Mr. Matthias Schumann Profile

Matthias Schumann

at Physikalisch-Technische Bundesanstalt

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Author

Publications (2)

Proceedings Article | 9 September 2019 Paper

A precise aperture centring device (ACenD) for autocollimator-based surface measuring profilers

Bernd Grubert, David Kreitschik, Olaf Schnabel, Frank Siewert, Ralf Geckeler, Matthias Schumann, Andreas Just, Michael Krause, Tanfer Yandayan, S. Asli Akgoz

Proceedings Volume 11109, 1110902 (2019) https://doi.org/10.1117/12.2531613

KEYWORDS: Calibration, Autocollimators, Distance measurement, Charge-coupled devices, Reticles, CCD cameras, Objectives, Metrology, Mirrors, Beam splitters

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Proceedings Article | 9 September 2019 Paper

High-accuracy autocollimator calibration by interferometric 2D angle generator

V. Heikkinen, V. Byman, M. Shpak, R. Geckeler, A. Just, M. Krause, M. Schumann, A. Lassila

Proceedings Volume 11109, 1110903 (2019) https://doi.org/10.1117/12.2531023

KEYWORDS: Autocollimators, Calibration, Interferometers, Reflectors, Interferometry, Mirrors, Sensors, Metrology

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