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Applied Optics

Applied 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)

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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

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

Qifeng Yu, K. Andresen, and Dongsheng Zhang, "Digital pure shear-strain moiré patterns," Appl. Opt. 31, 1813-1817 (1992)

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