Dr. Anko Boerner Profile

Dr. Anko Boerner

at Deutsches Zentrum für Luft- und Raumfahrt eV

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Author

Publications (22)

Proceedings Article | 20 June 2021 Presentation + Paper

Probability distribution free multi-level sampling pattern design for single pixel cameras

Protim Bhattacharjee, Anko Börner

Proceedings Volume 11788, 117880L (2021) https://doi.org/10.1117/12.2593810

KEYWORDS: Spatial frequencies, Cameras, Digital micromirror devices, Spatial light modulators, Satellites, Satellite imaging, Modulation, Image compression, Earth observing sensors, Point spread functions

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Proceedings Article | 11 June 2021 Open Access

The unique field-of-view and focusing budgets of PLATO

Martin Pertenais, Juan Cabrera, Carsten Paproth, Anko Boerner, Denis Grießbach, Valery Mogulsky, Heike Rauer

Proceedings Volume 11852, 118524Y (2021) https://doi.org/10.1117/12.2599820

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The PLAnetary Transits and Oscillations of stars mission (PLATO) is the M3 mission in ESA’s Cosmic Vision 2015-2025 Programme, see Rauer et al. (2014).¹ The PLATO mission aims at detecting and characterizing extrasolar planetary systems, including terrestrial exoplanets around bright solar-type stars in the habitable zone. In order to achieve its scientific objectives, PLATO must perform uninterrupted high precision photometric monitoring of large samples of stars during long periods to detect and characterize planetary transits. The scientific payload of PLATO, developed and provided by the PLATO Mission Consortium (PMC) and ESA, is based on a multi-telescope configuration consisting of 24 “Normal” (N) cameras and 2 “Fast” (F) cameras, so as to provide simultaneously a large field of view and a large collecting aperture. The optical design is identical for all cameras and consists of a 6-lens dioptric design with a 120 mm entrance pupil and an effective field of view of more than 1000 deg2. This concept results in an overall field-of-view of more than 2000 deg², spread over 104 CCDs of 20 mega-pixels each. Associated to very accurate pointing and alignment requirements, this is a real challenge to define and breakdown precise specifications to several sub-systems in order to ensure that this overall field of view budget is achieved and verified. We propose to go through the budget that was performed for the PLATO camera and to describe how we intend to satisfy this scientific requirement. To make it more challenging, it has to be taken into account that the PLATO spacecraft will have to rotate of 90° every three months without changing its field of view (due to its orbit in L2 and the sun illumination limitations). This has to be considered in the breakdown of the budget and design of all sub-systems. A consequence of this large field of view is the difficulty to reach very good and harmonious optical performances across the field, and in a realistic depth of focus. Therefore, the focusing budget is also very challenging for the development of the PLATO cameras. We will describe the way the PLATO’s camera focusing budget has been broken down into allocations and how it is planned to be verified. To ensure optimal performances in-flight, the PLATO cameras have the extraordinary capabilities to perform re-focusing using a high precision Thermal Control System (TCS). Each individual camera on the payload can be thermally controlled independently from its neighbor to reach its own optimal operational temperature. The different consequences of this concept into the budget allocations and sub-system development will be discussed.

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Proceedings Article | 11 June 2021 Open Access

Characterization of liquid crystal on silicon-SLMs for in-situ laser beam steering to enable RAMAN imaging

Sebastian Ritter, Sven Augustin, Anko Börner, David Krutz, Ute Böttger

Proceedings Volume 11852, 118526E (2021) https://doi.org/10.1117/12.2600289

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Proceedings Article | 21 June 2019 Presentation + Paper

A plug-n-play framework and acquisition methodology for remote exploration systems with single pixel cameras

Protim Bhattacharjee, Anko Börner

Proceedings Volume 11062, 1106217 (2019) https://doi.org/10.1117/12.2525322

KEYWORDS: Compressed sensing, Sensors, Digital micromirror devices, Imaging systems, Reconstruction algorithms, Radiometric resolution, Spatial light modulators, Image segmentation, Cameras, Radiometry

