Prof. Torben E. Andersen Profile

Prof. Torben E. Andersen

Prof. emer. at Lund Observatory

SPIE Involvement:

Author

Publications (44)

SPIE Journal Paper | 10 July 2020 Open Access

Image-based wavefront sensing for astronomy using neural networks

Torben Andersen, Mette Owner-Petersen, Anita Enmark

JATIS, Vol. 6, Issue 03, 034002, (July 2020) https://doi.org/10.1117/12.10.1117/1.JATIS.6.3.034002

KEYWORDS: Education and training, Image sharpness, Wavefront errors, Neural networks, Point spread functions, Wavefront sensors, Wavefronts, Stars, Astronomy, Telescopes

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Proceedings Article | 10 July 2018 Paper

Modeling of structural cables

Torben Andersen, Mette Owner-Petersen

Proceedings Volume 10705, 1070523 (2018) https://doi.org/10.1117/12.2313858

KEYWORDS: Systems modeling, Matrices, Telescopes, Finite element methods, Mathematical modeling, Solids, Chemical elements, Integrated modeling, Performance modeling, Differential equations

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Proceedings Article | 13 September 2012 Paper

Distributed control of large deformable mirrors

Douglas MacMartin, Rikard Heimsten, Torben Andersen, Mette Owner-Petersen

Proceedings Volume 8447, 844710 (2012) https://doi.org/10.1117/12.926940

KEYWORDS: Actuators, Sensors, Deformable mirrors, Mirrors, Adaptive optics, Spatial frequencies, Acousto-optics, Control systems, Feedback loops, Wavefronts

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SPIE Journal Paper | 7 March 2012

Suppressing low-order eigenmodes with local control for deformable mirrors

Rikard Heimsten, Mette Owner-Petersen, Torben Andersen, Thomas Ruppel, Douglas MacMynowski

OE, Vol. 51, Issue 02, 026601, (March 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.2.026601

KEYWORDS: Actuators, Mirrors, Deformable mirrors, Control systems, Finite element methods, Sensors, Optical engineering, Adaptive optics, Telescopes, Observatories

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Proceedings Article | 10 November 2011 Paper

Integrated model of the Carlina Telescope

Anita Enmark, Torben Andersen, Mette Owner-Petersen, Rijuparna Chakraborty, Antoine Labeyrie

Proceedings Volume 8336, 83360J (2011) https://doi.org/10.1117/12.921015

KEYWORDS: Motion models, Monochromatic aberrations, Telescopes, Point spread functions, Motion measurement, Integrated modeling, Zemax, Mirrors, Control systems, Space telescopes

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Proceedings Article | 10 November 2011 Paper

Integrated modeling of a laboratory setup for a large deformable mirror

Rikard Heimsten, Torben Andersen, Mette Owner-Petersen, Douglas MacMynowski

Proceedings Volume 8336, 83360N (2011) https://doi.org/10.1117/12.915571

KEYWORDS: Actuators, Deformable mirrors, Sensors, Adaptive optics, Telescopes, Feedback loops, Control systems, Integrated modeling, Mirrors, Wavefront sensors

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Proceedings Article | 5 August 2010 Paper

The Robotic Earthshine Telescope

Ahmad Darudi, Mette Owner-Petersen, Peter Thejll, Hans Gleisner, David Taylor, Majid Ale-Ebrahem, Torben Andersen

Proceedings Volume 7733, 77332V (2010) https://doi.org/10.1117/12.857126

KEYWORDS: Telescopes, Optical filters, Resolution enhancement technologies, Cameras, Robotics, CCD cameras, Control systems, Charge-coupled devices, Stray light, Observatories

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Proceedings Article | 29 July 2010 Paper

Progress in developing a low-cost deformable mirror

Rikard Heimsten, Douglas MacMynowski, Torben Andersen

Proceedings Volume 7736, 77365N (2010) https://doi.org/10.1117/12.855054

KEYWORDS: Actuators, Sensors, Mirrors, Feedback loops, Deformable mirrors, Control systems, Adaptive optics, Mathematical modeling, Acoustics, Linear filtering

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Proceedings Article | 10 July 2008 Paper

