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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 31 — Nov. 1, 1997
  • pp: 8259–8263

Derivation of retardation phase in computer-aided photoelasticity by using carrier fringe phase shifting

T. W. Ng  »View Author Affiliations


Applied Optics, Vol. 36, Issue 31, pp. 8259-8263 (1997)
http://dx.doi.org/10.1364/AO.36.008259


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Abstract

Previous phase-shifting schemes in computer-aided photoelasticity required the processing of six fringe patterns to derive the phase difference due to retardation. A technique in which a carrier fringe is used is demonstrated to reduce to four the number of fringe patterns required. The use of fewer fringe patterns lowers the computation time and the number of phase-step errors. The basis of the technique is outlined in detail, and experimental results are presented as well.

© 1997 Optical Society of America

History
Original Manuscript: April 16, 1997
Revised Manuscript: May 28, 1997
Published: November 1, 1997

Citation
T. W. Ng, "Derivation of retardation phase in computer-aided photoelasticity by using carrier fringe phase shifting," Appl. Opt. 36, 8259-8263 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-31-8259

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