Prof. Mostafa Agour Profile

Prof. Mostafa Agour

Researcher at BIAS - Bremer Institut für angewandte Strahltechnik GmbH

SPIE Involvement:

Author

Publications (19)

Proceedings Article | 15 August 2023 Presentation + Paper

Improved 3D form profiler based on extending illumination aperture

Mostafa Agour, Claas Falldorf, Ralf Bergmann

Proceedings Volume 12618, 126180T (2023) https://doi.org/10.1117/12.2673783

KEYWORDS: Light sources and illumination, Light emitting diodes, Light sources, 3D metrology, Cameras, Speckle, Partial coherence, Objectives, LED lighting, Imaging systems

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Proceedings Article | 15 August 2023 Poster + Paper

Adaptive Shack-Hartmann wavefront system with extended dynamic range for lens characterization

Rania Abdelazeem, Mahmoud M. Ahmed, Mostafa Agour

Proceedings Volume 12618, 126182D (2023) https://doi.org/10.1117/12.2673593

KEYWORDS: Wavefronts, Lenses, Wavefront sensors, Adaptive optics, Dynamical systems, Aberration correction, Wavefront aberrations, Manufacturing, Image quality, Deformable mirrors

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Proceedings Article | 15 August 2023 Poster + Paper

Improving the phase modulation of spatial light modulator using Shack-Hartmann wavefront sensor

Rania Abdelazeem, Mahmoud M. Ahmed, Salah Hassab-Elnaby, Mostafa Agour

Proceedings Volume 12618, 126182Q (2023) https://doi.org/10.1117/12.2673850

KEYWORDS: Spatial light modulators, Wavefront sensors, Wavefronts, Computer generated holography, Phase modulation, Reflection, Phase measurement, Windows, Phase shift keying, Optics manufacturing

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Proceedings Article | 10 August 2023 Presentation + Paper

The coherence function for optical metrology: a new paradigm and the role of information theory and compressed sensing

Ralf Bergmann, Claas Falldorf, Alberto Garcia Ortiz, André Müller, Mostafa Agour, Carsten Bockelmann

Proceedings Volume 12619, 1261902 (2023) https://doi.org/10.1117/12.2675922

KEYWORDS: Compressed sensing, Optical metrology, Optical coherence, Information theory, Interferograms, Cameras, Terahertz radiation, Fourier transform interferometers, Phase reconstruction, Image restoration

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SPIE Journal Paper | 10 November 2022

Characterization of terahertz wavefront aberrations using computational shear-interferometry

Mostafa Agour, Claas Falldorf, Fatima Taleb, Enrique Castro-Camus, Martin Koch, Ralf Bergmann

OE, Vol. 61, Issue 11, 114102, (November 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.11.114102

KEYWORDS: Terahertz radiation, Wavefronts, Spherical lenses, Diffraction gratings, Cameras, Diffraction, Wavefront aberrations, Sensors, Interferometers, Monochromatic aberrations

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Proceedings Article | 31 May 2022 Presentation + Paper

Shear interferometry for terahertz wavefront sensing

Mostafa Agour, Claas Falldorf, Fatima Taleb, Enrique Castro-Camus, Martin Koch, Ralf Bergmann

Proceedings Volume 12134, 121340B (2022) https://doi.org/10.1117/12.2621696

KEYWORDS: Terahertz radiation, Cameras, Wavefronts, Spherical lenses, Diffraction gratings, Diffraction, Wavefront sensors, Sensors, Interferometers, Wave propagation

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Proceedings Article | 20 May 2022 Poster + Paper

Adaptive wavefront sensor for accurate characterization and evaluation of circular optical elements

Rania Abdelazeem, Mostafa Agour

Proceedings Volume 12137, 121370V (2022) https://doi.org/10.1117/12.2619488

KEYWORDS: Contact lenses, Wavefronts, Lenses, Wavefront sensors, Wavefront aberrations, Optical components, Optical testing, Spherical lenses, Glasses, Sensors

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Proceedings Article | 7 December 2021 Paper

Three-dimensional holographic projection of brain tumor progression

Rania Abdelazeem, Doaa Youssef, Salah Hassab-Elnaby, Mostafa Agour

Proceedings Volume 11919, 119190Z (2021) https://doi.org/10.1117/12.2614788

KEYWORDS: Tumors, Holograms, Spatial light modulators, Holography, Brain, Image segmentation, Projection systems, Modulation, Fourier transforms, Magnetic resonance imaging

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SPIE Journal Paper | 7 December 2017

Spatial multiplexing digital holography for speckle noise reduction in single-shot holographic two-wavelength contouring

Mostafa Agour, Reiner Klattenhoff, Claas Falldorf, Ralf Bergmann

OE, Vol. 56, Issue 12, 124101, (December 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.12.124101

KEYWORDS: Holograms, Digital holography, Speckle, Multiplexing, Cameras, Denoising, Holography, Objectives, Semiconductor lasers, Optical engineering

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Proceedings Article | 15 May 2017 Presentation + Paper