The Earthshine Telescope Project

M. Owner-Petersen, T. Andersen, A. Ardeberg, P. Thejll, H. Gleisner

Proceedings Volume 7012, 70122L (2008) https://doi.org/10.1117/12.789134

KEYWORDS: Telescopes, Charge-coupled devices, Signal to noise ratio, Scattering, Coating, Climatology, Reflectivity, Stray light analysis, Optical instrument design, Light scattering

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Proceedings Article | 9 July 2008 Paper

Modeling large deformable mirrors

Rikard Heimsten, Torben Andersen, Mette Owner-Petersen

Proceedings Volume 7017, 70171P (2008) https://doi.org/10.1117/12.788932

KEYWORDS: Actuators, Sensors, Deformable mirrors, Mirrors, Systems modeling, Spatial frequencies, Adaptive optics, Finite element methods, Large telescopes, Prototyping

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Proceedings Article | 9 July 2008 Paper

An integrated model of the European Extremely Large Telescope

Torben Andersen, Anita Enmark, Peter Linde, Mette Owner-Petersen, Anders Sjöström, Franz Koch, Michael Müller, Lothar Noethe, Babak Sedghi

Proceedings Volume 7017, 70170S (2008) https://doi.org/10.1117/12.789025

KEYWORDS: Adaptive optics, Telescopes, Systems modeling, Mirrors, Wavefront sensors, Integrated modeling, Actuators, Deformable mirrors, Servomechanisms, Sensors

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Proceedings Article | 22 April 2008 Paper

Modeling ELTs at different wavelengths

Anita Enmark, Torben Andersen

Proceedings Volume 6986, 69860J (2008) https://doi.org/10.1117/12.801277

KEYWORDS: Adaptive optics, Telescopes, Deformable mirrors, Integrated modeling, Wavefront sensors, Atmospheric optics, Wavefronts, Large telescopes, Control systems, Mirrors

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Proceedings Article | 22 April 2008 Paper

High time resolution astrophysics and ELTs: Which wavelength?

Andy Shearer, John Cunniffe, Bruno Voisin, Vitaly Neustroev, Michael Browne, Torben Andersen, Anita Enmark, Peter Linde

Proceedings Volume 6986, 69860A (2008) https://doi.org/10.1117/12.801261

KEYWORDS: Charge-coupled devices, Telescopes, Astrophysics, Sensors, Polarization, Device simulation, Point spread functions, Astronomy, Stars, Adaptive optics

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SPIE Journal Paper | 1 July 2006

Novel concept for large deformable mirrors

Torben Andersen, O. Garpinger, Mette Owner-Petersen, F. Bjoorn, R. Svahn, Arne Ardeberg

OE, Vol. 45, Issue 07, 073001, (July 2006) https://doi.org/10.1117/12.10.1117/1.2227014

KEYWORDS: Actuators, Mirrors, Sensors, Deformable mirrors, Telescopes, Control systems, Prototyping, Optical engineering, Adaptive optics, Tolerancing

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Proceedings Article | 27 June 2006 Paper

A new concept for large deformable mirrors for extremely large telescopes

Torben Andersen, Mette Owner-Petersen, Arne Ardeberg, Tapio Korhonen

Proceedings Volume 6272, 62720Y (2006) https://doi.org/10.1117/12.671506

KEYWORDS: Mirrors, Deformable mirrors, Actuators, Glasses, Sensors, Prototyping, Position sensors, Large telescopes, Manufacturing, Wavefront sensors

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Proceedings Article | 26 June 2006 Paper

Architecture of the integrated model of the Euro50

Anita Enmark, Torben Andersen, Mette Owner-Petersen, Michael Browne, Andrew Shearer

Proceedings Volume 6271, 627114 (2006) https://doi.org/10.1117/12.670197

KEYWORDS: Systems modeling, Telescopes, Adaptive optics, Integrated modeling, Device simulation, MATLAB, Atmospheric modeling, Mirrors, Deformable mirrors, Performance modeling

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Proceedings Article | 23 June 2006 Paper

From Euro50 toward a European ELT

Arne Ardeberg, Torben Andersen, Jacques Beckers, Michael Browne, Anita Enmark, Per Knutsson, Mette Owner-Petersen

Proceedings Volume 6267, 626725 (2006) https://doi.org/10.1117/12.671392

KEYWORDS: Adaptive optics, Stars, Telescopes, Sensors, Point spread functions, Galactic astronomy, Mirrors, Deformable mirrors, Actuators, Spectroscopy

