Dr. Armin Silber Profile

Dr. Armin Silber

at European Southern Observatory

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

FORS-Up: Making the most versatile instrument in Paranal ready for 15 more years of operations

H. M. Boffin, F. Dérie, A. Manescau, R. Siebenmorgen, V. Baldini, G. Calderone, R. Cirami, I. Coretti, P. Di Marcantonio, J. Kosmalski, P. Lilley, S. Moehler, M. Nonino, G. Rupprecht, A. Silber

Proceedings Volume 11447, 114477A (2020) https://doi.org/10.1117/12.2562244

KEYWORDS: Astronomical imaging, Spectroscopes, Standards development, Observatories, Large telescopes, Spectrographs, Polarimetry, Imaging spectroscopy, Optical spectroscopy imaging, Optical spectroscopy

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Proceedings Article | 6 August 2014 Paper

Paper

Future-oriented maintenance strategy based on automated processes is finding its way into large astronomical facilities at remote observing sites

Armin Silber, Christian Gonzalez, Francisco Pino, Patricio Escarate, Stefan Gairing

Proceedings Volume 9149, 91492F (2014) https://doi.org/10.1117/12.2056046

KEYWORDS: Head, Observatories, Cryogenics, Helium, Astronomy, Contamination, Photonic integrated circuits, Receivers, Antennas, Pollution

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Proceedings Article | 27 September 2012 Paper

Paper

VISIR upgrade overview and status

Florian Kerber, Hans Ulrich Käufl, Pedro Baksai, Danuta Dobrzycka, Gert Finger, Derek Ives, Gerd Jakob, Eric Lagadec, Lars Lundin, Dimitri Mawet, Leander Mehrgan, Margaret Moerchen, Yazan Momany, Vincent Moreau, Eric Pantin, Miguel Riquelme, Ralf Siebenmorgen, Armin Silber, Alain Smette, Julian Taylor, Mario van den Ancker, Lars Venema, Ueli Weilenmann, Irina Yegorova

Proceedings Volume 8446, 84460E (2012) https://doi.org/10.1117/12.924979

KEYWORDS: Spectroscopy, Sensors, Imaging spectroscopy, Mid-IR, Calibration, Prisms, Coronagraphy, Observatories, Imaging systems, Stars

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Proceedings Article | 24 September 2012 Paper

Paper

The high altitude qualification tests of the cryogenic and vacuum system for ALMA

Armin Silber

Proceedings Volume 8452, 84523D (2012) https://doi.org/10.1117/12.925194

KEYWORDS: Cryogenics, Antennas, Helium, Observatories, Diagnostics, Temperature metrology, Astronomy, Adaptive optics, Head, Receivers

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Proceedings Article | 13 September 2012 Paper

Paper

New challenges for the maintenance strategies on large astronomical facilities at remote observing sites

Armin Silber

Proceedings Volume 8448, 844818 (2012) https://doi.org/10.1117/12.925903

KEYWORDS: Observatories, Contamination, Cryogenics, Astronomy, Head, Diagnostics, Particles, Medicine, Coating, Large telescopes

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Proceedings Article | 28 July 2010 Paper

Paper

Manufacturing of the ESO adaptive optics facility

R, Arsenault, P.-Y. Madec, N. Hubin, S. Stroebele, J. Paufique, E. Vernet, W. Hackenberg, J.-F. Pirard, L. Jochum, A. Glindemann, A. Jost, R. Conzelmann, M. Kiekebusch, S. Tordo, J.-L. Lizon, R. Donaldson, E. Fedrigo, C. Soenke, M. Duchateau, A. Bruton, B. Delabre, M. Downing, J. Reyes, J. Kolb, C. Bechet, M. Lelouarn, D. Bonaccini Calia, M. Quattri, I. Guidolin, B. Buzzoni, C. Dupuy, R. Guzman, M. Comin, A. Silber, J. Quentin, P. La Penna, A. Manescau, P. Jolley, V. Heinz, P. Duhoux, J. Argomedo, D. Gallieni, P. Lazzarini, R. Biasi, M. Andrighettoni, G. Angerer, D. Pescoller, R, Stuik, A. Deep

Proceedings Volume 7736, 77360L (2010) https://doi.org/10.1117/12.857973

KEYWORDS: Telescopes, Adaptive optics, Mirrors, Laser guide stars, Sensors, Optics manufacturing, Real-time computing, Manufacturing, Actuators, Cameras

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Proceedings Article | 22 July 2010 Paper

Paper

A hybrid liquid nitrogen system for the cooling of the ESO OmegaCAM detector

J. L. Lizon, A. Silber, G. Jakob

Proceedings Volume 7739, 77393H (2010) https://doi.org/10.1117/12.856095

KEYWORDS: Sensors, Nitrogen, Cooling systems, Liquids, Cryogenics, Telescopes, Charge-coupled devices, CCD image sensors, Cameras, Space telescopes

