Dr. Walfried Raab Profile

Dr. Walfried Raab

at European Space Research and Technology Ctr

SPIE Involvement:

Author

Publications (31)

Proceedings Article | 13 December 2020 Presentation

Presentation

First evaluation of the CCD370 for the soft X-ray imager on the ESA-CAS SMILE mission

Peter Verhoeve, Walfried Raab, Thibaut Prod'homme, Cornelis van der Luijt, Joerg Ter Haar, Frederic Lemmel, Hans Smit, Sander Blommaert, Dennis Breeveld, Brian Shortt

Proceedings Volume 11454, 114540W (2020) https://doi.org/10.1117/12.2561287

KEYWORDS: X-ray imaging, Solar processes, X-rays, Sensors, Space operations, Magnetosphere, Auroras, Extreme ultraviolet, Telescopes, Charge-coupled devices

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Proceedings Article | 9 August 2016 Paper

Paper

FIFI-LS diffraction grating vibration on SOFIA

Felix Rebell, Simon Beckmann, Aaron Bryant, Sebastian Colditz, Christian Fischer, Fabio Fumi, Rainer Hoenle, Norbert Geis, Christof Iserlohe, Randolf Klein, Alfred Krabbe, Leslie Looney, Albrecht Poglitsch, Walfried Raab, Maureen Savage

Proceedings Volume 9908, 99082D (2016) https://doi.org/10.1117/12.2231695

KEYWORDS: Far infrared, Telescopes, Infrared spectroscopy, Sensors, Spectroscopy, Diffraction gratings, Polonium, Optical design, Optical benches, Actuators

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Proceedings Article | 27 July 2016 Paper

Paper

First on-sky results with ARGOS at LBT

G. Orban de Xivry, S. Rabien, L. Busoni, W. Gaessler, M. Bonaglia, J. Borelli, M. Deysenroth, S. Esposito, H. Gemperlein, M. Kulas, M. Lefebvre, T. Mazzoni, D. Peter, A. Puglisi, W. Raab, G. Rahmer, A. Sivitilli, J. Storm, J. Ziegleder

Proceedings Volume 9909, 990936 (2016) https://doi.org/10.1117/12.2240094

KEYWORDS: Adaptive optics, Telescopes, Astronomical imaging, Point spread functions, Mirrors, Stars, Sensors, Wavefront sensors, Electroluminescent displays, Space telescopes

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Proceedings Article | 15 July 2016 Paper

Paper

Observing with FIFI-LS on SOFIA: time estimates and strategies to use a field imaging spectrometer on an airborne observatory

Christian Fischer, Aaron Bryant, Siman Beckmann, Sebastian Colditz, Fabio Fumi, Norbert Geis, Thomas Henning, Rainer Hönle, Christof Iserlohe, Randolf Klein, Alfred Krabbe, Leslie Looney, Albrecht Poglitsch, Walfried Raab, Felix Rebell, Christopher Trinh

Proceedings Volume 9910, 991027 (2016) https://doi.org/10.1117/12.2232148

KEYWORDS: Observatories, Spectroscopy, Data archive systems, Advanced distributed simulations, X-rays, Data centers, Analytical research, Current controlled current source, Data analysis, Databases

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Proceedings Article | 11 July 2016 Paper

Paper

SMILE: a joint ESA/CAS mission to investigate the interaction between the solar wind and Earth's magnetosphere

Walfried Raab, Graziella Branduardi-Raymont, Chi Wang, Lei Dai, Eric Donovan, Greg Enno, Philippe Escoubet, Andrew Holland, Li Jing, Dhiren Kataria, Lei Li, Andy Read, Denis Rebuffat, Jens Romstedt, Chris Runciman, Steve Sembay, Emma Spanswick, Jon Sykes, Julian Thornhill, Arno Wielders, Aibing Zhang, Jianhua Zheng

Proceedings Volume 9905, 990502 (2016) https://doi.org/10.1117/12.2231984

KEYWORDS: Ultraviolet radiation, Sensors, Imaging spectroscopy, Spectrographs, Planets, Galactic astronomy, Stars, Microchannel plates, Astrophysics, Spectroscopy

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Proceedings Article | 6 August 2014 Paper

Paper

Boresight calibration of FIFI-LS: in theory, in the lab and on sky

Sebastian Colditz, Randolf Klein, Simon Beckmann, Aaron Bryant, Christian Fischer, Fabio Fumi, Norbert Geis, Rainer Hönle, Alfred Krabbe, Leslie Looney, Albrecht Poglitsch, Walfried Raab, Sarah Ragan, Felix Rebell, Maureen Savage

