, F. Cassaing, F. Chapron, E. Choquet, Y. Clenet, C. Collin, A. Eckart, P. Fedou, S. Fischer, E. Gendron, R. Genzel, P. Gitton, F. Gonte, A. Gräter, P. Haguenauer, M. Haug, X. Haubois, T. Henning, S. Hippler, R. Hofmann, L. Jocou, S. Kellner, P. Kervella, R. Klein, N. Kudryavtseva, S. Lacour, V. Lapeyrere, W. Laun, P. Lena, R. Lenzen, J. Lima, D. Moratschke, D. Moch, T. Moulin, V. Naranjo, U. Neumann, A. Nolot, T. Paumard, O. Pfuhl, S. Rabien, J. Ramos, J. Rees, R.-R. Rohloff, D. Rouan, G. Rousset, A. Sevin, M. Thiel, K. Wagner, M. Wiest, S. Yazici, D. Ziegler

Proceedings Volume 7734, 77340Y (2010) https://doi.org/10.1117/12.856689

KEYWORDS: Stars, Adaptive optics, Telescopes, Sensors, Interferometry, Integrated optics, Spectroscopy, Wavefront sensors, Near infrared, Metrology

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Proceedings Article | 28 July 2008 Open Access

Open Access

Paper

GRAVITY: getting to the event horizon of Sgr A*

F. Eisenhauer, G. Perrin, W. Brandner, C. Straubmeier, A. Richichi, S. Gillessen, J. P. Berger, S. Hippler, A. Eckart, M. Schöller, S. Rabien, F. Cassaing, R. Lenzen, M. Thiel, Y. Clénet, J. R. Ramos, S. Kellner, P. Fédou, H. Baumeister, R. Hofmann, E. Gendron, A. Boehm, H. Bartko, X. Haubois, R. Klein, K. Dodds-Eden, K. Houairi, F. Hormuth, A. Gräter, L. Jocou, V. Naranjo, R. Genzel, P. Kervella, T. Henning, N. Hamaus, S. Lacour, U. Neumann, M. Haug, F. Malbet, W. Laun, J. Kolmeder, T. Paumard, R.-R. Rohloff, O. Pfuhl, K. Perraut, J. Ziegleder, D. Rouan, G. Rousset

Proceedings Volume 7013, 70132A (2008) https://doi.org/10.1117/12.788407

KEYWORDS: Stars, Telescopes, Near infrared, Adaptive optics, Metrology, Sensors, Interferometry, Integrated optics, Wavefront sensors, Spectroscopy

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Proceedings Article | 28 July 2008 Paper

Paper

Characterization of integrated optics components for the second generation of VLTI instruments

S. Lacour, L. Jocou, T. Moulin, P. Labeye, M. Benisty, J.-P. Berger, A. Delboulbé, X. Haubois, E. Herwats, P. Kern, F. Malbet, K. Rousselet-Perraut, G. Perrin

Proceedings Volume 7013, 701316 (2008) https://doi.org/10.1117/12.789795

KEYWORDS: Integrated optics, Telescopes, K band, Semiconducting wafers, Waveguides, Phase shifts, Information operations, Modulation, Photomasks, Single mode fibers

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Showing 5 of 22 publications

Conference Committee Involvement (4)

Optical and Infrared Interferometry and Imaging IX

17 June 2024 | Yokohama, Japan

Optical and Infrared Interferometry and Imaging VIII

17 July 2022 | Montréal, Québec, Canada

Optical and Infrared Interferometry and Imaging VII

14 December 2020 | Online Only, California, United States

Optical and Infrared Interferometry and Imaging VII

13 December 2020 | San Diego, California, United States

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