Dr. Christoph von Kopylow Profile

Dr. Christoph von Kopylow

at Bremer Institut für Angewandte Strahltechnik

SPIE Involvement:

Author

Publications (29)

Proceedings Article | 18 August 2014 Paper

Measuring deformations with deflectometry

Wansong Li, Philipp Huke, Jan Burke, Christoph von Kopylow, Ralf Bergmann

Proceedings Volume 9203, 92030F (2014) https://doi.org/10.1117/12.2063446

KEYWORDS: Mirrors, Deflectometry, Cameras, Calibration, Phase measurement, Fringe analysis, Monochromatic aberrations, Reflectivity, Actuators, Error analysis

Read Abstract +

Proceedings Article | 16 April 2013 Paper

Nondestructive testing in an automated process chain for mass manufacturing of fiber-reinforced thermoplastic components

Michael Kalms, Sandra Hellmers, Christoph v. Kopylow, Ralf Bergmann

Proceedings Volume 8694, 869429 (2013) https://doi.org/10.1117/12.2008805

KEYWORDS: Ultrasonography, Signal detection, Nondestructive evaluation, Interferometers, Manufacturing, Image processing, Inspection, Sensors, Mirrors, Laser systems engineering

Read Abstract +

Proceedings Article | 13 September 2012 Paper

Single-shot multiwavelength shape measurements with restricted aperture

S. Huferath-von Luepke, E. Kamau, Th. Kreis, C. von Kopylow

Proceedings Volume 8493, 84930V (2012) https://doi.org/10.1117/12.929782

KEYWORDS: Holograms, 3D image reconstruction, Sensors, CCD cameras, Digital holography, Speckle, Femtosecond phenomena, Beam splitters, Reconstruction algorithms, Holography

Read Abstract +

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

Read Abstract +

Proceedings Article | 11 September 2012 Paper

Measuring the complex amplitude of speckle fields by means of a shear interferometer

Claas Falldorf, Christoph von Kopylow, Ralf Bergmann

Proceedings Volume 8413, 84130Q (2012) https://doi.org/10.1117/12.977829

KEYWORDS: Interferometry, Speckle, Cameras, Interferometers, Spatial light modulators, Diffusers, Light scattering, Mendelevium, Optimization (mathematics), Wave sensors

Read Abstract +

Proceedings Article | 11 September 2012 Paper

A fast and robust approach to phase shift registration from randomly phase shifted interferograms

Alexander Hildebrand, Claas Falldorf, Christoph von Kopylow, Ralf Bergmann

Proceedings Volume 8413, 84130R (2012) https://doi.org/10.1117/12.978027

KEYWORDS: Phase shifts, Modulation, Phase shifting, Reconstruction algorithms, Phase shift keying, Speckle, Interferometry, Matrices, Computer simulations, Sensors

Read Abstract +

Proceedings Article | 29 November 2011 Paper

Robust digital speckle photography based on radon and Fourier-Mellin transforms

E. Kamau, C. Falldorf, C. von Kopylow, R. Bergmann

Proceedings Volume 8202, 82020A (2011) https://doi.org/10.1117/12.904375

KEYWORDS: Digital signal processing, Speckle pattern, Digital photography, Transform theory, Speckle, Photography, Radon, Heat treatments, Image processing, Radon transform

Read Abstract +

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

Read Abstract +

Proceedings Article | 27 May 2011 Paper

Reference wave adaptation in digital lensless Fourier holography by means of a spatial light modulator

Thomas Meeser, Claas Falldorf, Christoph von Kopylow, Ralf Bergmann

Proceedings Volume 8082, 808206 (2011) https://doi.org/10.1117/12.889472

KEYWORDS: Digital holography, Spatial light modulators, Holography, Transmittance, Holograms, Fourier transforms, Spherical lenses, Wave propagation, Modulation, Sensors

Read Abstract +

Proceedings Article | 2 August 2010 Paper

Optical metrology and optical non-destructive testing from the perspective of object characteristics

Ralf Bergmann, T. Bothe, C. Falldorf, P. Huke, M. Kalms, C. von Kopylow

Proceedings Volume 7791, 779102 (2010) https://doi.org/10.1117/12.862266

KEYWORDS: Nondestructive evaluation, Ultrasonography, Shearography, Optical metrology, Reflectometry, Reflection, Pulsed laser operation, Interferometry, Mirrors, Phase measurement

