Dr. Stefan Gillessen Profile

Dr. Stefan Gillessen

at Max-Planck-Institut fur extraterrestrische Physik

SPIE Involvement:

Author

Publications (39)

Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

First on-sky results of ERIS at VLT

Kateryna Kravchenko, Yigit Dallilar, Olivier Absil, Alex Agudo Berbel, Andrea Baruffolo, Markus Bonse, Alexander Buron, Yixian Cao, Angela Cortes, Felix Dannert, Richard Davies, Robert De Rosa, Matthias Deysenroth, David Doelman, Frank Eisenhauer, Simone Esposito, Helmut Feuchtgruber, Natascha Förster Schreiber, Xiaofeng Gao, Hans Gemperlein, Reinhard Genzel, Stefan Gillessen, Christian Ginski, Adrian Glauser, Andreas Glindemann, Paolo Grani, Pierre Haguenauer, Johannes Hartwig, Jean Hayoz, Marianne Heida, Matthew Kenworthy, Johann Kolb, Harald Kuntschner, Dieter Lutz, Daizhong Liu, Mike MacIntosh, Michael Marsset, Gilles Orban de Xivry, Hakan Özdemir, Alfio Puglisi, Sascha Quanz, Christian Rau, Armando Riccardi, Daniel Schuppe, Frans Snik, Eckhard Sturm, Linda Tacconi, William Taylor, Erich Wiezorrek

Proceedings Volume 12184, 121845M (2022) https://doi.org/10.1117/12.2629258

KEYWORDS: Astronomical instrumentation, Near infrared, Sensors, Calibration, Cameras, Point spread functions, Adaptive optics, Spectral resolution, Galactic astronomy, Optical filters, Mirrors, Astronomical imaging, Astronomical instrumentation, Near infrared

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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

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 | 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 | 15 January 2021 Poster + Paper

Poster + Paper

GRAVITY upgrade with high-performance grisms with factor >2 enhanced throughput

Senol Yazici, Takashi Sukegawa, Martin Mayer, Frank Eisenhauer, Yukinobu Okura, Karine Perraut, Laurent Jocou, Stefan Gillessen, Frank Haussmann, Alexander Buron, David Huber, Lothar Barl, Kateryna Kravchenko, Oliver Pfuhl, Sylvestre Lacour, Vincent Lapeyrere, Erich Wiezorrek, Thomas Ott, Thibaut Paumard, Jinyi Shangguan, Feng Gao, Christian Straubmeier, Patricia Guajardo, Miguel Riquelme, Laurent Pallanca, Reinhard Genzel, Tim de Zeeuw, Michael Bauböck, Maryam Habibi, Christian Rau, Alejandra Jimenez Rosales, Julia Stadler, Odele Straub, Eckhard Sturm, Sebastiano von Fellenberg, Felix Widmann, Ekkehard Wieprecht, Andreas Eckart, Guy Perrin, Antonio Amorim, Paolo Garcia, Wolfgang Brandner

Proceedings Volume 11446, 114461X (2021) https://doi.org/10.1117/12.2561387

KEYWORDS: Spectroscopy, Interferometry, Spectral resolution, Germanium, Phase interferometry, Image resolution, Zinc, Refractive index, Antireflective coatings, Optical properties

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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 | 14 December 2020 Poster + Paper

Poster + Paper

Dimensioning adaptive optics for future VLTI projects

Fabien Patru, Florentin Millour, Olivier Lai, Marcel Carbillet, Frank Eisenhauer, Stefan Gillessen, Maximilian Haase, Michael Hartl, Frank Haussmann, Jean-Baptiste Le Bouquin, Dieter Lutz, Christopher Mandla, Nikhil More, Thomas Ott, Thibaut Paumard, Christian Rau, Josef Schubert, Ekkehard Wieprecht, Julien Woillez, Senol Yazici

Proceedings Volume 11448, 1144871 (2020) https://doi.org/10.1117/12.2562433

KEYWORDS: Adaptive optics, Wavefront sensors, Numerical simulations

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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

Presentation

First four telescopes large-separation off-axis fringe-tracking interferometry with GRAVITY at the VLTI

