Dr. Ulrich Neuschaefer-Rube Profile

Dr. Ulrich Neuschaefer-Rube

Head of Working Group 5.34 at Physikalisch-Technische Bundesanstalt

SPIE Involvement:

Author

Proceedings Article | 10 August 2023 Presentation + Paper

Physically based rendering method to derive realistic simulation of chromatic confocal measurements

Dan Linnert, Manuel Stavridis, Ulrich Neuschaefer-Rube, Rainer Tutsch

Proceedings Volume 12619, 126190P (2023) https://doi.org/10.1117/12.2673432

KEYWORDS: Instrument modeling, Chromatic aberrations, Error analysis, Ray tracing, Reflection, Confocal microscopy, Sensors, Monte Carlo methods, Specular reflections

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Proceedings Article | 27 January 2011 Paper

Measurement of micro gears: comparison of optical, tactile-optical, and CT measurements

U. Neuschaefer-Rube, M. Bartscher, M. Neukamm, M. Neugebauer, F. Härtig, J. Goebbels, K. Ehrig, A. Staude

Proceedings Volume 7864, 78640H (2011) https://doi.org/10.1117/12.872413

KEYWORDS: Sensors, Teeth, Optical sensors, Optical testing, Error analysis, X-rays, X-ray computed tomography, Computed tomography, 3D image processing, 3D metrology

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Proceedings Article | 19 January 2009 Paper

Traceable optical coordinate metrology applications for the micro range

Wiebke Ehrig, Ulrich Neuschaefer-Rube, Michael Neugebauer, Rudolf Meeß

Proceedings Volume 7239, 72390G (2009) https://doi.org/10.1117/12.810215

KEYWORDS: Sensors, Standards development, Optical sensors, Optical spheres, Scattering, Calibration, Metrology, Interferometers, Light scattering, Optical testing

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Proceedings Article | 19 January 2009 Paper

Tactile-optical 3D sensor applying image processing

Ulrich Neuschaefer-Rube, Mark Wissmann

Proceedings Volume 7239, 72390H (2009) https://doi.org/10.1117/12.810464

KEYWORDS: Optical spheres, Cameras, Speckle pattern, 3D metrology, Optical components, Image processing, Calibration, 3D image processing, Mirrors, Micromirrors

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Proceedings Article | 12 January 2009 Paper

Test procedures and artefacts for optical coordinate metrology

Ulrich Neuschaefer-Rube, Wiebke Ehrig, Michael Neugebauer, Klaus Wendt

Proceedings Volume 7133, 713304 (2009) https://doi.org/10.1117/12.810474

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Proceedings Article | 18 June 2007 Paper

Artefacts with rough surfaces for verification of optical microsensors

Wiebke Ehrig, Ulrich Neuschaefer-Rube

Proceedings Volume 6616, 661626 (2007) https://doi.org/10.1117/12.725976

KEYWORDS: Sensors, Scattering, Optical sensors, Light scattering, Standards development, Calibration, Optical testing, Microsensors, Metrology, Manufacturing

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SPIE Journal Paper | 1 September 2002

Optical topography measurement applying optimal filtering of local slope and surface height data

Wolfgang Holzapfel, Manfried Sofsky, Ulrich Neuschaefer-Rube

OE, Vol. 41, Issue 09, (September 2002) https://doi.org/10.1117/12.10.1117/1.1497175

KEYWORDS: Error analysis, Optimal filtering, Optical testing, Polarization, Optical engineering, Interferometry, Charge-coupled devices, Glasses, Shearography, Refractive index