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Proceedings Article | 18 September 2018 Presentation + Paper

The Venus Emissivity Mapper (VEM): obtaining global mineralogy of Venus from orbit

Joern Helbert, Darby Dyar, Ingo Walter, Dennis Wendler, Thomas Widemann, Emmanuel Marcq, Gabriel Guignan, Sabrina Ferrari, Alessandro Maturilli, Nils Mueller, David Kappel, Judit Jaenchen, Mario D'Amore, Anko Boerner, Constantine Tsang, Gabriele Arnold, Suzanne Smrekar

Proceedings Volume 10765, 107650D (2018) https://doi.org/10.1117/12.2320112

KEYWORDS: Venus, Prototyping, Sensors, Atmospheric corrections, Clouds, Staring arrays, Optical filters, Interfaces, Signal to noise ratio, Atmospheric modeling

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Proceedings Article | 18 September 2018 Presentation + Paper

Mapping Trojan asteroids in the thermal infrared with TROTIS

Joern Helbert, Anko Boerner, Alessandro Maturilli, Mario D'Amore, Matthias Grott, Jörg Knollenberg, Gabriele Arnold, Ernesto Palomba, Tatsuaki Okada, Pierre Vernazza, Andrew Rivkin, Indhu Varatharajan, Ingo Walter, Thomas Säuberlich, Gisbert Peter

Proceedings Volume 10765, 1076509 (2018) https://doi.org/10.1117/12.2320111

KEYWORDS: Asteroids, Radiometry, Imaging systems, Thermography, Microbolometers, Infrared radiation, Infrared imaging, Spectroscopy, Image filtering, Solar system

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Proceedings Article | 6 July 2018 Paper

PLATO: the ESA mission for exo-planets discovery

Demetrio Magrin, Roberto Ragazzoni, Heike Rauer, Isabella Pagano, Valerio Nascimbeni, Giampaolo Piotto, Valentina Viotto, Daniele Piazza, Timothy Bandy, Stefano Basso, Willy Benz, Maria Bergomi, Federico Biondi, Francesco Borsa, Anko Börner, Alexis Brandeker, Mathias Brändli, Giordano Bruno, Juan Cabrera, Flavia Calderone, Virginie Cessa, Simonetta Chinellato, Thierry De Roche, Marco Dima, Anders Erikson, Jacopo Farinato, Mauro Ghigo, Davide Greggio, Maximilian Klebor, Luca Marafatto, Matteo Munari, Valery Mogulsky, Martin Pertenais, Gisbert Peter, Elisa Portaluri, Martin Rieder, Steve Rockstein, Mario Schweitzer, Daniela Sicilia, Gabriele Umbriaco, Matthias Wieser, Ana Heras, Filippo Marliani, Simone Pirrotta, Mario Salatti, Elisabetta Tommasi, Riccardo Bardazzi, Enrico Battistelli, Mauro Brotini, Matteo Burresi, Emanuele Capuano, Massimo Marinai, Andrea Novi, Claude Català

Proceedings Volume 10698, 106984X (2018) https://doi.org/10.1117/12.2313538

KEYWORDS: Cameras, Planets, Stars, Exoplanets, Space telescopes, Telescopes, Optical filters, Lenses, Space operations

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Proceedings Article | 30 August 2017 Presentation + Paper

The Venus Emissivity Mapper concept

Joern Helbert, Ingo Walter, Dennis Wendler, Thomas Widemann, Emmanuel Marcq, Gabriel Guignan, Sabrina Ferrari, Alessandro Maturilli, Nils Mueller, David Kappel, Judit Jaenchen, Mario D'Amore, Anko Boerner, Darby Dyar, Gabriele Arnold, Suzanne Smrekar

Proceedings Volume 10403, 104030J (2017) https://doi.org/10.1117/12.2275666

KEYWORDS: Venus, Space operations, Radar, Infrared radiation

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Proceedings Article | 14 September 2016 Paper

