Dr. Klaus Kudielka Profile

Dr. Klaus Kudielka

Sr System Engineer at Synopta GmbH

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Publications (19)

Proceedings Article | 11 June 2021 Open Access

Adaptive optics upgrades for laser communications to the ESA optical ground station

E. Fischer, K. Kudielka, T. Berkefeld, D. Soltau, J. Perdigués-Armengol, Z. Sodnik

Proceedings Volume 11852, 118522A (2021) https://doi.org/10.1117/12.2599370

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Proceedings Article | 11 June 2021 Open Access

Modular adaptive optics solution for a QKD receiver on a fork mount telescope system

E. Fischer, K. Kudielka, A. Brady, A. Kamm, T. Berkefeld, R. Ursin

Proceedings Volume 11852, 118520X (2021) https://doi.org/10.1117/12.2599216

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Proceedings Article | 11 June 2021 Open Access

Optical feeder-link between ESA’s optical ground station and Alphasat

Zoran Sodnik, Christoph Voland, Josep Perdigues, Edgar Fischer, Klaus Kudielka, Reinhard Czichy

Proceedings Volume 11852, 1185218 (2021) https://doi.org/10.1117/12.2599231

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Proceedings Article | 12 July 2019 Open Access

Numerical prediction and experimental validation of irradiance fluctuations in a pre-compensated optical feeder link

K. Kudielka, E. Fischer, T. Dreischer

Proceedings Volume 11180, 111805N (2019) https://doi.org/10.1117/12.2536122

KEYWORDS: Turbulence, Satellites, Adaptive optics, Atmospheric propagation, Diffraction, Scintillation, Optical simulations, Beam propagation method, Mirrors, Wave propagation

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Proceedings Article | 21 November 2017 Open Access

Laser modulator for LISA pathfinder

C. Voland, G. Lund, W. Coppoolse, P. Crosby, M. Stadler, K. Kudielka, C. Özkan

Proceedings Volume 10566, 1056613 (2017) https://doi.org/10.1117/12.2308194

KEYWORDS: Modulators, Nanoimprint lithography, Bragg cells, Electronics, Interferometers, Control systems, Space operations, Heterodyning, Laser optics, Interfaces

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LISA Pathfinder is an ESA experiment to demonstrate the key technologies needed for the LISA mission to detect gravitational waves in space. The LISA Pathfinder spacecraft represents one arm of the LISA interferometer, containing an optical metrology system and two proof masses as inertial references for the drag-free control system.

The LISA Pathfinder payload consists of two drag-free floating test masses located in the inertial sensors with their control electronics and an optical metrology subsystem. The optical metrology subsystem monitors the movement of both test masses relative to each other and to the spacecraft with very high sensitivity and resolution. This is achieved with a heterodyne Mach- Zehnder interferometer. This interferometer requires as input two coherent laser beams with a heterodyne frequency difference of a few kHz.

To generate the two laser beams with a heterodyne frequency difference a Nd:YAG laser is used together with the Laser Modulator. The Nd:YAG laser generates a single coherent laser signal at a wavelength of 1064nm which is fibre coupled to the Laser Modulator. The Laser Modulator then generates the two optical beams with the required heterodyne frequency offset. In addition, the Laser Modulator is required to perform laser amplitude stabilization and optical path difference control for the two optical signals.

The Laser Modulator consists of an optical unit – the LMU – and RF synthesiser, power amplification and control electronics. These electronics are all housed in the Laser Modulator Electronics (LME).

The LMU has four primary functions:

• Splitting of the input laser beam into two paths for later superposition in the interferometer.

• Applying different frequency shifts to each of the beams.

• Providing amplitude modulation control to each of the beams.

• Providing active control of the optical path length difference between the two optical paths.

The present paper describes the design and performance of the LMU together with a summary of the results of the Laser Modulator engineering model test campaign.

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Proceedings Article | 20 November 2017 Open Access

Fibre optics in the SMOS mission

K. Kudielka, F. Benito-Hernández, W. Rits, M. Martin-Neira

Proceedings Volume 10565, 105650Z (2017) https://doi.org/10.1117/12.2309115

KEYWORDS: Clocks, Receivers, Microwave radiation, Astronomical imaging, Interfaces, Optical correlators, Transmitters, Picosecond phenomena, Fiber optics, Radiometry

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Proceedings Article | 18 December 2012 Paper

Development of a light-weight beryllium Cassegrain telescope: from the optical design to the performance measurement

Jacques Viertl, Ralf Greger, Maurizio Di Domenico, Laurent Francou, Marina Ellouzi, Steffen Blum, Klaus Kudielka, Thomas Weigel, Elisabetta Rugi Grond, Daniele Piazza

Proceedings Volume 8550, 855016 (2012) https://doi.org/10.1117/12.981199

KEYWORDS: Mirrors, Telescopes, Space telescopes, Beryllium, Receivers, Mercury (planet), Optical design, Manufacturing, Optical spheres, Reflector telescopes

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Proceedings Article | 26 February 2010 Paper

Lasercom for interplanetary missions: recent European activities, future possibilities, and synergy aspects

T. Dreischer, F. Arnold, K. Kudielka, Y. Tissot, T. Weigel

Proceedings Volume 7587, 758704 (2010) https://doi.org/10.1117/12.845819

KEYWORDS: Space telescopes, Atmospheric optics, Telescopes, Channel projecting optics, Space operations, Satellites, Laser communications, Sensors, Mars, Head