Read Abstract +

Proceedings Article | 3 June 2010 Paper

Digital holographic recording using spatially resolved multiwavelengths

S. Huferath-von Luepke, C. von Kopylow, J. Geldmacher, Th. Kreis

Proceedings Volume 7730, 773005 (2010) https://doi.org/10.1117/12.859138

KEYWORDS: Holograms, Digital holography, Charge-coupled devices, Holography, Prisms, Dye lasers, Reconstruction algorithms, Femtosecond phenomena, Superposition, Beam splitters

Read Abstract +

Proceedings Article | 17 June 2009 Paper

Towards deconvolution in holography

Nan Wang, Claas Falldorf, Christoph von Kopylow

Proceedings Volume 7390, 73900Y (2009) https://doi.org/10.1117/12.827507

KEYWORDS: Holograms, Holography, Deconvolution, Convolution, Image processing, Digital holography, 3D image processing, Scattering, Particles, Electronic filtering

Read Abstract +

Proceedings Article | 3 October 2008 Paper

Applications of laser ultrasound NDT methods on composite structures in aerospace industry

Michael Kalms, Oliver Focke, Christoph v. Kopylow

Proceedings Volume 7155, 71550E (2008) https://doi.org/10.1117/12.814512

KEYWORDS: Ultrasonography, Nondestructive evaluation, Composites, Pulsed laser operation, Ultrasonics, Inspection, Laser applications, Optical amplifiers, Carbon dioxide lasers, Laser systems engineering

Read Abstract +

Proceedings Article | 27 March 2008 Paper

Inspection of lamb waves in carbon fiber composites using shearographic interferometry

O. Focke, A. Hildebrand, C. von Kopylow, M. Calomfirescu

Proceedings Volume 6934, 693403 (2008) https://doi.org/10.1117/12.775734

KEYWORDS: Wave propagation, Wavefronts, Shearography, Mirrors, Mach-Zehnder interferometers, Finite element methods, Carbon, Interferometry, Phase shifting, Sensors

Read Abstract +

Proceedings Article | 18 June 2007 Paper

Laser ultrasound: a flexible tool for the inspection of complex CFK components and welded seams

Christoph von Kopylow, Oliver Focke, Michael Kalms

Proceedings Volume 6616, 66163J (2007) https://doi.org/10.1117/12.732043

KEYWORDS: Ultrasonography, Inspection, Pulsed laser operation, Metals, Laser systems engineering, Carbon, Composites, Signal detection, Manufacturing, Interferometers

Read Abstract +

Proceedings Article | 14 August 2006 Paper

Optimized setup for active compensation of distortions for interferometric techniques onboard the International Space Station

Christoph von Kopylow, Volker Kebbel, Joachim Becker, Werner Jüptner

Proceedings Volume 6292, 62920J (2006) https://doi.org/10.1117/12.681697

KEYWORDS: Wavefronts, Interferometers, Sensors, Interferometry, Optical components, Temperature metrology, CCD cameras, Beam splitters, Charge-coupled devices, Refractive index

Read Abstract +

Proceedings Article | 27 February 2006 Paper

Impact measurements using double pulse digital holography

J. Müller, J. Geldmacher, C. König, M. Calomfirescu, C. v. Kopylow, W. Jüptner

Proceedings Volume 6136, 61360O (2006) https://doi.org/10.1117/12.642883

KEYWORDS: Digital holography, Holograms, Composites, Carbon, Wavefronts, Structured optical fibers, CCD cameras, Holography, Ruby lasers, Velocity measurements

Read Abstract +

Proceedings Article | 17 November 2005 Paper

Integrated quality assurance for assembly and testing of complex structures

Christoph von Kopylow, Thorsten Bothe, Frank Elandaloussi, Michael Kalms, Werner Jüptner

Proceedings Volume 5999, 59990L (2005) https://doi.org/10.1117/12.630726

KEYWORDS: Cameras, Reflection, Manufacturing, Inspection, Shearography, Distance measurement, Stereoscopic cameras, Imaging systems, Projection systems, Lamps

Read Abstract +