The Venus Emissivity Mapper (VEM) concept

Joern Helbert, Dennis Wendler, Ingo Walter, Thomas Widemann, Emmanuel Marcq, Gabriel Guignan, Sabrina Ferrari, Alessandro Maturilli, Nils Mueller, David Kappel, Judit Jaenchen, Mario D'Amore, Anko Boerner, Darby Dyar, Gabriele Arnold, Suzanne Smrekar

Proceedings Volume 9973, 99730R (2016) https://doi.org/10.1117/12.2237568

KEYWORDS: Optical filters, Clouds, Sensors, Venus, Ceramics, Spectroscopy, Visible radiation, Beam splitters, Minerals, Radar

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Proceedings Article | 29 July 2016 Paper

PLATO: a multiple telescope spacecraft for exo-planets hunting

Roberto Ragazzoni, Demetrio Magrin, Heike Rauer, Isabella Pagano, Valerio Nascimbeni, Giampaolo Piotto, Daniele Piazza, Patrick Levacher, Mario Schweitzer, Stefano Basso, Timothy Bandy, Willy Benz, Maria Bergomi, Federico Biondi, Anko Boerner, Francesco Borsa, Alexis Brandeker, Mathias Brändli, Giordano Bruno, Juan Cabrera, Simonetta Chinellato, Thierry De Roche, Marco Dima, Anders Erikson, Jacopo Farinato, Matteo Munari, Mauro Ghigo, Davide Greggio, Marco Gullieuszik, Maximilian Klebor, Luca Marafatto, Valery Mogulsky, Gisbert Peter, Martin Rieder, Daniela Sicilia, Daniele Spiga, Valentina Viotto, Matthias Wieser, Ana Maria Heras, Philippe Gondoin, Pierre Bodin, Claude Catala

Proceedings Volume 9904, 990428 (2016) https://doi.org/10.1117/12.2236094

KEYWORDS: Space telescopes, Telescopes, Stars, Space operations, Planets, Aspheric lenses, Optical components, Exoplanets, Charge-coupled devices, Sensors

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Proceedings Article | 1 September 2015 Paper

MERTIS: geometrical calibration of thermal infrared optical system by applying diffractive optical elements

M. Bauer, D. Baumbach, M. Buder, A. Börner, D. Grießbach, G. Peter, E. Santier, T. Säuberlich, A. Schischmanow, S. Schrader, I. Walter

Proceedings Volume 9608, 960804 (2015) https://doi.org/10.1117/12.2188120

KEYWORDS: Diffractive optical elements, Calibration, Thermography, Infrared radiation, Infrared imaging, Imaging systems, Infrared cameras, Diffraction, Optical imaging, Infrared spectroscopy

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Proceedings Article | 9 October 2008 Paper

Dynamic PSF and MTF measurements on a 9k TDI CCD

Horst Schwarzer, Anko Boerner, Karl-Heinz Degen, Andreas Eckardt, Patrick Scherbaum

Proceedings Volume 7106, 71061F (2008) https://doi.org/10.1117/12.797055

KEYWORDS: Point spread functions, Modulation transfer functions, Satellites, Charge-coupled devices, Sensors, Satellite imaging, Integrated optics, CCD image sensors, Aerospace engineering, Information fusion

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Proceedings Article | 20 August 2008 Paper

Space instrument performance traceability for high resolution satellite systems

A. Eckardt, A. Börner, H. Jahn, R. Reulke

Proceedings Volume 7081, 70810U (2008) https://doi.org/10.1117/12.792555

KEYWORDS: Modulation transfer functions, Sensors, Space telescopes, Semiconducting wafers, Imaging systems, Telescopes, Sensor performance, Aerospace engineering, Satellites, Detector development

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Proceedings Article | 17 October 2007 Paper

New optical sensor systems for high-resolution satellite, airborne and terrestrial imaging systems

Andreas Eckardt, Anko Börner, Frank Lehmann

Proceedings Volume 6744, 674408 (2007) https://doi.org/10.1117/12.732031

KEYWORDS: Sensors, Imaging systems, Charge-coupled devices, Modulation transfer functions, Microsoft Foundation Class Library, RGB color model, CCD image sensors, Remote sensing, Control systems, Satellites

