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Applied Optics

Applied Optics


  • Vol. 26, Iss. 9 — May. 1, 1987
  • pp: 1688–1692

Automated fringe measurement in speckle photography

Farhad Ansari and Gregory Ciurpita  »View Author Affiliations

Applied Optics, Vol. 26, Issue 9, pp. 1688-1692 (1987)

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An automated Young’s fringe processor for point filtering of speckle photographs is described. It automatically measures the magnitude and direction of displacements from fringe densities of less than twenty with good accuracies. Microcomputer-based, requiring <64K of memory, the system provides full automation by employing computer-controlled scanning.

© 1987 Optical Society of America

Original Manuscript: October 29, 1986
Published: May 1, 1987

Farhad Ansari and Gregory Ciurpita, "Automated fringe measurement in speckle photography," Appl. Opt. 26, 1688-1692 (1987)

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  1. V. J. Parks, “The Range of Speckle Metrology,” Exp. Mech. 20, 181 (1980). [CrossRef]
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