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Proceedings Article | 4 July 2006 Paper

Paper

First light of the ESO laser guide star facility

D. Bonaccini Calia, E. Allaert, J. Alvarez, C. Araujo Hauck, G. Avila, E. Bendek, B. Buzzoni, M. Comin, M. Cullum, R. Davies, M. Dimmler, I. Guidolin, W. Hackenberg, S. Hippler, S. Kellner, A. van Kesteren, F. Koch, U. Neumann, T. Ott, D. Popovic, F. Pedichini, M. Quattri, J. Quentin, S. Rabien, A. Silber, M. Tapia

Proceedings Volume 6272, 627207 (2006) https://doi.org/10.1117/12.674484

KEYWORDS: Telescopes, Sodium, Laser guide stars, Adaptive optics, Fiber lasers, LIDAR, Scattering, Continuous wave operation, Laser scattering, Observatories

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Proceedings Article | 28 June 2006 Paper

Paper

HAWK-I: the new wide-field IR imager for the VLT

Mark Casali, Jean-Francois Pirard, Markus Kissler-Patig, Alan Moorwood, Luigi Bedin, Peter Biereichel, Bernard Delabre, Reinhold Dorn, Gert Finger, Domingo Gojak, Gotthard Huster, Yves Jung, Franz Koch, Jean-Louis Lizon, Leander Mehrgan, Eszter Pozna, Armin Silber, Barbara Sokar, Joerg Stegmeier

Proceedings Volume 6269, 62690W (2006) https://doi.org/10.1117/12.670150

KEYWORDS: Sensors, Infrared imaging, Adaptive optics, Imaging systems, Infrared cameras, Infrared radiation, Stars, Galactic astronomy, Computer aided design, Infrared detectors

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Proceedings Article | 27 June 2006 Paper

Paper

Resonant electro-optical modulator for high laser-power single-mode fiber relay

W. Hackenberg, M. Zaehringer, A. Silber

Proceedings Volume 6272, 62724D (2006) https://doi.org/10.1117/12.673190

KEYWORDS: Modulators, Crystals, Fiber lasers, Relays, Electrooptic modulators, Laser guide stars, Electro optics, Phase shifts, Single mode fibers, Modulation

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Proceedings Article | 15 June 2006 Paper

Paper

The OmegaCAM 16K x 16K CCD detector system for the ESO VLT Survey Telescope (VST)

Olaf Iwert, D. Baade, A. Balestra, A. Baruffolo, A. Bortolussi, F. Christen, C. Cumani, S. Deiries, M. Downing, C. Geimer, G. Hess, J. Hess, K. Kuijken, J. Lizon, B. Muschielok, H. Nicklas, R. Reiss, J. Reyes, A. Silber, J. Thillerup, E. Valentijn

Proceedings Volume 6276, 62760A (2006) https://doi.org/10.1117/12.671599

KEYWORDS: Charge-coupled devices, Sensors, Head, Cooling systems, CCD image sensors, Telescopes, Camera shutters, Space telescopes, Control systems, Interfaces

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A 16K x 16K, 1 degree x 1 degree field, detector system was developed by ESO for the OmegaCAM instrument for use on the purpose built ESO VLT Survey Telescope (VST). The focal plane consists of an 8 x 4 mosaic of 2K x 4K 15um pixel e2v CCDs and four 2K x 4K CCDs on the periphery for the opto-mechanical control of the telescope. The VST is a single instrument telescope. This placed stringent reliability requirements on the OmegaCAM detector system such as 10 years lifetime and maximum downtime of 1.5 %. Mounting at Cassegrain focus required a highly autonomous self-contained cooling system that could deliver 65 W of cooling power. Interface space for the detector head was severely limited by the way the instrument encloses the CCD cryostat. The detector system features several novel ideas tailored to meet these requirements and described in this paper: Key design drivers of the detector head were the easily separable but precisely aligned connections to the optical field flattener on the top and the cooling system at the bottom. Material selection, surface treatment, specialized coatings and in-situ plasma cleaning were crucial to prevent contamination of the detectors. Inside the cryostat, cryogenic and electrical connections were disentangled to keep the configuration modular, integration friendly and the detectors in a safe condition during all mounting steps. A compact unit for logging up to 125 Pt100 temperature sensors and associated thermal control loops was developed (ESO's new housekeeping unit PULPO 2), together with several new modular Pt100 packaging and mounting concepts. The electrical grouping of CCDs based on process parameters and test results is explained. Three ESO standardized FIERA CCD controllers in different configurations are used. Their synchronization mechanism for read-out is discussed in connection with the CCD grouping scheme, the shutter, and the integrated guiding and image analysis facility with four independent 2K x 4K CCDs. An illustration of the data chain performance from CCD output to storage on hard-disk gives an impression of the challenge to shift 512 MB of data within 45 seconds via the standardized hierarchical ESO data acquisition network. Finally the safety and emergency features of the overall system are presented.

