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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 24 — Dec. 15, 1985
  • pp: 4383–4386

Multiple-beam interference fringes applied to GRIN optical waveguides to determine fiber characteristics

N. Barakat, A. A. Hamza, and A. S. Goneid  »View Author Affiliations


Applied Optics, Vol. 24, Issue 24, pp. 4383-4386 (1985)
http://dx.doi.org/10.1364/AO.24.004383


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Abstract

A mathematical expression is derived for the shape of multiple-beam Fizeau fringes crossing a graded-index optical fiber inserted in a silvered liquid wedge. Formulas are obtained for calculating both α and Δn from fringe shifts. A formula is deduced for step-index fiber. Experimental results have been obtained from microinterferograms.

© 1985 Optical Society of America

History
Original Manuscript: July 28, 1985
Published: December 15, 1985

Citation
N. Barakat, A. A. Hamza, and A. S. Goneid, "Multiple-beam interference fringes applied to GRIN optical waveguides to determine fiber characteristics," Appl. Opt. 24, 4383-4386 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-24-4383


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References

  1. M. E. Marhic, P. S. Ho, M. Epstein, “Nondestructive Refractive-Index Profiling Measurement of Clad Optical Fibers,” Appl. Phys. Lett. 26, 574 (1975). [CrossRef]
  2. M. J. Saunders, W. B. Gardner, “Nondestructive Interferometric Measurement of the Delta and Alpha of Clad Optical Fibers,” Appl. Opt. 16, 2368 (1977). [CrossRef] [PubMed]
  3. D. Gloge, E. A. J. Marcatili, “Multimode Theory of Graded-Core Fibers,” Bell Syst. Tech. J. 52, 1563 (1973).
  4. N. Barakat, “Interferometric Studies on Fibers, Part I. Theory of Interferometric Determination on Indices of Fibers,” Text. Res. J. 41, 167 (1971). [CrossRef]

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