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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 14 — May. 10, 2013
  • pp: 3134–3146

3D phase-shifting fringe projection system on the basis of a tailored free-form mirror

Susanne Zwick, Stefan Heist, Ralf Steinkopf, Sandra Huber, Sylvio Krause, Christian Bräuer-Burchardt, Peter Kühmstedt, and Gunther Notni  »View Author Affiliations


Applied Optics, Vol. 52, Issue 14, pp. 3134-3146 (2013)
http://dx.doi.org/10.1364/AO.52.003134


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Abstract

Phase-shifting fringe projection is an effective method to perform 3D shape measurements. Conventionally, fringe projection systems utilize a digital projector that images fringes into the measurement plane. The performance of such systems is limited to the visible spectral range, as most projectors experience technical limitations in UV or IR spectral ranges. However, for certain applications these spectral ranges are of special interest. We present a wideband fringe projector that has been developed on the basis of a picture generating beamshaping mirror. This mirror generates a sinusoidal fringe pattern in the measurement plane without any additional optical elements. Phase shifting is realized without any mechanical movement by a multichip LED. As the system is based on a single mirror, it is wavelength-independent in a wide spectral range and therefore applicable in UV and IR spectral ranges. We present the design and a realized setup of this fringe projection system and the characterization of the generated intensity distribution. Experimental results of 3D shape measurements are presented.

© 2013 Optical Society of America

OCIS Codes
(120.4630) Instrumentation, measurement, and metrology : Optical inspection
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(150.2950) Machine vision : Illumination
(150.6910) Machine vision : Three-dimensional sensing
(150.3045) Machine vision : Industrial optical metrology

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 12, 2012
Revised Manuscript: February 25, 2013
Manuscript Accepted: April 2, 2013
Published: May 2, 2013

Citation
Susanne Zwick, Stefan Heist, Ralf Steinkopf, Sandra Huber, Sylvio Krause, Christian Bräuer-Burchardt, Peter Kühmstedt, and Gunther Notni, "3D phase-shifting fringe projection system on the basis of a tailored free-form mirror," Appl. Opt. 52, 3134-3146 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-14-3134

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