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Applied Optics

Applied Optics


  • Vol. 20, Iss. 19 — Oct. 1, 1981
  • pp: 3385–3387

Contouring by laser speckle

G. K. Jaisingh and F. P. Chiang  »View Author Affiliations

Applied Optics, Vol. 20, Issue 19, pp. 3385-3387 (1981)

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A technique is presented to determine surface contours of 3-D objects by laser speckle interferometry. A double exposure specklegram is recorded by giving the object a small tilt between exposures. Surface contours are obtained by Fourier filtering of the specklegram.

© 1981 Optical Society of America

Original Manuscript: March 2, 1981
Published: October 1, 1981

G. K. Jaisingh and F. P. Chiang, "Contouring by laser speckle," Appl. Opt. 20, 3385-3387 (1981)

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  1. P. S. Theocaris, Moire Fringes in Strain Analysis (Pergamon, New York, 1969).
  2. D. M. Meadows, W. O. Johnson, J. B. Allen, Appl. Opt. 9, 942 (1970). [CrossRef] [PubMed]
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