Dr. Engelbert Hofbauer Profile

Dr. Engelbert Hofbauer

at Hofbauer Optik Mess- und Prüftechnik

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Author

Publications (8)

Proceedings Article | 15 July 2022 Paper

Centering measurement on aspheres: also double-sided

E. Hofbauer, R. Kometer

Proceedings Volume 12298, 1229809 (2022) https://doi.org/10.1117/12.2632970

KEYWORDS: Aspheric lenses, Spherical lenses, Manufacturing, Vignetting, Optical spheres, Surface finishing, Sensors, Polishing, Collimators, Tolerancing

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Proceedings Article | 7 June 2021 Paper

Knowing the limits: surface deviation in the mid-spatial-frequency range by deflectometric measurements

R. Kometer, E. Hofbauer

Proceedings Volume 11853, 118530F (2021) https://doi.org/10.1117/12.2601919

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Proceedings Article | 28 June 2019 Paper

A new approach to surface shape and centration measurement on aspheres with the new V-SPOT technology

E. Hofbauer, R. Kometer

Proceedings Volume 11171, 111710E (2019) https://doi.org/10.1117/12.2527650

KEYWORDS: Aspheric lenses, Interferometry, Vignetting, Sensors, Computer generated holography, Reticles, 3D metrology, Measurement devices, Error analysis, Reconstruction algorithms

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Proceedings Article | 7 August 2018 Paper

Fast and reliable in-situ measurements of large and complex surfaces using a novel deflectometric device

R. Kometer, E. Hofbauer

Proceedings Volume 10829, 108290B (2018) https://doi.org/10.1117/12.2318583

KEYWORDS: Surface finishing, Polishing, Interferometry, Interferometers, Glasses, Aspheric lenses, Prisms

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Proceedings Article | 15 June 2017 Paper

Resolution, measurement errors and uncertainties on deflectometric acquisition of large optical surfaces "DaOS"

E. Hofbauer, R. Rascher, F. Friedke, R. Kometer

Proceedings Volume 10326, 1032603 (2017) https://doi.org/10.1117/12.2267513

KEYWORDS: Collimation, Error analysis, Instrument modeling, Reconstruction algorithms, Interferometry, Light, Light sources

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Proceedings Article | 30 June 2016 Paper

Deflectometric acquisition of large optical surfaces (DaOS) using a new physical measurement principle: vignetting field stop procedure

E. Hofbauer, R. Rascher, M. Schilke, J. Liebl, J.-P. Richters

Proceedings Volume 10009, 100090A (2016) https://doi.org/10.1117/12.2236134

KEYWORDS: Vignetting, Mirrors, Interferometry, Spherical lenses, Sensors, Autocollimators, Error analysis, Photovoltaics, Interferometers, Prisms

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Proceedings Article | 1 May 2014 Paper

3D-optical measurement system using a new vignetting aperture procedure

Engelbert Hofbauer, Rolf Rascher, Konrad Wühr, Felix Friedke, Thomas Stubenrauch, Benjamin Pastötter, Sebastian Schleich, Christine Zöcke

Proceedings Volume 9132, 913206 (2014) https://doi.org/10.1117/12.2052631

KEYWORDS: Mirrors, Sensors, Vignetting, Calibration, 3D metrology, Precision optics, Cameras, Reflectors, Precision measurement, Image sensors

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Proceedings Article | 13 May 2013 Paper

Approach to the measurement of astronomical mirrors with new procedures

E. Hofbauer, R. Rascher, Th. Stubenrauch, J. Liebl, R. Maurer, A. Zimmermann, O. Rösch, J. Reitberger

Proceedings Volume 8788, 87881D (2013) https://doi.org/10.1117/12.2020414

KEYWORDS: Interferometry, Photovoltaics, Sensors, Mirrors, Deflectometry, Error analysis, Spherical lenses, Cameras, Interferometers, Astronomy

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Showing 5 of 8 publications

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