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Proceedings Article | 15 June 2006 Paper

Status of the integrated model of the Euro50

Anita Enmark, Torben Andersen, Michael Browne, Mette Owner-Petersen

Proceedings Volume 6271, 627102 (2006) https://doi.org/10.1117/12.670191

KEYWORDS: Systems modeling, Telescopes, Motion models, Adaptive optics, Integrated modeling, Space telescopes, Mirrors, Sensors, Atmospheric modeling, Control systems

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Proceedings Article | 15 June 2006 Paper

Optimised external computation for the Euro50 MATLAB based integrated model

Michael Browne, Anita Enmark, Torben Andersen, Andy Shearer

Proceedings Volume 6271, 627103 (2006) https://doi.org/10.1117/12.670202

KEYWORDS: MATLAB, Wavefront sensors, Systems modeling, Computing systems, Computer simulations, Integrated modeling, Telescopes, Performance modeling, Mirrors, Atmospheric propagation

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Proceedings Article | 30 September 2004 Paper

Instruments for a European Extremely Large Telescope: the challenges of designing instruments for 30- to 100-m telescopes

Adrian Russell, Guy Monnet, Andreas Quirrenbach, Roland Bacon, Michael Redfern, Torben Andersen, Arne Ardeberg, Eli Atad-Ettedgui, Timothy Hawarden

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.551473

KEYWORDS: Telescopes, Adaptive optics, Space telescopes, Spectroscopy, Optical instrument design, Imaging systems, Sensors, James Webb Space Telescope, Mid-IR, Atmospheric corrections

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Proceedings Article | 29 September 2004 Paper

Wind on the Euro50 enclosure

Holger Riewaldt, Martin Lastiwka, Nathan Quinlan, Kevin McNamara, Xin Wang, Torben Andersen, Andrew Shearer

Proceedings Volume 5495, (2004) https://doi.org/10.1117/12.551278

KEYWORDS: Mirrors, Telescopes, Wind measurement, Data modeling, Integrated modeling, Large telescopes, Buildings, Space telescopes, Prototyping, Protactinium

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Proceedings Article | 28 September 2004 Paper

Status of the Euro50 Project

Torben Andersen, Arne Ardeberg, Holger Riewaldt, Martin Lastiwka, Nathan Quinlan, Kevin McNamara, Xin Wang, Anita Enmark, Mette Owner-Petersen, Andrew Shearer, Chengyu Fan, Dan Moraru

Proceedings Volume 5489, (2004) https://doi.org/10.1117/12.551467

KEYWORDS: Mirrors, Adaptive optics, Telescopes, Atmospheric optics, Planets, Large telescopes, Wind measurement, Stars, Control systems, Space telescopes

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Proceedings Article | 16 September 2004 Paper

A parallel integrated model of the Euro50

Torben Andersen, Anita Enmark, Dan Moraru, Chengyu Fan, Mette Owner-Petersen, Holger Riewaldt, Michael Browne, Andrew Shearer

Proceedings Volume 5497, (2004) https://doi.org/10.1117/12.551872

KEYWORDS: Integrated modeling, Mirrors, Systems modeling, Telescopes, MATLAB, Adaptive optics, Atmospheric optics, Actuators, Sensors, Deformable mirrors

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Proceedings Article | 16 September 2004 Paper

Parallelization of MATLAB for Euro50 integrated modeling

Michael Browne, Torben Andersen, Anita Enmark, Dan Moraru, Andrew Shearer

Proceedings Volume 5497, (2004) https://doi.org/10.1117/12.551317

KEYWORDS: MATLAB, Systems modeling, Integrated modeling, Performance modeling, Telescopes, Device simulation, Adaptive optics, Mathematical modeling, Simulink, Computer simulations

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Proceedings Article | 7 July 2004 Paper

Sodium beacon wavefront sensing for the Euro50 telescope in the presence of perspective elongation

Jacques Beckers, Mette Owner-Petersen, Torben Andersen

Proceedings Volume 5382, (2004) https://doi.org/10.1117/12.566229

KEYWORDS: Wavefront sensors, Telescopes, Polarization, Pulsed laser operation, Sodium, Sodium guide stars, Modulators, Antimony, Lenses, Adaptive optics