Proceedings Volume 9147, 91474S (2014) https://doi.org/10.1117/12.2055335

KEYWORDS: Telescopes, Calibration, Device simulation, Mirrors, Space telescopes, Instrument modeling, Mars, Observatories, Channel projecting optics, Sensors

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Proceedings Article | 6 August 2014 Paper

Paper

Early laser operations at the Large Binocular Telescope Observatory

Gustavo Rahmer, Michael Lefebvre, Julian Christou, Walfried Raab, Sebastian Rabien, Julian Ziegleder, José Borelli, Wolfgang Gässler

Proceedings Volume 9149, 91492A (2014) https://doi.org/10.1117/12.2056774

KEYWORDS: Telescopes, Laser safety, Space telescopes, Observatories, Laser systems engineering, Safety, Space operations, Satellites, Mirrors, Visualization

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Proceedings Article | 21 July 2014 Paper

Paper

The ARGOS laser system: green light for ground layer adaptive optics at the LBT

Walfried Raab, Sebastian Rabien, Wolfgang Gässler, Simone Esposito, Lothar Barl, Jose Borelli, Matthias Daysenroth, Hans Gemperlein, Martin Kulas, Julian Ziegleder

Proceedings Volume 9148, 91483K (2014) https://doi.org/10.1117/12.2056299

KEYWORDS: Mirrors, Laser systems engineering, Telescopes, Laser guide stars, Cameras, Adaptive optics, Stars, Wavefront sensors, Polarization, Laser beam propagation

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Proceedings Article | 21 July 2014 Paper

Paper

Status of the ARGOS project

Sebastian Rabien, Lothar Barl, Udo Beckmann, Marco Bonaglia, José Luis Borelli, Joar Brynnel, Peter Buschkamp, Lorenzo Busoni, Julian Christou, Claus Connot, Richard Davies, Matthias Deysenroth, Simone Esposito, Wolfgang Gässler, Hans Gemperlein, Michael Hart, Martin Kulas, Michael Lefebvre, Michael Lehmitz, Tommaso Mazzoni, Edmund Nussbaum, Gilles Orban de Xivry, Diethard Peter, Andreas Quirrenbach, Walfried Raab, Gustavo Rahmer, Jesper Storm, Julian Ziegleder

Proceedings Volume 9148, 91481B (2014) https://doi.org/10.1117/12.2055932

KEYWORDS: Wavefront sensors, Sensors, Telescopes, Laser guide stars, Mirrors, Adaptive optics, Calibration, Stars, Laser systems engineering, Imaging spectroscopy

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Proceedings Article | 21 July 2014 Paper

Paper

ARGOS laser system mechanical design

M. Deysenroth, M. Honsberg, H. Gemperlein, J. Ziegleder, W. Raab, S. Rabien, L. Barl, W. Gässler, J. Borelli

Proceedings Volume 9148, 91483H (2014) https://doi.org/10.1117/12.2055727

KEYWORDS: Mirrors, Pulsed laser operation, Laser systems engineering, Stars, Cameras, Telescopes, Adaptive optics, Imaging systems, Polarization, Optical alignment

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Proceedings Article | 8 July 2014 Paper

Paper

FIFI-LS observation planning and data reduction

Aaron Bryant, Christian Fischer, Rainer Hönle, Simon Beckmann, Sebastian Colditz, Fabio Fumi, Norbert Geis, Christof Iserlohe, Randolf Klein, Alfred Krabbe, Leslie Looney, Albrecht Poglitsch, Walfried Raab, Sarah Ragan, Felix Rebell, Maureen Savage

Proceedings Volume 9147, 91474G (2014) https://doi.org/10.1117/12.2055565

KEYWORDS: Telescopes, Sensors, Human-machine interfaces, Astronomy, Computing systems, Observatories, Signal to noise ratio, Electronics, Signal processing, Signal detection

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Proceedings Article | 8 July 2014 Paper

Paper

FIFI-LS: the facility far-infrared spectrometer for SOFIA

Randolf Klein, Simon Beckmann, Aaron Bryant, Sebastian Colditz, Christian Fischer, Fabio Fumi, Norbert Geis, Rainer Hönle, Alfred Krabbe, Leslie Looney, Albrecht Poglitsch, Walfried Raab, Felix Rebell, Maureen Savage

