Dr. Andreas Koch Profile

Dr. Andreas Koch

Senior Scientist at European XFEL GmbH

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Author

Publications (5)

Proceedings Article | 6 June 2023 Presentation + Paper

Radiation hardness of luminescent screens under FEL radiation

Andreas Koch, Jan Grünert

Proceedings Volume 12578, 1257803 (2023) https://doi.org/10.1117/12.2665629

KEYWORDS: X-rays, Laser damage threshold, Diamond, Imaging systems, Free electron lasers, Mirrors, Ablation

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Proceedings Article | 12 May 2015 Paper

Design and initial characterisation of X-ray beam diagnostic imagers for the European XFEL

Andreas Koch, Wolfgang Freund, Jan Grünert, Marc Planas, Thomas Roth, Liubov Samoylova, Viktor Lyamayev

Proceedings Volume 9512, 95121R (2015) https://doi.org/10.1117/12.2182463

KEYWORDS: Imaging systems, X-rays, Scintillators, Diagnostics, Mirrors, Cameras, X-ray imaging, Free electron lasers, Spatial resolution, X-ray optics

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Proceedings Article | 3 May 2013 Paper

Status of detector development for the European XFEL

Jolanta Sztuk-Dambietz, Steffen Hauf, Andreas Koch, Markus Kuster, Monica Turcato

Proceedings Volume 8778, 87780U (2013) https://doi.org/10.1117/12.2020773

KEYWORDS: Sensors, X-rays, Calibration, X-ray detectors, Detector development, Monte Carlo methods, Particles, X-ray sources, Image sensors, Hard x-rays

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Proceedings Article | 13 March 2009 Paper

A noise decomposition method for image quality analysis of medical radiography detectors

Sami Al Tahli, Ingo Maack, Andreas Koch, Clemens Herrmann

Proceedings Volume 7258, 72582P (2009) https://doi.org/10.1117/12.812255

KEYWORDS: Modulation transfer functions, Sensors, Spatial frequencies, X-rays, Image quality, Scintillators, Interference (communication), X-ray detectors, Quantum efficiency, Radiography

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Proceedings Article | 25 September 1995 Paper

Fiber optic current transformer with low cost standard connectors employing a fiber depolarizer

Andreas Koch, Holger Hirsch, Dirk Peier, Hartwig Senftleben

Proceedings Volume 2510, (1995) https://doi.org/10.1117/12.221703

KEYWORDS: Polarization, Birefringence, Sensors, Crystals, Transformers, Semiconductor lasers, Light, Fiber optics, Polarizers, Single mode fibers

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