Prof. Bernhard G. Zagar Profile

Prof. Bernhard G. Zagar

at Johannes Kepler Univ Linz

SPIE Involvement:

Editor | Author

Proceedings Article | 17 September 2019 Open Access

Optical analysis of magnetic microstructures

Ruben Piepgras, Sebastian Michlmayr, Bernhard Zagar

Proceedings Volume 11144, 111440X (2019) https://doi.org/10.1117/12.2530795

KEYWORDS: Crystals, Magnetism, Cameras, Spatial resolution, Temporal resolution, Polarizers, Light emitting diodes, Polarization, Optical analysis, Light sources

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Proceedings Article | 11 October 2011 Paper

A discussion of sources of error in laser-speckle based systems

Bernhard Zagar, Johannes Lettner

Proceedings Volume 8306, 830606 (2011) https://doi.org/10.1117/12.912325

KEYWORDS: Semiconductor lasers, Imaging systems, Crystals, Speckle, Thermography, Laser systems engineering, Laser stabilization, Cameras, Diffraction gratings, Speckle pattern

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Proceedings Article | 22 May 2009 Paper

Identification of scanning probe microscopes sensor heads and validation of a mechanical model by a laser vibrometer

Bernd Arminger, Bernhard Zagar

Proceedings Volume 7378, 73781B (2009) https://doi.org/10.1117/12.821781

KEYWORDS: Sensors, Head, Actuators, Aluminum, Data modeling, Signal processing, Scanning probe microscopes, Scanning tunneling microscopy, Scanning probe microscopy, 3D image processing

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Proceedings Article | 10 October 2007 Paper

A ray tracing approach to inverse pattern profilometry

Veronika Putz, Bernhard Zagar

Proceedings Volume 6762, 67620I (2007) https://doi.org/10.1117/12.733944

KEYWORDS: Cameras, Projection systems, LCDs, Ray tracing, Distortion, Transform theory, Manufacturing, Quantization, Reflection, Image processing

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Proceedings Article | 20 October 2006 Paper

Characterization of micromaterials using laser speckles

Roland Kothbauer, Stefan Rupitsch, Bernhard Zagar

Proceedings Volume 6371, 63710Q (2006) https://doi.org/10.1117/12.686049

KEYWORDS: Cameras, Copper, Speckle, Speckle pattern, Line scan cameras, Light sources, Collimation, Laser applications, Image processing, Sensors

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Proceedings Article | 15 September 2006 Paper

Exploring the world of micromaterials using laser-speckle techniques

Bernhard Zagar, Peter Zimprich, Brigitte Weiss

Proceedings Volume 6341, 63412Z (2006) https://doi.org/10.1117/12.695998

KEYWORDS: Sensors, Speckle, Copper, Speckle pattern, Calibration, Laser applications, Helium neon lasers, Line scan cameras, Physics, CCD image sensors

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Proceedings Article | 20 October 2005 Paper

Digital signal processing in AFM topography and recognition imaging

Stefan Adamsmair, Andreas Ebner, Peter Hinterdorfer, Bernhard Zagar

Proceedings Volume 5965, 59650E (2005) https://doi.org/10.1117/12.626808

KEYWORDS: Digital signal processing, Signal processing, Filtering (signal processing), Atomic force microscopy, Analog electronics, Photodiodes, Receptors, Electronic filtering, Molecules, Temperature metrology

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Proceedings Article | 14 February 2005 Paper

Some measurement results for an elasto-optical force transducer

Bernd Arminger, Bernhard Zagar

Proceedings Volume 5776, (2005) https://doi.org/10.1117/12.611627

KEYWORDS: Resonators, Nd:YAG lasers, Crystals, Refractive index, Sensors, Transducers, Modes of laser operation, Indium gallium arsenide, Calibration, Laser resonators

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Proceedings Article | 19 November 2003 Paper

Localised laser-speckle strain sensor

Sebastian Schneider, Bernhard Zagar

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530094

KEYWORDS: Speckle, Sensors, Signal processing, Collimation, Laser applications, Argon, Lithium, Line scan sensors, Cameras, Coherence (optics)

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Proceedings Article | 29 July 2002 Paper

Applicability of a laser-optical strain sensor

S. Schneider, Bernhard Zagar

Proceedings Volume 4900, (2002) https://doi.org/10.1117/12.484532

KEYWORDS: Speckle, Signal processing, Cameras, Sensors, Speckle pattern, Copper, Laser applications, Laser optics, Collimation, Laser metrology

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SPIE Journal Paper | 1 January 2001

Optimum analog-to-digital converters for a laser speckle correlation-based displacement and strain sensor with optical preprocessing

Christian Kargel, Bernhard Zagar

OE, Vol. 40, Issue 01, (January 2001) https://doi.org/10.1117/12.10.1117/1.1331271

KEYWORDS: Speckle, Digital signal processing, Speckle pattern, Optical signal processing, Cameras, Optical filters, Filtering (signal processing), Quantization, Laser processing, Sensors

Proceedings Article | 11 November 1999 Paper

Thermal and mechanical properties of micromaterials using laser-optical strain sensors

Marcus Anwander, Alfred Hadrboletz, Brigitte Weiss, Bernhard Zagar

Proceedings Volume 3897, (1999) https://doi.org/10.1117/12.369334

KEYWORDS: Sensors, Copper, Spatial resolution, Speckle, Laser systems engineering, CCD image sensors, Californium, Composites, Nickel, Microelectronics

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Proceedings Article | 9 September 1999 Paper

Advanced particular digital signal processing in a real-time laser-speckle-correlation-based strain sensor with optical preprocessing

Christian Kargel, Bernhard Zagar

Proceedings Volume 3823, (1999) https://doi.org/10.1117/12.360971

KEYWORDS: Speckle, Correlation function, Digital signal processing, Laser processing, Optical signal processing, Speckle pattern, Quantization, Sensors, Signal processing, Optical filters

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Proceedings Article | 9 October 1998 Paper

Optical preprocessing in a laser-speckle correlation measurement technique for the determination of engineering strain within a specimen

Christian Kargel, Bernhard Zagar

Proceedings Volume 3466, (1998) https://doi.org/10.1117/12.326774

KEYWORDS: Speckle, Optical filters, Signal processing, Cameras, Filtering (signal processing), Speckle pattern, Spatial frequencies, Image filtering, Digital signal processing, Image processing

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Showing 5 of 14 publications

SPIE Conference Volume | 4 October 2019

Photonics and Education in Measurement Science 2019

Conference Committee Involvement (1)

Joint TC1 - TC2 International Symposium on Photonics and Education in Measurement Science 2019

17 September 2019 | Jena, Germany

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