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Proceedings Article | 7 July 2004 Paper

Euro50

Torben Andersen, Arne Ardeberg, Jacques Beckers, Alexander Goncharov, Mette Owner-Petersen, Holger Riewaldt

Proceedings Volume 5382, (2004) https://doi.org/10.1117/12.566203

KEYWORDS: Mirrors, Adaptive optics, Telescopes, Laser guide stars, Deformable mirrors, Wavefront sensors, Sensors, Stars, Control systems, Polishing

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Proceedings Article | 7 July 2004 Paper

Integrated modeling of the Euro50

Torben Andersen, Michael Browne, Anita Enmark, Dan Moraru, Mette Owner-Petersen, Holger Riewaldt

Proceedings Volume 5382, (2004) https://doi.org/10.1117/12.566232

KEYWORDS: Mirrors, Adaptive optics, Sensors, Control systems, Integrated modeling, Telescopes, Actuators, Atmospheric modeling, Atmospheric optics, Deformable mirrors

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Proceedings Article | 24 December 2003 Paper

Rapid refocusing system for the Euro50 telescope aimed at removing the perspective elongation of laser beacons

Jacques Beckers, Mette Owner-Petersen, Torben Andersen

Proceedings Volume 5169, (2003) https://doi.org/10.1117/12.504238

KEYWORDS: Telescopes, Wavefront sensors, Polarization, Pulsed laser operation, Sodium, Lenses, Modulators, Sodium guide stars, Antimony, Quartz

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Proceedings Article | 27 March 2003 Paper

Effective outer scale estimation for Euro50 site

Vladimir Lukin, A. Goncharov, Mette Owner-Petersen, Torben Andersen

Proceedings Volume 5026, (2003) https://doi.org/10.1117/12.497193

KEYWORDS: Atmospheric modeling, Adaptive optics, Performance modeling, Atmospheric optics, Telescopes, Lanthanum, Mirrors, Turbulence, Large telescopes, Space telescopes

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Proceedings Article | 30 January 2003 Paper

Adaptive optics for the Euro50: design and performance

Alexander Goncharov, Mette Owner-Petersen, Torben Andersen, Jacques Beckers, Nicholas Devaney

Proceedings Volume 4840, (2003) https://doi.org/10.1117/12.458028

KEYWORDS: Adaptive optics, Telescopes, Wavefronts, Mirrors, Actuators, Silver, Atmospheric modeling, Stars, Wavefront sensors, Atmospheric turbulence

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Proceedings Article | 30 January 2003 Paper

The Euro50 extremely large telescope

Torben Andersen, Arne Ardeberg, Jacques Beckers, Alexander Goncharov, Mette Owner-Petersen, Holger Riewaldt, Ralph Snel, David Walker

Proceedings Volume 4840, (2003) https://doi.org/10.1117/12.458049

KEYWORDS: Mirrors, Telescopes, Adaptive optics, Laser guide stars, Wavefront sensors, Deformable mirrors, Polishing, K band, Sensors, Large telescopes

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Proceedings Article | 30 January 2003 Paper

Control strategy for the adaptive optics of the Euro50

Mette Owner-Petersen, Torben Andersen, Alexander Goncharov, Jacques Beckers

Proceedings Volume 4840, (2003) https://doi.org/10.1117/12.458040

KEYWORDS: Wavefronts, Wavefront sensors, K band, Mirrors, Adaptive optics, Point spread functions, Atmospheric modeling, Sensors, Stars, V band

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Proceedings Article | 30 July 2002 Paper

Integrated simulation model of the Euro50

Torben Andersen, Mette Owner-Petersen, Holger Riewaldt

Proceedings Volume 4757, (2002) https://doi.org/10.1117/12.489824

KEYWORDS: Telescopes, Mirrors, Integrated modeling, Device simulation, Adaptive optics, Finite element methods, Control systems, Integrated optics, Ray tracing, Optical alignment

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Proceedings Article | 30 July 2002 Paper

Integrated modeling of submillimeter radio telescopes

Dan Moraru, Torben Andersen

Proceedings Volume 4757, (2002) https://doi.org/10.1117/12.489815

KEYWORDS: Antennas, Integrated modeling, Radio telescopes, C++, Performance modeling, Receivers, Servomechanisms, Reflectors, Radio optics, Optical instrument design