Feng Gao, Frank Eisenhauer, Julien Woillez, Pierre Bourget, Bruno Chazelas, Roderick Dembet, Frédéric Gonté, Jürgen Ott, Nicolas Schuhler, Gérard Zins, Frank Haussmann, Michael Hartl, Stefan Gillessen, Reinhard Genzel, Guy Perrin, Wolfgang Brandner, Thibaut Paumard, Karine Perraut, Paulo J. Garcia, Christian Straubmeier, António Amorim, Thomas Ott, Felix Widmann, Jinyi Shangguan, Odèle Straub, Sebastiano von Fellenberg, Eckhard Sturm, Oliver Pfuhl, Michi Bauboeck, Alejandra Jimenez-Rosales, Matthew Horrobin, Julia Stadler, Dieter Lutz, Taro Shimizu, Antonia Drescher, Mari Lena Bolzer

Proceedings Volume 11446, 114461I (2020) https://doi.org/10.1117/12.2561408

KEYWORDS: Telescopes, Interferometry, Interferometers, Atmospheric turbulence, Optical interferometry, Large telescopes, Stars

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Proceedings Article | 13 December 2020 Presentation

Presentation

GRAVITY+: towards faint science, all sky milli arcsecond optical interferometric imaging

Stefan Gillessen

Proceedings Volume 11446, 114460Z (2020) https://doi.org/10.1117/12.2562557

KEYWORDS: Interferometry, Optical imaging, Active galactic nuclei, Exoplanets, Optical interferometry, Observatories, Image resolution, Laser optics, Stars, Adaptive optics

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Proceedings Article | 13 December 2020 Presentation

Presentation

Static phase aberrations in near-IR interferometry and GRAVITY's determination of the galactic center distanceStatic phase aberrations in near-IR interferometry and GRAVITY's determination of the galactic center distance

Julia Stadler, Guy Perin, Wolfgang Brandner, Christian Straubmeier, Karine Rousselet-Perraut, António Amorim, Paulo Garcia, Frank Eisenhauer, Michael Bauböck, Feng Gao, Reinhard Genzel, Stefan Gillessen, Alejandra Jimenez-Rosales, Thomas Ott, Jinyi Shangguan, Odèle Straub, Eckhard Sturm, Sebastiano von Fellenberg, Felix Widmann, Oliver Pfuhl, Sylvestre Lacour, Julien Woillez, Mathias Nowak

Proceedings Volume 11446, 114460M (2020) https://doi.org/10.1117/12.2576225

KEYWORDS: Interferometry, Visibility, Phase measurement, Calibration, Zernike polynomials, Superposition, Phase interferometry, Integrated optics, Control systems

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Proceedings Article | 30 July 2018 Open Access

Open Access

Paper

The MICADO first light imager for the ELT: overview, operation, simulation

R. Davies, J. Alves, Y. Clénet, F. Lang-Bardl, H. Nicklas, J.-U. Pott, R. Ragazzoni, E. Tolstoy, P. Amico, H. Anwand-Heerwart, S. Barboza, L. Barl, P. Baudoz, R. Bender, N. Bezawada, P. Bizenberger, W. Boland, P. Bonifacio, B. Borgo, T. Buey, F. Chapron, F. Chemla, M. Cohen, O. Czoske, V. Déo, K. Disseau, S. Dreizler, O. Dupuis, M. Fabricius, R. Falomo, P. Fedou, N. Förster Schreiber, V. Garrel, N. Geis, H. Gemperlein, E. Gendron, R. Genzel, S. Gillessen, M. Glück, F. Grupp, M. Hartl, M. Häuser, H.-J. Hess, R. Hofferbert, U. Hopp, V. Hörmann, Z. Hubert, E. Huby, J.-M. Huet, V. Hutterer, D. Ives, A. Janssen, W. Jellema, W. Kausch, F. Kerber, H. Kravcar, B. Le Ruyet, K. Leschinski, C. Mandla, M. Manhart, D. Massari, S. Mei, F. Merlin, L. Mohr, A. Monna, N. Muench, F. Müller, G. Musters, R. Navarro, U. Neumann, N. Neumayer, J. Niebsch, M. Plattner, N. Przybilla, S. Rabien, R. Ramlau, J. Ramos, S. Ramsay, P. Rhode, A. Richter, J. Richter, H.-W. Rix, G. Rodeghiero, R.-R. Rohloff, M. Rosensteiner, G. Rousset, J. Schlichter, J. Schubert, A. Sevin, R. Stuik, E. Sturm, J. Thomas, N. Tromp, G. Verdoes-Kleijn, F. Vidal, R. Wagner, M. Wegner, W. Zeilinger, J. Ziegleder, B. Ziegler, G. Zins