In-line quality control of micro parts using digital holography

Aleksandar Simic, Hendrik Freiheit, Mostafa Agour, Claas Falldorf, Ralf Bergmann

Proceedings Volume 10233, 1023311 (2017) https://doi.org/10.1117/12.2265780

KEYWORDS: Mirrors, Charge-coupled devices, Beam splitters, Microscopy, Light sources, Digital holography, Inspection, Holography, Metrology, Optical inspection, Confocal microscopy, Optical interferometry, Phase shifting, Cameras, Optical testing

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Proceedings Article | 15 May 2017 Paper

Speckle noise reduction in single-shot holographic two-wavelength contouring

Mostafa Agour, Reiner Klattenhoff, Claas Falldorf, Ralf Bergmann

Proceedings Volume 10233, 102330R (2017) https://doi.org/10.1117/12.2264971

KEYWORDS: Speckle, Holography, Digital holography, Multiplexing, Microscopy, Holograms, Optical metrology, Cameras, Denoising

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Proceedings Article | 15 May 2017 Paper

Holographic 3D imaging through diffuse media by compressive sampling of the mutual intensity

Claas Falldorf, Thorsten Klein, Mostafa Agour, Ralf Bergmann

Proceedings Volume 10233, 102330Q (2017) https://doi.org/10.1117/12.2265007

KEYWORDS: Holography, Stereoscopy, Interferometry, Digital holography, Phase contrast, Scattering, Light scattering, Medicine, Sensors, Spatial coherence, Temporal coherence, Remote sensing, Phase shifts, Holograms

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Proceedings Article | 9 March 2016 Presentation + Paper

Shape measurements of microscopic objects using computational shear interferometry

Mostafa Agour, Claas Falldorf, Ralf Bergmann

Proceedings Volume 9718, 97182M (2016) https://doi.org/10.1117/12.2212910

KEYWORDS: Interferometry, Spatial light modulators, Phase contrast, Diffraction gratings, Inspection, Microscopy, Wave sensors, 3D metrology, Reflectivity, Interferometers, Cameras, Charge-coupled devices, Sensors, Inverse problems, Optical filters

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Proceedings Article | 9 March 2016 Presentation + Paper

Quantitative phase contrast imaging using a Nomarski microscope with variable shear distance

Claas Falldorf, Mostafa Agour, Jonas Kötter, Ralf Bergmann

Proceedings Volume 9718, 97182I (2016) https://doi.org/10.1117/12.2212757

KEYWORDS: Phase contrast, Spatial light modulators, Interferometry, Microscopes, Coherence (optics), Microscopy, Wave sensors, Phase measurement, Vibration isolation, Modulation, Phase shift keying, Reflectivity, Sensors, Microelectromechanical systems, Digital image correlation, Image processing

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SPIE Journal Paper | 25 February 2015

Digital holography and quantitative phase contrast imaging using computational shear interferometry

Claas Falldorf, Mostafa Agour, Ralf Bergmann

OE, Vol. 54, Issue 02, 024110, (February 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.2.024110

KEYWORDS: Interferometry, Phase contrast, Digital holography, Interferometers, Light emitting diodes, Microscopes, Spatial light modulators, Digital image correlation, Sensors, Fiber couplers

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Proceedings Article | 18 August 2014 Paper

Advanced wave field sensing using computational shear interferometry

Claas Falldorf, Mostafa Agour, Ralf Bergmann

Proceedings Volume 9204, 92040C (2014) https://doi.org/10.1117/12.2062814

KEYWORDS: Interferometry, Phase contrast, Interferometers, Digital holography, Digital image correlation, Microscopes, Light emitting diodes, Wave sensors, Fiber couplers, Light sources

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Proceedings Article | 11 September 2012 Paper

Non-destructive testing of carbon reinforced plastics by means of phase retrieval

Mostafa Agour, Claas Falldorf, Christoph von Kopylow, Ralf Bergmann

Proceedings Volume 8413, 841318 (2012) https://doi.org/10.1117/12.978175

KEYWORDS: Spatial light modulators, Carbon, Phase retrieval, Inspection, Nondestructive evaluation, Phase measurement, Light wave propagation, Cameras, Speckle, Time metrology

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Proceedings Article | 15 May 2012 Paper

3D shape measurement using deterministic phase retrieval and a partially developed speckle field

Percival Almoro, Laura Waller, Mostafa Agour, Claas Falldorf, Giancarlo Pedrini, Wolfgang Osten, Steen Hanson

Proceedings Volume 8384, 83840Q (2012) https://doi.org/10.1117/12.919223

KEYWORDS: Speckle, Phase retrieval, Wavefronts, Diffusers, Spatial light modulators, Speckle pattern, 3D metrology, Diffraction, Wave propagation, Cameras

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Proceedings Article | 27 May 2011 Paper

The effect of misalignment in phase retrieval based on a spatial light modulator

Mostafa Agour, Claas Falldorf, Christoph von Kopylow, Ralf Bergmann

Proceedings Volume 8082, 80820M (2011) https://doi.org/10.1117/12.889200

KEYWORDS: Spatial light modulators, Phase retrieval, Wave propagation, Charge-coupled devices, Modulation, Fourier transforms, Sensors, Diffraction, Optical filters, Phase only filters

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Showing 5 of 19 publications

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