Proceedings Volume 9147, 91472X (2014) https://doi.org/10.1117/12.2055371

KEYWORDS: Telescopes, Spectroscopy, Observatories, Space telescopes, Spectral resolution, Astronomy, Mirrors, Detector arrays, Signal to noise ratio, Atmospheric modeling

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Proceedings Article | 8 July 2014 Paper

Paper

Precise angular positioning at 6K: the FIFI-LS grating assembly

Felix Rebell, Walfried Raab, Sebastian Colditz, Simon Beckmann, Aaron Bryant, Christian Fischer, Fabio Fumi, Norbert Geis, Rainer Hönle, Randolf Klein, Alfred Krabbe, Leslie Looney, Albrecht Poglitsch, Sarah Ragan, Maureen Savage

Proceedings Volume 9147, 914735 (2014) https://doi.org/10.1117/12.2055458

KEYWORDS: Optical design, Telescopes, Cryogenics, Optical benches, Far infrared, Infrared spectroscopy, Spectroscopy, Infrared imaging, Infrared radiation, Sensors

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Proceedings Article | 24 September 2012 Paper

Paper

The SOFIA far-infrared spectrometer FIFI-LS: spearheading a post Herschel era

Sebastian Colditz, Fabio Fumi, Norbert Geis, Rainer Hönle, Randolf Klein, Alfred Krabbe, Leslie Looney, Albrecht Poglitsch, Walfried Raab, Maureen Savage, Felix Rebell, Christian Fischer

Proceedings Volume 8446, 844617 (2012) https://doi.org/10.1117/12.924510

KEYWORDS: Spectroscopy, Picture Archiving and Communication System, Sensors, Telescopes, Mirrors, Galactic astronomy, Diffraction gratings, Detector arrays, Helium, Optical benches

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Proceedings Article | 13 September 2012 Paper

Paper

Status of the ARGOS ground layer adaptive optics system

Wolfgang Gässler, Sebastian Rabien, Simone Esposito, Michael Lloyd-Hart, Lothar Barl, Udo Beckmann, Thomas Bluemchen, Marco Bonaglia, José Luis Borelli, Guido Brusa, Joar Brynnel, Peter Buschkamp, Lorenzo Busoni, Luca Carbonaro, Claus Connot, Richard Davies, Matthias Deysenroth, Olivier Durney, Richard Green, Hans Gemperlein, Victor Gasho, Marcus Haug, Pete Hubbard, Sebastian Ihle, Martin Kulas, Reinhard Lederer, Jason Lewis, Christina Loose, Michael Lehmitz, Jamison Noenickx, Edmund Nussbaum, Gilles Orban de Xivry, Diethard Peter, Andreas Quirrenbach, Matt Rademacher, Walfried Raab, Jesper Storm, Christian Schwab, Vidhya Vaitheeswaran, Julian Ziegleder

Proceedings Volume 8447, 844702 (2012) https://doi.org/10.1117/12.926167

KEYWORDS: Telescopes, Wavefront sensors, Mirrors, Sensors, Adaptive optics, Laser systems engineering, Calibration, Laser guide stars, Stars, Optical fabrication

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Proceedings Article | 13 September 2012 Paper

Paper

Testing and integrating the laser system of ARGOS: the ground layer adaptive optics for LBT

C. Loose, S. Rabien, L. Barl, J. Borelli, M. Deysenroth, W. Gaessler, H. Gemperlein, M. Honsberg, M. Kulas, R. Lederer, W. Raab, G. Rahmer, J. Ziegleder

Proceedings Volume 8447, 84474I (2012) https://doi.org/10.1117/12.927101

KEYWORDS: Laser systems engineering, Mirrors, Telescopes, Cameras, Head, Adaptive optics, Device simulation, System integration, Pulsed laser operation, Lasers

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Proceedings Article | 15 July 2010 Paper

Paper

Development of a large scale stressed Ge:Ga detector array for SAFARI

Walfried Raab, Albrecht Poglitsch, Rainer Höhnle, Lothar Barl

Proceedings Volume 7741, 77410C (2010) https://doi.org/10.1117/12.856998

KEYWORDS: Sensors, Multiplexers, Photoresistors, Picture Archiving and Communication System, Chromium, Electronics, Prototyping, Cryogenics, Detector development, Detector arrays

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Proceedings Article | 15 July 2010 Paper

