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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 4 — Feb. 14, 2011
  • pp: 3272–3283

Projected fringe profilometry using a liquid-crystal spatial light modulator to extend the depth measuring range

Wei-Hung Su, Chun-Hsiang Hsu, Wei-Chia Su, and Jung-Ping Liu  »View Author Affiliations


Optics Express, Vol. 19, Issue 4, pp. 3272-3283 (2011)
http://dx.doi.org/10.1364/OE.19.003272


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Abstract

An approach using a liquid-crystal spatial light modulator (LC-SLM) to enlarge the depth measuring range of the projected fringe profilometry is presented. This approach is especially applicable to detect dynamic objects with micro-scale sizes. Compared with a typical 2D image system, the LC-SLM provides a better performance for a 3D shape sensing system. The main advantages include (1) a much higher allowance to increase in the depth measuring range, (2) easiness to compensate perspective distortion and geometric distortion, (3) very high accuracy (in the micron-range) and (4) only one phase measurement needed for operation.

© 2011 OSA

OCIS Codes
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.4630) Instrumentation, measurement, and metrology : Optical inspection

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: July 28, 2010
Revised Manuscript: December 18, 2010
Manuscript Accepted: January 25, 2011
Published: February 4, 2011

Citation
Wei-Hung Su, Chun-Hsiang Hsu, Wei-Chia Su, and Jung-Ping Liu, "Projected fringe profilometry using a liquid-crystal spatial light modulator to extend the depth measuring range," Opt. Express 19, 3272-3283 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-4-3272


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