Dr. Markus Fratz Profile

Dr. Markus Fratz

at Fraunhofer-IPM

SPIE Involvement:

Author

Area of Expertise:

digital holography , computaional optics , imaging

Publications (13)

Proceedings Article | 15 August 2023 Paper

Digital holography in a machine tool: measuring large-scale objects with micron accuracy

Tobias Seyler, Markus Fratz, Annelie Schiller, Alexander Bertz, Daniel Carl, Tobias Schmitt-Manderbach, Markus Langer

Proceedings Volume 12618, 126181U (2023) https://doi.org/10.1117/12.2673585

KEYWORDS: Digital holography, Holography, Sensors, Point clouds, Manufacturing, 3D metrology, Computer aided design, Mirror surfaces, Metrology

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Proceedings Article | 20 May 2022 Poster + Paper

Combined electronic speckle pattern interferometry and digital holography for analysis of deformations in magnetic shape memory actuators

G. Laskin, J. Heider, R. Schnetzler, M. Fratz, A. Schiller, A. Bertz, M. Laufenberg, D. Carl

Proceedings Volume 12136, 121360X (2022) https://doi.org/10.1117/12.2619698

KEYWORDS: Sensors, Switching, Magnetism, Interferometry, Digital holography, Speckle pattern, Phase shifting, Cameras, Shape analysis, Actuators

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Proceedings Article | 20 June 2021 Poster + Presentation + Paper

Microscopic height measurements on moving objects with digital holography

Annelie Schiller, Tobias Beckmann, Markus Fratz, Alexander Bertz, Daniel Carl

Proceedings Volume 11782, 117821P (2021) https://doi.org/10.1117/12.2591936

KEYWORDS: Digital holography, Motion measurement, Cameras, Speckle, Semiconductor lasers, Range imaging, Precision measurement, Phase shifting, Interferometry, Inspection

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Proceedings Article | 20 June 2021 Presentation + Paper

High-speed electronic speckle pattern interferometry for analysis of thermo-mechanical behavior of electronic components

G. Laskin, H. Huai, M. Fratz, T. Seyler, T. Beckmann, A. Schiffmacher, A. Bertz, J. Wilde, D. Carl

Proceedings Volume 11782, 117820A (2021) https://doi.org/10.1117/12.2592024

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Proceedings Article | 20 June 2021 Presentation + Paper

Digital holography as a tool for high-speed high-precision 3D-measurements for industrial applications

Markus Fratz, Tobias Beckmann, Tobias Seyler, Alexander Bertz, Daniel Carl

Proceedings Volume 11782, 1178209 (2021) https://doi.org/10.1117/12.2591964

KEYWORDS: Digital holography, Sensors, Light scattering, Holography, Dynamic light scattering, 3D metrology, Scattering, Imaging systems, Cameras, 3D acquisition

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Proceedings Article | 7 September 2018 Paper

Extensive microstructural quality control inside a machine tool using multiwavelength digital holography

T. Seyler, M. Fratz, T. Beckmann, A. Bertz, D. Carl, V. Grün, R. Börret, F. Ströer, J. Seewig

Proceedings Volume 10834, 108342B (2018) https://doi.org/10.1117/12.2319750

KEYWORDS: Sensors, Deconvolution, Digital holography, Confocal microscopy, Interferometers, Holograms, Surface roughness

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Proceedings Article | 7 September 2018 Paper

Multiwavelength digital holography: height measurements on linearly moving and rotating objects

Annelie Schiller, Tobias Beckmann, Markus Fratz, Alexander Bertz, Daniel Carl, Karsten Buse

Proceedings Volume 10834, 108342E (2018) https://doi.org/10.1117/12.2319938

KEYWORDS: Digital holography, Manufacturing, Cameras, Motion measurement, 3D metrology, Inspection, Holography, Phase shifting, Diffraction, Speckle

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Proceedings Article | 26 June 2017 Paper

Digital holography on moving objects: multiwavelength height measurements on inclined surfaces

Annelie Schiller, Tobias Beckmann, Markus Fratz, Dominik Belzer, Alexander Bertz, Daniel Carl, Karsten Buse

Proceedings Volume 10329, 103290D (2017) https://doi.org/10.1117/12.2270176

KEYWORDS: Image quality, Speckle, Metals, Digital holography, Holography, Interferometry, Motion measurement, Holographic interferometry, Manufacturing, Optics manufacturing, Speckle pattern, Optical fabrication

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Proceedings Article | 26 June 2017 Paper

Miniaturized multiwavelength digital holography sensor for extensive in-machine tool measurement

Tobias Seyler, Markus Fratz, Tobias Beckmann, Alexander Bertz, Daniel Carl

Proceedings Volume 10329, 103290F (2017) https://doi.org/10.1117/12.2270087

KEYWORDS: Image resolution, Wave propagation, Laser beam propagation, Image processing, Sensors, Digital holography, Holography, 3D metrology, Cameras, Interferometers, Phase shifting, Fiber coupled lasers

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Proceedings Article | 4 April 2014 Paper

Absolutely referenced distance measurement by combination of time-of-flight and digital holographic methods

Markus Fratz, Claudius Weimann, Harald Wölfelschneider, Christian Koos, Heinrich Höfler

Proceedings Volume 8992, 89920O (2014) https://doi.org/10.1117/12.2039426

KEYWORDS: Distance measurement, Interferometry, Modulation, Sensors, Digital holography, Phase measurement, Beam splitters, Fiber coupled lasers, Phase shift keying, Signal generators

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Proceedings Article | 25 February 2014 Paper

High-speed deformation measurement using spatially phase-shifted speckle interferometry

Tobias Beckmann, Markus Fratz, Alexander Bertz, Daniel Carl

Proceedings Volume 9006, 90060E (2014) https://doi.org/10.1117/12.2037718

KEYWORDS: Cameras, Surface plasmons, Speckle pattern, Phase measurement, Image resolution, Speckle interferometry, Interferometry, Phase shifts, Solids, Speckle

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SPIE Journal Paper | 1 November 2007 Open Access

Noninvasive time-dependent cytometry monitoring by digital holography

Manuel Kemmler, Markus Fratz, Dominik Giel, Norbert Saum, Albrecht Brandenburg, Christian Hoffmann

JBO, Vol. 12, Issue 06, 064002, (November 2007) https://doi.org/10.1117/12.10.1117/1.2804926

KEYWORDS: Digital holography, Refractive index, Phase shifts, Microscopes, Cell death, Holography, Image segmentation, Microfluidics, Microscopy, Water

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Proceedings Article | 21 February 2006 Paper

Phase-shifting interferometric holography of living cells

Dominik Giel, Markus Fratz, Albrecht Brandenburg

Proceedings Volume 6088, 60880E (2006) https://doi.org/10.1117/12.645952

KEYWORDS: Phase shifts, Holography, Digital holography, Microscopes, Beam splitters, Sensors, 3D image reconstruction, Luminescence, Phase shifting, Interferometry

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Showing 5 of 13 publications

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