Proceedings Article | 25 October 2004 Paper

Paper

MACAO-VLTI adaptive optics systems performance

Robin Arsenault, Rob Donaldson, Christophe Dupuy, Enrico Fedrigo, Norbert Hubin, Liviu Ivanescu, Markus Kasper, Sylvain Oberti, Jerome Paufique, Silvio Rossi, Armin Silber, Bernhard Delabre, Jean-Louis Lizon, Pierre Gigan

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.552548

KEYWORDS: Adaptive optics, Calibration, Stars, Telescopes, Mirrors, Electrodes, Matrices, Deformable mirrors, Sensors, Neptune

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Proceedings Article | 30 September 2004 Paper

Paper

HAWK-I: A new wide-field 1- to 2.5-μm imager for the VLT

Jean-Francois Pirard, Markus Kissler-Patig, Alan Moorwood, Peter Biereichel, Bernard Delabre, Reinhold Dorn, Gert Finger, Domingo Gojak, Gotthard Huster, Yves Jung, Franz Koch, Miska Le Louarn, Jean-Louis Lizon, Leander Mehrgan, Eszter Pozna, Armin Silber, Barbara Sokar, Joerg Stegmeier

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.578293

KEYWORDS: Sensors, Mirrors, Cryogenics, Optical filters, Telescopes, Imaging systems, Near infrared, Adaptive optics, Cameras, Stars

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Proceedings Article | 30 September 2004 Paper

Paper

CRIRES: a high-resolution infrared spectrograph for ESO's VLT

Hans-Ulrich Kaeufl, Pascal Ballester, Peter Biereichel, Bernard Delabre, Rob Donaldson, Reinhold Dorn, Enrico Fedrigo, Gert Finger, Gerhard Fischer, Francis Franza, Domingo Gojak, Gotthard Huster, Yves Jung, Jean-Louis Lizon, Leander Mehrgan, Manfred Meyer, Alan Moorwood, Jean-Francois Pirard, Jerome Paufique, Eszter Pozna, Ralf Siebenmorgen, Armin Silber, Joerg Stegmeier, Stefan Wegerer

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.551480

KEYWORDS: Sensors, Infrared radiation, Spectrographs, Calibration, Adaptive optics, Stars, Infrared spectroscopy, Cryogenics, Prisms, Spectral resolution

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Proceedings Article | 29 September 2004 Paper

Paper

The CRIRES InSb megapixel focal plane array detector mosaic

Reinhold Dorn, Gert Finger, Gotthard Huster, Hans-Ulrich Kaeufl, Jean-Louis Lizon, Leander Mehrgan, Manfred Meyer, Jean-Francois Pirard, Armin Silber, Joerg Stegmeier, Alan Moorwood

Proceedings Volume 5499, (2004) https://doi.org/10.1117/12.551501

KEYWORDS: Sensors, Staring arrays, Ceramics, Black bodies, Aluminum nitride, Infrared sensors, Infrared spectroscopy, Cryogenics, Photons, Connectors

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Proceedings Article | 7 February 2003 Paper

Paper

MACAO-VLTI: an adaptive optics system for the ESO Interferometer

Robin Arsenault, Jaime Alonso, Henri Bonnet, Joar Brynnel, Bernard Delabre, Robert Donaldson, Christophe Dupuy, Enrico Fedrigo, Jacopo Farinato, Norbert Hubin, L. Ivanescu, Markus Kasper, J. Paufique, S. Rossi, Sebastien Tordo, Stefan Stroebele, Jean-Luis Lizon, Pierre Gigan, Francoise Delplancke, A. Silber, Marco Quattri, Roland Reiss

Proceedings Volume 4839, (2003) https://doi.org/10.1117/12.458836

KEYWORDS: Adaptive optics, Mirrors, Avalanche photodetectors, Real-time computing, Sensors, Wavefronts, Electrodes, Interferometers, Imaging systems, Telescopes

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Proceedings Article | 21 March 1997 Paper

Paper

Megapixel infrared arrays at the European Southern Observatory

Gert Finger, Peter Biereichel, Jean-Luis Lizon, Hamid Mehrgan, Manfred Meyer, Alan Moorwood, Gianalfredo Nicolini, A. Silber, Joerg Stegmeier

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.269004

KEYWORDS: Sensors, Infrared radiation, Quantum efficiency, Nondestructive evaluation, Video, Mercury cadmium telluride, Thermography, Data acquisition, Cameras, Signal detection

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Showing 5 of 17 publications

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