Paper

Development of a far-infrared Ge:Ga monolithic array for a possible application to SPICA

Mai Shirahata, Shuhei Kamiya, Shuji Matsuura, Mitsunobu Kawada, Yoshihiro Sawayama, Yasuo Doi, Takao Nakagawa, Takehiko Wada, Hidehiro Kawada, Ybe Creten, Burak Okcan, Walfried Raab, Albrecht Poglitsch

Proceedings Volume 7741, 77410B (2010) https://doi.org/10.1117/12.857772

KEYWORDS: Sensors, Electrodes, Germanium, Prototyping, Photoresistors, Electronics, Cryogenics, Transmittance, Chromium, Gold

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Proceedings Article | 15 July 2010 Open Access

Open Access

Paper

FIFI LS getting ready to fly aboard SOFIA

R. Klein, A. Poglitsch, W. Raab, N. Geis, M. Hamidouche, L. Looney, R. Hönle, K. Nishikida, R. Genzel, Th. Henning

Proceedings Volume 7735, 77351T (2010) https://doi.org/10.1117/12.856530

KEYWORDS: Spectroscopy, Galactic astronomy, Stars, Helium, Liquids, Detector arrays, Telescopes, Observatories, Spectral resolution, Far infrared

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Proceedings Article | 25 July 2008 Open Access

Open Access

Paper

Verification of the optical system performance of FIFI-LS: the field-imaging far-infrared line spectrometer for SOFIA

Mario Schweitzer, Albrecht Poglitsch, Walfried Raab, Randolf Klein, Rainer Hönle, Norbert Geis, Reinhard Genzel, Leslie Looney, M. Hamidouche, Thomas Henning

Proceedings Volume 7014, 70140Z (2008) https://doi.org/10.1117/12.787383

KEYWORDS: Device simulation, Telescopes, Spectroscopy, Diffraction, Sensors, Mirrors, Diffraction gratings, Spectral calibration, Point spread functions, Far infrared

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Proceedings Article | 12 July 2008 Paper

Paper

The European contribution to the SPICA mission

Bruce Swinyard, Takao Nakagawa, Hideo Matsuhara, Doug Griffin, Marc Ferlet, Paul Eccleston, Anna di Giorgio, Jochem Baselmans, Javier Goicoechea, Kate Isaak, Phillip Mauskopf, Louis Rodriguez, Frederic Pinsard, Walfried Raab, Lionel Duband, Nicholas Luchier, Nicola Rando, Ana Heras, Thomas Jagemann, Norbert Geis, Sebastien Vives

Proceedings Volume 7010, 70100I (2008) https://doi.org/10.1117/12.789195

KEYWORDS: Space telescopes, Telescopes, Mirrors, Sensors, Optical benches, Space operations, Optical instrument design, Diffraction, Satellites, Far infrared

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Proceedings Article | 29 June 2006 Open Access

Open Access

Paper

FIFI LS: the far-infrared integral field spectrometer for SOFIA

R. Klein, A. Poglitsch, W. Raab, N. Geis, M. Hamidouche, L. Looney, R. Hönle, M. Schweitzer, W. Viehhauser, R. Genzel, E. Haller, Th. Henning

Proceedings Volume 6269, 62691F (2006) https://doi.org/10.1117/12.671505

KEYWORDS: Sensors, Spectroscopy, Telescopes, Mirrors, Helium, Cryogenics, Observatories, Control systems, Chromium, Liquids

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Proceedings Article | 29 June 2006 Open Access

Open Access

Paper

Characterizing the system performance of FIFI LS: the field-imaging far-infrared line spectrometer for SOFIA

W. Raab, A. Poglitsch, R. Klein, R. Hoenle, M. Schweizer, W. Viehhauser, N. Geis, R. Genzel, L. Looney, M. Hamidouche, T. Henning, E. Haller

Proceedings Volume 6269, 62691G (2006) https://doi.org/10.1117/12.671483

KEYWORDS: Spectroscopy, Diffraction gratings, Sensors, Mirrors, Diffraction, Detector arrays, Liquids, Helium, Collimators, Optical filters

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Proceedings Article | 30 September 2004 Open Access

Open Access

Paper

FIFI LS: the far-infrared integral field spectrometer for SOFIA

Walfried Raab, Albrecht Poglitsch, Leslie Looney, Randolf Klein, Norbert Geis, Rainer Hoenle, Werner Viehhauser, Reinhard Genzel, Murad Hamidouche, Thomas Henning, Eugene Haller

