Paper Title:
3-D Shape Measurement Based on Optic Interferometric Projection
  Abstract

This paper aimed to use a novel optic interferometric fringe projection to measure the three-dimensional shape of small object with high resolution. In this method, the projecting fringe pattern, which has a sinusoidal density distribution, good contrast and equal spacing, is generated by a spherical wave incident into a triangle-section prism. Project the fringe onto the subject under test, the image of the deformed fringe pattern modulated by object surface is captured by a high-speed CMOS camera and processed by the Fourier Transform technique to extract the phase distribution which is related to height information. An experimental system is set to conduct 3-D shape measurement and the result shows the validity of the proposed method. The projecting system is simple and compact, which helps to realize the integration and miniaturization of the system.

  Info
Periodical
Advanced Materials Research (Volumes 139-141)
Edited by
Liangchi Zhang, Chunliang Zhang and Tielin Shi
Pages
1981-1984
DOI
10.4028/www.scientific.net/AMR.139-141.1981
Citation
J. H. Gan, L. P. Zhou, L. Z. Chen, L. Xu, "3-D Shape Measurement Based on Optic Interferometric Projection", Advanced Materials Research, Vols. 139-141, pp. 1981-1984, 2010
Online since
October 2010
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Price
$32.00
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