Dr. Alexander P. Gräter Profile

Dr. Alexander P. Gräter

at Max-Planck-Institut für extraterrestrische Physik

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 12 September 2012 Paper

The final design of the GRAVITY acquisition camera and associated VLTI beam monitoring strategy

Antonio Amorim, Jorge Lima, Narsireddy Anugu, Frank Eisenhauer, Alexander Graeter, Marcus Haug, Thomas Ott, Oliver Pfuhl, Markus Thiel, Ekkehard Wieprecht, Pedro Carvas, Paulo Garcia, Guy Perrin, Wolfgang Brandner, Christian Straubmeier, Karine Perraut

Proceedings Volume 8445, 844534 (2012) https://doi.org/10.1117/12.925993

KEYWORDS: Sensors, Cameras, Imaging systems, Telescopes, Lenses, Beam analyzers, Metrology, Semiconductor lasers, Mirrors, Image sensors

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Proceedings Article | 22 July 2010 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 | 22 July 2010 Open Access

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

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 | 28 July 2008 Open Access

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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