Articles | Volume 13, issue 1
Regular research article
26 Jan 2024
Regular research article |  | 26 Jan 2024

Laser-tracker-based reference measurement for geometric calibration of phase-measuring deflectometry with active display registration

Yann Sperling and Ralf Bernhard Bergmann

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Cited articles

Bartsch, J. and Bergmann, R. B.: Phasenmessende Deflektometrie mit aktiver Displayregistrierung, in: Proc. of 121th DGaO conference, ISSN: 1614-8436, urn:nbn:de:0287-2020-A012-2, (last access: 27 September 2023), 2020. a
Bartsch, J., Kalms, M., and Bergmann, R. B.: Improving the calibration of phase measuring deflectometry by a polynomial representation of the display shape, J. Eur. Opt. Soc.-Rapid, 49, 20,, 2019. a
Bartsch, J., Sperling, Y., and Bergmann, R. B.: Efficient vision ray calibration of multi-camera systems, Opt. Express, 29, 17125–17139,, 2021. a
Bothe, T., Li, W., Schulte, M., von Kopylow, C., Bergmann, R. B., and Jüptner, W. P. O.: Vision ray calibration for the quantitative geometric description of general imaging and projection optics in metrology, Appl. Optics, 49, 5851–5860,, 2010. a
Burge, J. H., Su, P., Zhao, C., and Zobrist, T.: Use of a commercial laser tracker for optical alignment, in: Optical System Alignment and Tolerancing, edited by: Sasian, J. M. and Ruda, M. C., International Society for Optics and Photonics, SPIE, 6676, p. 66760E,, 2007. a
Short summary
Phase-measuring deflectometry is an optical shape measurement technique for reflective surfaces. The basic idea is that a pattern that is observed through reflection on a curved surface gets distorted and reveals information about its shape. In this work we describe a method to move the pattern to obtain data for quantitative shape determination. The experimental setup is calibrated. With a laser tracker we reveal calibration errors and discuss their influence on the reconstructed shape.