Proceedings Volume 10702, 107021S (2018) https://doi.org/10.1117/12.2311483

KEYWORDS: Adaptive optics, Distortion, Planets

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Proceedings Article | 16 July 2018 Open Access

Open Access

Paper

ERIS: revitalising an adaptive optics instrument for the VLT

R. Davies, S. Esposito, H.-M. Schmid, W. Taylor, G. Agapito, A. Agudo Berbel, A. Baruffolo, V. Biliotti, B. Biller, M. Black, A. Boehle, B. Briguglio, A. Buron, L. Carbonaro, A. Cortes, G. Cresci, M. Deysenroth, A. Di Cianno, G. Di Rico, D. Doelman, M. Dolci, R. Dorn, F. Eisenhauer, D. Fantinel, D. Ferruzzi, H. Feuchtgruber, N. Förster Schreiber, X. Gao, H. Gemperlein, R. Genzel, E. George, S. Gillessen, C. Giordano, A. Glauser, A. Glindemann, P. Grani, M. Hartl, J. Heijmans, D. Henry, H. Huber, M. Kasper, C. Keller, M. Kenworthy, J. Kühn, H. Kuntschner, J. Lightfoot, D. Lunney, M. MacIntosh, F. Mannucci, S. March, M. Neeser, P. Patapis, D. Pearson, M. Plattner, A. Puglisi, S. Quanz, C. Rau, A. Riccardi, B. Salasnich, J. Schubert, F. Snik, E. Sturm, A. Valentini, C. Waring, E. Wiezorrek, M. Xompero

Proceedings Volume 10702, 1070209 (2018) https://doi.org/10.1117/12.2311480

KEYWORDS: Adaptive optics, Calibration, Mirrors, Galactic astronomy, Wavefront sensors, Control systems, L band

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Proceedings Article | 9 July 2018 Open Access

Open Access

Presentation + Paper

Learnings from the use of fiber optics in GRAVITY

Magdalena Lippa, Stefan Gillessen, Nicolas Blind, Yitping Kok, Karine Perraut, Laurent Jocou, Frank Eisenhauer, Oliver Pfuhl, Marcus Haug, Stefan Kellner, Frank Haußmann, Markus Plattner, Christian Rau, Oliver Hans, Ekkehard Wieprecht, Thomas Ott, Erich Wiezorrek, Eckhard Sturm, Alexander Buron, Sylvestre Lacour, Reinhard Genzel, Guy Perrin, Wolfgang Brandner, Christian Straubmeier, Antonio Amorim

Proceedings Volume 10701, 107011Y (2018) https://doi.org/10.1117/12.2312477

KEYWORDS: Metrology, Connectors, Polarization, Backscatter, Fiber lasers, Raman scattering, Laser metrology, Luminescence, Fiber optics, Glasses

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Proceedings Article | 9 July 2018 Open Access

Open Access

Paper

Improving GRAVITY towards observations of faint targets

Felix Widmann, Frank Eisenhauer, Guy Perrin, Wolfgang Brandner, Christian Straubmeier, Karin Perraut, Antonio Amorim, Markus Schöller, Feng Gao, Reinhard Genzel, Stefan Gillessen, Martina Karl, Sylvestre Lacour, Magdalena Lippa, Thomas Ott, Oliver Pfuhl, Philipp Plewa, Idel Waisberg

Proceedings Volume 10701, 107010K (2018) https://doi.org/10.1117/12.2312118

KEYWORDS: Signal to noise ratio, Calibration, Data modeling, Systems modeling, Telescopes, Atmospheric modeling, Interferometers, Interferometry

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Proceedings Article | 4 August 2016 Open Access