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SPIE Journal Paper | 1 May 2002

Adaptive optics schemes for future extremely large telescopes

Alexander Goncharov, Mette Owner-Petersen, Torben Andersen, Jacques Beckers

OE, Vol. 41, Issue 05, (May 2002) https://doi.org/10.1117/12.10.1117/1.1466461

KEYWORDS: Adaptive optics, Wavefront sensors, Wavefronts, Telescopes, Mirrors, Sensors, Stars, Relays, Sensing systems, Actuators

Proceedings Article | 2 August 2000 Paper

Is there an upper limit to the size of enclosures?

Torben Andersen, P. Christensen

Proceedings Volume 4004, (2000) https://doi.org/10.1117/12.393945

KEYWORDS: Telescopes, Space telescopes, Optical instrument design, Cooling systems, Adaptive optics, Mirrors, Large telescopes, Observatories, Control systems, Lanthanum

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Proceedings Article | 25 August 1998 Paper

Choice of aperture for large telescopes for optical wavelengths

Arne Ardeberg, Torben Andersen, Mette Owner-Petersen

Proceedings Volume 3352, (1998) https://doi.org/10.1117/12.319312

KEYWORDS: Telescopes, Mirrors, Adaptive optics, Large telescopes, Stars, Interferometry, Image segmentation, Planets, Diffraction, Galactic astronomy

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Proceedings Article | 31 July 1998 Paper

Proposed 12-m submillimeter antenna design for the Large Southern Array

Torben Andersen, Franz Koch, Peter Shaver

Proceedings Volume 3357, (1998) https://doi.org/10.1117/12.317410

KEYWORDS: Antennas, Active optics, Telescopes, Reflectors, Computer programming, Monochromatic aberrations, Optical telescopes, Aluminum, Safety, Receivers

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Proceedings Article | 21 March 1997 Paper

25-m Live Optics Telescope

Arne Ardeberg, Torben Andersen, Mette Owner-Petersen, Niels-Christian Jessen

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.269085

KEYWORDS: Mirrors, Image segmentation, Telescopes, Image quality, Monochromatic aberrations, Finite element methods, Servomechanisms, Mechanical engineering, Wavefront sensors, Systems modeling

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Proceedings Article | 8 June 1995 Paper

Servosystem of the EISCAT Svalbard antenna

Torben Andersen

Proceedings Volume 2479, (1995) https://doi.org/10.1117/12.211470

KEYWORDS: Antennas, Servomechanisms, Amplifiers, Turbulence, Radar, Device simulation, Automatic control, Systems modeling, Telescopes, Performance modeling

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Proceedings Article | 1 June 1994 Paper

Optical design of a 25-m telescope for optical wavelengths

Mette Owner-Petersen, Torben Andersen, Arne Ardeberg

Proceedings Volume 2199, (1994) https://doi.org/10.1117/12.176268

KEYWORDS: Mirrors, Telescopes, Monochromatic aberrations, Image segmentation, Spherical lenses, Optical design, Optical instrument design, Shape analysis, Differential equations, Optical analysis

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Proceedings Article | 1 June 1994 Paper

Study of a 25-m telescope for optical wavelengths

Arne Ardeberg, Torben Andersen, Mette Owner-Petersen

Proceedings Volume 2199, (1994) https://doi.org/10.1117/12.176199

KEYWORDS: Mirrors, Telescopes, Space telescopes, Image quality, Sensors, Spectroscopy, Image segmentation, Spectral resolution, Imaging spectroscopy, Spherical lenses

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Proceedings Article | 15 October 1993 Paper

25-m telescope for optical wavelengths

Arne Ardeberg, Torben Andersen, Mette Owner-Petersen, Tapio Korhonen

Proceedings Volume 1931, (1993) https://doi.org/10.1117/12.158741

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Proceedings Article | 1 July 1990 Paper

Low turbulence--high performance

Arne Ardeberg, Torben Andersen

Proceedings Volume 1236, (1990) https://doi.org/10.1117/12.19225

KEYWORDS: Telescopes, Mirrors, Optical telescopes, Image quality, Turbulence, Stars, Control systems, Sensors, Atmospheric turbulence, Optical components

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