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Proceedings Article | 26 September 2007 Paper

Development of a wavelength stabilized seed laser system for an airborne water vapour lidar experiment

H. Schwarzer, A. Börner, A. Fix, B. Günther, H.-W. Hübers, M. Raugust, F. Schrandt, M. Wirth

Proceedings Volume 6681, 66810H (2007) https://doi.org/10.1117/12.728854

KEYWORDS: Laser stabilization, Semiconductor lasers, Absorption, Laser systems engineering, LIDAR, Multiplexers, Control systems, Optical parametric oscillators, Process control, Airborne laser technology

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Proceedings Article | 3 October 2006 Paper

A simulation approach for airborne DIAL systems

Anko Börner, Christoph Kiemle, Martin Wirth

Proceedings Volume 6367, 63670S (2006) https://doi.org/10.1117/12.690457

KEYWORDS: LIDAR, Sensors, Absorption, Earth's atmosphere, Molecules, Atmospheric physics, Atmospheric chemistry, Atmospheric modeling, Backscatter, Rayleigh scattering

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Proceedings Article | 3 October 2006 Paper

New optical sensor systems for photogrammetry and remote sensing

Andreas Eckardt, Anko Börner, Herbert Jahn, Stefan Hilbert, Ingo Walter

Proceedings Volume 6361, 636108 (2006) https://doi.org/10.1117/12.690583

KEYWORDS: Sensors, Signal to noise ratio, Electronics, Charge-coupled devices, Imaging systems, Cameras, Electrons, Remote sensing, CCD image sensors, Photogrammetry

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Proceedings Article | 6 December 2004 Paper

Advanced sensors for surveying and mapping

Andreas Eckardt, Gabriele Arnold, Eckehard Lorenz, Herbert Jahn, Dieter Oertel, Anko Börner

Proceedings Volume 5612, (2004) https://doi.org/10.1117/12.580325

KEYWORDS: Sensors, Cameras, Imaging systems, Infrared sensors, Data processing, Satellites, Scanners, Charge-coupled devices, Radiometric resolution, Electronics

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Proceedings Article | 8 April 2003 Paper

Simulating opto-electronic systems for remote sensing with SENSOR

Anko Boerner

Proceedings Volume 4881, (2003) https://doi.org/10.1117/12.462507

KEYWORDS: Sensors, Remote sensing, Sensing systems, Reflectivity, Ray tracing, Atmospheric modeling, Atmospheric optics, Atmospheric sensing, Modulation transfer functions, Computer simulations

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Proceedings Article | 9 February 2001 Paper

Results of test flights with the airborne digital sensor ADS40

Anko Boerner, Ralf Reulke

Proceedings Volume 4169, (2001) https://doi.org/10.1117/12.417117

KEYWORDS: Sensors, CCD image sensors, Charge-coupled devices, Data processing, Aerospace engineering, Radiometric resolution, Advanced distributed simulations, Image processing, Image quality, Data modeling

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Proceedings Article | 9 February 2001 Paper

Radiometry simulation within the end-to-end simulation tool SENSOR

Lorenz Wiest, Anko Boerner

Proceedings Volume 4169, (2001) https://doi.org/10.1117/12.417118

KEYWORDS: Sensors, Reflectivity, Radiometry, Atmospheric modeling, Data modeling, Protactinium, Digital imaging, Atmospheric particles, Atmospheric sensing, Solar radiation models

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Proceedings Article | 27 October 1999 Paper

Simulation of APEX data: the SENSOR approach

Anko Boerner, Michael Schaepman, Daniel Schlaepfer, Lorenz Wiest, Ralf Reulke

Proceedings Volume 3753, (1999) https://doi.org/10.1117/12.366285

KEYWORDS: Sensors, Remote sensing, Sensing systems, Atmospheric optics, Ray tracing, Computer simulations, Atmospheric modeling, Reflectivity, Systems modeling, Data modeling

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Showing 5 of 22 publications

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