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Proceedings Article | 24 February 2009 Paper

Results from the DOLCE (Deep Space Optical Link Communications Experiment) project

Guy Baister, Klaus Kudielka, Thomas Dreischer, Michael Tüchler

Proceedings Volume 7199, 71990B (2009) https://doi.org/10.1117/12.810477

KEYWORDS: Receivers, Electronics, Transmitters, Optical communications, Satellites, Sensors, Atmospheric optics, Signal to noise ratio, Avalanche photodetectors, Semiconductor lasers

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Proceedings Article | 27 September 2008 Paper

Straylight analysis of the BepiColombo Laser Altimeter

T. Weigel, E. Rugi-Grond, K. Kudielka

Proceedings Volume 7100, 71001C (2008) https://doi.org/10.1117/12.797771

KEYWORDS: Bidirectional reflectance transmission function, Sensors, Stray light analysis, Space telescopes, Telescopes, Planets, Mercury (planet), Reflectivity, Reflectors, Mirrors

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Proceedings Article | 20 June 2002 Paper

High-precision optical metrology system for the SMART-2 mission as precursor for the DARWIN satellite constellation

Christoph Haupt, Klaus Kudielka, Edgar Fischer, Ulrich Johann

Proceedings Volume 4777, (2002) https://doi.org/10.1117/12.472214

KEYWORDS: Interferometers, Sensors, Stars, Signal detection, Metrology, Ranging, Control systems, Beam splitters, Interferometry, Distance measurement

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Proceedings Article | 26 April 2002 Paper

Optical terminals for microsatellite swarms

Walter Leeb, Andras Kalmar, Klaus Kudielka, Peter Winzer

Proceedings Volume 4635, (2002) https://doi.org/10.1117/12.464090

KEYWORDS: Satellites, Receivers, Radar, Interference (communication), Transmitters, Phased array optics, Antennas, Signal to noise ratio, Sensors, Satellite communications

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Proceedings Article | 26 April 2002 Paper

Analog optical intersatellite links

Klaus Pribil, Klaus Kudielka

Proceedings Volume 4635, (2002) https://doi.org/10.1117/12.464092

KEYWORDS: Satellites, Analog electronics, Telecommunications, Modulation, Double sideband modulation, Satellite communications, Receivers, Modulators, Data communications, Channel projecting optics

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Proceedings Article | 3 August 2001 Paper

Nulling interferometry for spectroscopic investigation of exoplanets: a statistical analysis of imperfections

Oswald Wallner, Klaus Kudielka, Walter Leeb

Proceedings Volume 4273, (2001) https://doi.org/10.1117/12.435375

KEYWORDS: Interferometers, Stars, Telescopes, Polarization, Planets, Space telescopes, Nulling interferometry, Phase shifts, Statistical analysis, Polarizers

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Proceedings Article | 27 May 1998 Paper

Experimental demonstration of a self-tracking 16-aperture receiver telescope array for laser intersatellite communications

Andras Kalmar, Klaus Kudielka, Walter Leeb

Proceedings Volume 3266, (1998) https://doi.org/10.1117/12.308695

KEYWORDS: Space telescopes, Telescopes, Digital signal processing, Phased array optics, Antennas, Phased arrays, Polarization, Receivers, Signal processing, Actuators

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Proceedings Article | 30 September 1994 Paper

Adaptive optical multiaperture receive antenna for coherent intersatellite communications

Klaus Kudielka, Wolfgang Neubert, Arpad Scholtz, Walter Leeb

Proceedings Volume 2210, (1994) https://doi.org/10.1117/12.188070

KEYWORDS: Antennas, Space telescopes, Sensors, Directional couplers, Telescopes, Actuators, Optical communications, Single mode fibers, Receivers, Adaptive optics

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Proceedings Article | 30 September 1994 Paper

Optical phased array antennas for free space laser communications

Walter Leeb, Wolfgang Neubert, Klaus Kudielka, Arpad Scholtz

Proceedings Volume 2210, (1994) https://doi.org/10.1117/12.188133

KEYWORDS: Antennas, Phased array optics, Actuators, Space telescopes, Sensors, Telescopes, Liquid crystals, Electro optics, Modulation, Tolerancing

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Proceedings Article | 16 August 1994 Paper

Experimental verification of an adaptive optical multiaperture receive antenna for laser space communications

Klaus Kudielka, Wolfgang Neubert, Arpad Scholtz, Walter Leeb

Proceedings Volume 2123, (1994) https://doi.org/10.1117/12.184675

KEYWORDS: Antennas, Phased array optics, Space telescopes, Telescopes, Sensors, Receivers, Optical communications, Actuators, Optical arrays, Wavefronts

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Proceedings Article | 8 June 1994 Paper

Experimental verification of an adaptive optical multiaperture receive antenna for laser space communications

Klaus Kudielka, Wolfgang Neubert, Arpad Scholtz, Walter Leeb

Proceedings Volume 2120, (1994) https://doi.org/10.1117/12.177696

KEYWORDS: Antennas, Phased array optics, Space telescopes, Telescopes, Sensors, Receivers, Optical communications, Actuators, Optical arrays, Wavefronts

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Showing 5 of 19 publications

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