Open Access

Paper

The metrology system of the VLTI instrument GRAVITY

Magdalena Lippa, Stefan Gillessen, Nicolas Blind, Yitping Kok, Şenol Yazıcı, Johannes Weber, Oliver Pfuhl, Marcus Haug, Stefan Kellner, Ekkehard Wieprecht, Frank Eisenhauer, Reinhard Genzel, Oliver Hans, Frank Haußmann, David Huber, Tobias Kratschmann, Thomas Ott, Markus Plattner, Christian Rau, Eckhard Sturm, Idel Waisberg, Erich Wiezorrek, Guy Perrin, Karine Perraut, Wolfgang Brandner, Christian Straubmeier, Antonio Amorim

Proceedings Volume 9907, 990722 (2016) https://doi.org/10.1117/12.2232272

KEYWORDS: Metrology, Telescopes, Signal detection, Laser metrology, Sensors, Beam splitters, Phase shifts, Phase measurement, Receivers, Diodes

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Proceedings Article | 24 July 2014 Paper

Paper

The interferometric baselines and GRAVITY astrometric error budget

S. Lacour, F. Eisenhauer, S. Gillessen, O. Pfuhl, Y. Kok, G. Perrin, K. Rousselet-Perraut, C. Straubmeier, W. Brandner, A. Amorin, J. Woillez, H. Bonnet

Proceedings Volume 9146, 91462E (2014) https://doi.org/10.1117/12.2057366

KEYWORDS: Metrology, Telescopes, Interferometry, Stars, Interferometers, Space telescopes, Observatories, Optical testing, Mirrors, 3D metrology

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Proceedings Article | 24 July 2014 Paper

Paper

The fiber coupler and beam stabilization system of the GRAVITY interferometer

O. Pfuhl, M. Haug, F. Eisenhauer, S. Kellner, F. Haussmann, G. Perrin, S. Gillessen, C. Straubmeier, T. Ott, K. Rousselet-Perraut, A. Amorim, Magdalena Lippa, A. Janssen, W. Brandner, Yitping Kok, N. Blind, L. Burtscher, E. Sturm, E. Wieprecht, M. Schoeller, J. Weber, O. Hans, S. Huber

Proceedings Volume 9146, 914623 (2014) https://doi.org/10.1117/12.2055080

KEYWORDS: Telescopes, Fiber couplers, Actuators, Mirrors, Prisms, Adaptive optics, Sensors, Cameras, Stars, Interferometers

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Proceedings Article | 24 July 2014 Paper

Paper

The GRAVITY metrology system: modeling a metrology in optical fibers

N. Blind, Heinrich Huber, F. Eisenhauer, J. Weber, S. Gillessen, M. Lippa, L. Burtscher, O. Hans, M. Haug, F. Haussmann, S. Huber, A. Janssen, S. Kellner, Y. Kok, T. Ott, O. Pfuhl, E. Sturm, E. Wieprecht, A. Amorim, W. Brandner, G. Perrin, K. Perraut, C. Straubmeier

Proceedings Volume 9146, 914624 (2014) https://doi.org/10.1117/12.2055553

KEYWORDS: Metrology, Phase modulation, Polarization, Waveguides, Polarizers, Cameras, Connectors, Temperature metrology, Birefringence, Laser metrology

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Proceedings Article | 24 July 2014 Open Access

Open Access

Paper

GRAVITY: the impact of non-common optical paths within the metrology system

Yitping Kok, Stefan Gillessen, Sylvestre Lacour, Frank Eisenhauer, Nicolas Blind, Johannes Weber, Magdalena Lippa, Oliver Pfuhl, Leonard Burtscher, Ekkehard Wieprecht, Thomas Ott, Marcus Haug, Stefan Kellner, Frank Haussmann, Eckhard Sturm, Annemieke Janssen, Reinhard Genzel, Guy Perrin, Karine Perraut, Christian Straubmeier, Wolfgang Brandner, Antonio Amorim, Oliver Hans

Proceedings Volume 9146, 914625 (2014) https://doi.org/10.1117/12.2055567

KEYWORDS: Metrology, Stars, Laser metrology, Interferometers, Telescopes, Information operations, Visibility, Sensors, Phase shifts, Time metrology

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Proceedings Article | 24 July 2014 Open Access

