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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 11 — Apr. 10, 1992
  • pp: 1813–1817

Digital pure shear-strain moiré patterns

Qifeng Yu, K. Andresen, and Dongsheng Zhang  »View Author Affiliations


Applied Optics, Vol. 31, Issue 11, pp. 1813-1817 (1992)
http://dx.doi.org/10.1364/AO.31.001813


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Abstract

A method of constructing digital shear-strain moiré patterns with pure shear-strain fringes is proposed here with the help of digital image processing techniques and moiré carrier patterns of rotation. This method is developed from a digital pure secondary moiré pattern method. The pure shear-strain moiré patterns do not require a high fringe density of primary moiré patterns. It can give the shear-strain values at every point over the whole field and give the visible distribution of the shear-strain field.

© 1992 Optical Society of America

History
Original Manuscript: June 10, 1991
Published: April 10, 1992

Citation
Qifeng Yu, K. Andresen, and Dongsheng Zhang, "Digital pure shear-strain moiré patterns," Appl. Opt. 31, 1813-1817 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-11-1813


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References

  1. A. J. Durelli, V. J. Parks, Moire Analysis of Strain (Prentice-Hall, Englewood Cliffs, N.J., 1970).
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  5. Q. F. Yu, “Constructing pure digital secondary moire patterns,” Exp. Mech. 30, 247–252 (1990). [CrossRef]
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  8. Q. F. Yu, “Fringe multiplication methods for digital interferometric fringes,” Appl. Opt. 28, 4323–4327 (1989). [CrossRef] [PubMed]

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