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.550435

KEYWORDS: Mirrors, Spectroscopy, Diffraction gratings, Cryogenics, Liquids, Sensors, Collimators, Diffraction, Detector arrays, Helium

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Proceedings Article | 15 September 2004 Paper

Paper

Real-time operation without a real-time operating system for instrument control and data acquisition

Randolf Klein, Albrecht Poglitsch, Fabio Fumi, Norbert Geis, Murad Hamidouche, Rainer Hoenle, Leslie Looney, Walfried Raab, Werner Viehhauser

Proceedings Volume 5496, (2004) https://doi.org/10.1117/12.551111

KEYWORDS: Chromium, Clocks, Sensors, Operating systems, Spectroscopy, Data acquisition, Data processing, Control systems, Capacitors, Observatories

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Proceedings Article | 3 March 2003 Open Access

Open Access

Paper

FIFI LS: a far-infared 3D spectral imager for SOFIA

Leslie Looney, Walfried Raab, Albrecht Poglitsch, Norbert Geis, Dirk Rosenthal, Rainer Hoenle, Randolf Klein, Fabio Fumi, Reinhard Genzel, Thomas Henning

Proceedings Volume 4857, (2003) https://doi.org/10.1117/12.458631

KEYWORDS: Spectroscopy, Liquids, Sensors, Helium, Galactic astronomy, Detector arrays, Nitrogen, Cryogenics, Telescopes, Astronomy

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Proceedings Article | 3 March 2003 Open Access

Open Access

Paper

FIFI LS: the optical design and diffraction analysis

Walfried Raab, Leslie Looney, Albrecht Poglitsch, Norbert Geis, Rainer Hoenle, Dirk Rosenthal, Reinhard Genzel

Proceedings Volume 4857, (2003) https://doi.org/10.1117/12.458629

KEYWORDS: Mirrors, Diffraction, Spectroscopy, Diffraction gratings, Optical design, Sensors, Collimators, Spectral resolution, Polarization, Telescopes

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Proceedings Article | 20 June 2000 Paper

Paper

16 x 25 Ge:Ga detector arrays for FIFI LS

Dirk Rosenthal, Jeffrey Beeman, Norbert Geis, Leslie Looney, Albrecht Poglitsch, Won Park, Walfried Raab, Alexander Urban

Proceedings Volume 4014, (2000) https://doi.org/10.1117/12.389096

KEYWORDS: Sensors, Detector arrays, Electronics, Signal detection, Cryogenics, Quantum efficiency, Spectroscopy, Prototyping, Far infrared, Infrared spectroscopy

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Proceedings Article | 20 June 2000 Open Access

Open Access

Paper

Realizing 3D spectral imaging in the far-infrared: FIFI LS

Leslie Looney, Norbert Geis, Reinhard Genzel, Won Park, Albrecht Poglitsch, Walfried Raab, Dirk Rosenthal, Alexander Urban, Thomas Henning

Proceedings Volume 4014, (2000) https://doi.org/10.1117/12.389112

KEYWORDS: Spectroscopy, Mirrors, Liquids, Diffraction gratings, Helium, Detector arrays, Nitrogen, Cryogenics, 3D modeling, Calibration

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Proceedings Article | 6 December 1999 Paper

Paper

Field imaging far-infrared line spectrometer FIFI LS

Walfried Raab, Norbert Geis, Leslie Looney, Albrecht Poglitsch, Dirk Rosenthal, Alexander Urban, Thomas Henning, Jeffrey Beeman

Proceedings Volume 3759, (1999) https://doi.org/10.1117/12.372662

KEYWORDS: Spectroscopy, Sensors, Liquids, Diffraction gratings, Detector arrays, Helium, Cryogenics, Spectrographs, Telescopes, Nitrogen

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Proceedings Article | 21 August 1998 Paper

Paper

FIFI LS: a field-imaging far-infrared line spectrometer for SOFIA

Norbert Geis, Albrecht Poglitsch, Walfried Raab, Dirk Rosenthal, Guenther Kettenring, Jeffrey Beeman

Proceedings Volume 3354, (1998) https://doi.org/10.1117/12.317300

KEYWORDS: Sensors, Spectroscopy, Telescopes, Detector arrays, Diffraction gratings, Multiplexing, Mirrors, Calibration, Diffraction, Photoresistors

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Showing 5 of 31 publications

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