Open Access

Paper

The GRAVITY instrument software/high-level software

Leonard Burtscher, Ekkehard Wieprecht, Thomas Ott, Yitping Kok, Senol Yazici, Narsireddy Anugu, Roderick Dembet, Pierre Fedou, Sylvestre Lacour, Jürgen Ott, Thibaut Paumard, Vincent Lapeyrere, Pierre Kervella, Roberto Abuter, Eszter Pozna, Frank Eisenhauer, Nicolas Blind, Reinhard Genzel, Stefan Gillessen, Oliver Hans, Marcus Haug, Frank Haussmann, Stefan Kellner, Magdalena Lippa, Oliver Pfuhl, Eckhard Sturm, Johannes Weber, Antonio Amorim, Wolfgang Brandner, Karine Rousselet-Perraut, Guy Perrin, Christian Straubmeier, Markus Schöller

Proceedings Volume 9146, 91462B (2014) https://doi.org/10.1117/12.2055928

KEYWORDS: Sensors, Process control, Control systems, Cameras, Telescopes, Signal detection, Data acquisition, Computing systems, Interferometers, Interfaces

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Proceedings Article | 24 July 2014 Open Access

Open Access

Paper

The GRAVITY instrument software/hardware related aspects

Thomas Ott, Ekkehard Wieprecht, Leonard Burtscher, Yitping Kok, Senol Yazici, Narsireddy Anugu, Roderick Dembet, Pierre Fedou, Sylvestre Lacour, Jürgen Ott, Frank Eisenhauer, Nicolas Blind, Reinhard Genzel, Stefan Gillessen, Oliver Hans, Marcus Haug, Frank Haussmann, Stefan Huber, Annemieke Janssen, Stefan Kellner, Magdalena Lippa, Oliver Pfuhl, Eckhard Sturm, Johannes Weber, Antonio Amorim, Wolfgang Brandner, Karine Rousselet-Perraut, Guy Perrin, Christian Straubmeier, Markus Schöller, Roberto Abuter

Proceedings Volume 9146, 91462A (2014) https://doi.org/10.1117/12.2055927

KEYWORDS: Sensors, Lamps, Camera shutters, Control systems, Analog electronics, Metrology, Detection and tracking algorithms, Optical fibers, Fiber lasers, Laser metrology

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Proceedings Article | 24 July 2014 Paper

Paper

GRAVITY: the calibration unit

N. Blind, F. Eisenhauer, M. Haug, S. Gillessen, Magdalena Lippa, L. Burtscher, O. Hans, F. Haussmann, S. Huber, A. Janssen, S. Kellner, Y. Kok, T. Ott, O. Pfuhl, E. Sturm, J. Weber, E. Wieprecht, A. Amorim, W. Brandner, G. Perrin, K. Perraut, C. Straubmeier

Proceedings Volume 9146, 91461U (2014) https://doi.org/10.1117/12.2055542

KEYWORDS: Calibration, Mirrors, Telescopes, Stars, Metrology, Wavefronts, Light sources, Relays, Optical alignment, Safety

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Proceedings Article | 24 July 2014 Open Access

Open Access

Paper

The GRAVITY metrology system: narrow-angle astrometry via phase-shifting interferometry

Magdalena Lippa, Nicolas Blind, Stefan Gillessen, Yitping Kok, Johannes Weber, Frank Eisenhauer, Oliver Pfuhl, Annemieke Janssen, Marcus Haug, Frank Haußmann, Stefan Kellner, Oliver Hans, Ekkehard Wieprecht, Thomas Ott, Leonard Burtscher, Reinhard Genzel, Eckhard Sturm, Reiner Hofmann, S. Huber, David Huber, Stefanie Senftleben, Andreas Pflüger, Roland Greßmann, Guy Perrin, Karine Perraut, Wolfgang Brandner, Christian Straubmeier, Antonio Amorim, Markus Schöller

Proceedings Volume 9146, 914622 (2014) https://doi.org/10.1117/12.2054637

KEYWORDS: Phase shifts, Metrology, Phase shift keying, Calibration, Telescopes, Modulation, Phase interferometry, Interferometers, Interferometry, Phase measurement

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Proceedings Article | 12 September 2012 Paper

Paper

The GRAVITY spectrometers: metrology laser blocking system

Constanza Araujo-Hauck, Sebastian Fischer, Stefan Gillessen, Christian Straubmeier, Michael Wiest, Senol Yazici, Imke Wank, Frank Eisenhauer, Guy Perrin, Wolfgang Brandner, Karine Perraut, António Amorim, Andreas Eckart

