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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 32 — Nov. 10, 1997
  • pp: 8397–8402

Phase measuring algorithm for extraction of isochromatics of photoelastic fringe patterns

J. A. Quiroga and A. González-Cano  »View Author Affiliations


Applied Optics, Vol. 36, Issue 32, pp. 8397-8402 (1997)
http://dx.doi.org/10.1364/AO.36.008397


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Abstract

In recent years phase-measuring techniques have been applied to the problem of extracting information of photoelastic data. We present a new phase-measuring algorithm for extraction of the isochromatics of photoelastic fringe patterns. The algorithm permits the extraction of the isochromatic phase with almost no influence from the isoclinics, thus avoiding the usual problems of low-modulation areas associated with isoclinics. The isochromatic phase map obtained with this algorithm is well suited for a full separation of the stress components in a sample. The algorithm can be used with any commercial diffuse-light circular polariscope.

© 1997 Optical Society of America

History
Original Manuscript: February 12, 1997
Revised Manuscript: May 15, 1997
Published: November 10, 1997

Citation
J. A. Quiroga and A. González-Cano, "Phase measuring algorithm for extraction of isochromatics of photoelastic fringe patterns," Appl. Opt. 36, 8397-8402 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-32-8397

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