Proceedings Volume 8445, 84452S (2012) https://doi.org/10.1117/12.925151

KEYWORDS: Optical filters, Metrology, K band, Laser metrology, Spectrometers, Absorbance, Integrated optics, Wavefronts, Reflectivity, Laser systems engineering

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Proceedings Article | 12 September 2012 Paper

Paper

GRAVITY: beam stabilization and light injection subsystems

O. Pfuhl, M. Haug, F. Eisenhauer, D. Penka, A. Amorim, S. Kellner, S. Gillessen, T. Ott, E. Wieprecht, E. Sturm, F. Haußmann, S. Huber, M. Lippa, L. Burtscher, K. Rousselet-Perraut, C. Straubmeier, G. Perrin, W. Brandner

Proceedings Volume 8445, 84451U (2012) https://doi.org/10.1117/12.925391

KEYWORDS: Fiber couplers, Mirrors, Cameras, Actuators, Telescopes, Sensors, Diodes, Prisms, Receivers, Stars

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Proceedings Article | 12 September 2012 Paper

Paper

GRAVITY: metrology

Stefan Gillessen, Magdalena Lippa, Frank Eisenhauer, Oliver Pfuhl, Marcus Haug, Stefan Kellner, Thomas Ott, Ekkehard Wieprecht, Eckhard Sturm, Frank Haußmann, Clemens Kister, David Moch, Markus Thiel

Proceedings Volume 8445, 84451O (2012) https://doi.org/10.1117/12.926813

KEYWORDS: Metrology, Telescopes, Optical fibers, Mirrors, Diodes, Phase shifts, Phase measurement, Interferometry, Space telescopes, Photodiodes

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Proceedings Article | 29 July 2010 Paper

Paper

Dimensioning the Gravity adaptive optics wavefront sensor

Y. Clénet, E, Gendron, G. Rousset, S, Hippler, F. Eisenhauer, S. Gillessen, G. Perrin, A. Amorim, W. Brandner, K. Perraut, C. Straubmeier

Proceedings Volume 7736, 77364A (2010) https://doi.org/10.1117/12.856661

KEYWORDS: Adaptive optics, Optical filters, Mirrors, Wavefront sensors, Signal to noise ratio, Wavefronts, Sensors, Computer simulations, Calibration, Telescopes

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Proceedings Article | 29 July 2010 Paper

Paper

Status and new operation modes of the versatile VLT/NaCo

Julien H. Girard, Markus Kasper, Sascha Quanz, Matthew Kenworthy, Sridharan Rengaswamy, Rainer Schödel, Alexandre Gallenne, Stefan Gillessen, Nicolas Huerta, Pierre Kervella, Nick Kornweibel, Rainer Lenzen, Antoine Mérand, Guillaume Montagnier, Jared O'Neal, Gérard Zins

Proceedings Volume 7736, 77362N (2010) https://doi.org/10.1117/12.856799

KEYWORDS: Adaptive optics, Stars, Point spread functions, Imaging systems, K band, Speckle, Wavefront sensors, Exoplanets, Coronagraphy, Holography

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Proceedings Article | 22 July 2010 Paper

Paper

GRAVITY spectrometer: metrology laser blocking strategy at OD=12

Constanza Araujo-Hauck, Sebastian Fischer, Hendrik Bartko, Stefan Gillessen, Christian Straubmeier, Michael Wiest, Senol Yazici, Frank Eisenhauer, Guy Perrin, Wolfgang Brandner, Karine Perraut, Antonio Amorim, Andreas Eckart

Proceedings Volume 7734, 77342Z (2010) https://doi.org/10.1117/12.856021

KEYWORDS: Optical filters, Metrology, Laser metrology, Spectroscopy, Coating, Infrared cameras, Mirrors, K band, Integrated optics, Absorbance

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Proceedings Article | 22 July 2010 Paper

Paper

GRAVITY: design and performance of the fringe tracker

E. Choquet, F. Cassaing, G. Perrin, F. Eisenhauer, W. Brandner, C. Straubmeier, K. Perraut, S. Gillessen

Proceedings Volume 7734, 77341Z (2010) https://doi.org/10.1117/12.855984

KEYWORDS: Algorithm development, Infrared radiation, Interferometry, Current controlled current source, Tin, Telescopes, K band, Stars, Computer simulations, Detection and tracking algorithms

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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 | 22 July 2010 Paper

Paper

The Fiber Coupler subsystem of the future VLTI instrument GRAVITY

O. Pfuhl, F. Eisenhauer, M. Haug, M. Thiel, S. Kellner, A. Amorim, W. Brandner, J. P. Berger, K. Rousselet-Perraut, G. Perrin, C. Straubmeier, S. Gillessen, H. Bartko, A. Gräter

Proceedings Volume 7734, 77342A (2010) https://doi.org/10.1117/12.857506

KEYWORDS: Fiber couplers, Actuators, Mirrors, Prisms, Polarization, Telescopes, Single mode fibers, Cameras, Interferometry, Optical design

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Proceedings Article | 22 July 2010 Paper

Paper

The fringe detection laser metrology for the GRAVITY interferometer at the VLTI

H. Bartko, S. Gillessen, S. Rabien, M. Thiel, A. Gräter, M. Haug, S. Kellner, F. Eisenhauer, S. Lacour, C. Straubmeier, J.-P. Berger, L. Jocou, W. Chibani, S. Lüst, D. Moch, O. Pfuhl, W. Fabian, C. Araujo-Hauck, K. Perraut, W. Brandner, G. Perrin, A. Amorim

Proceedings Volume 7734, 773421 (2010) https://doi.org/10.1117/12.856698

KEYWORDS: Metrology, Calibration, Phase shifts, Laser metrology, Infrared cameras, Diodes, Telescopes, Sensors, Phase measurement, Cameras

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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 Open Access

Open Access

Paper

Study of the science capabilities of PRIMA in the Galactic Center

H. Bartko, O. Pfuhl, F. Eisenhauer, R. Genzel, S. Gillessen, S. Rabien, R. Abuter, G. v. Belle, F. Delplancke, S. Menardi, J. Sahlmann

Proceedings Volume 7013, 70134K (2008) https://doi.org/10.1117/12.787319

KEYWORDS: Stars, Infrared imaging, Astatine, Galactic astronomy, Interferometers, General relativity, Near infrared, Interferometry, Distance measurement

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Proceedings Article | 28 July 2008 Paper

Paper

Fringe detection laser metrology for differential astrometric stellar interferometers

S. Rabien, S. Gillessen, J. Ziegleder, Markus Thiel, Alex Gräter, Marcus Haug, F. Eisenhauer, Guy Perrin, Wolfgang Brandner, Christian Straubmeier

Proceedings Volume 7013, 70130I (2008) https://doi.org/10.1117/12.788099

KEYWORDS: Metrology, Phase measurement, Interferometers, Mirrors, Telescopes, Fringe analysis, Stars, Light scattering, Calibration, Laser metrology

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Proceedings Article | 28 July 2008 Paper

Paper

Fringe tracking optimization with 4 beams: application to GRAVITY

K. Houairi, F. Cassaing, G. Perrin, F. Eisenhauer, W. Brandner, C. Straubmeier, S. Gillessen

Proceedings Volume 7013, 70131B (2008) https://doi.org/10.1117/12.790967

KEYWORDS: Sensors, Phase measurement, Stars, Interferometers, Atmospheric propagation, Atmospheric modeling, Detection and tracking algorithms, Adaptive optics, Demodulation, Visibility

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Proceedings Article | 28 June 2006 Open Access

Open Access

Paper

GRAVITY: the adaptive-optics-assisted two-object beam combiner instrument for the VLTI

S. Gillessen, G. Perrin, W. Brandner, C. Straubmeier, F. Eisenhauer, S. Rabien, A. Eckart, P. Lena, R. Genzel, T. Paumard, S. Hippler

Proceedings Volume 6268, 626811 (2006) https://doi.org/10.1117/12.671431

KEYWORDS: Stars, Telescopes, Wavefront sensors, Interferometry, Infrared radiation, Metrology, Infrared sensors, Infrared telescopes, Adaptive optics, Infrared imaging

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Showing 5 of 39 publications

Conference Committee Involvement (1)

Optical and Infrared Interferometry III

1 July 2012 | Amsterdam, Netherlands

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