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Optics Letters

Optics Letters


  • Vol. 18, Iss. 1 — Jan. 1, 1993
  • pp: 72–74

Fiber-optic Bragg grating strain sensor with drift-compensated high-resolution interferometric wavelength-shift detection

A. D. Kersey, T. A. Berkoff, and W. W. Morey  »View Author Affiliations

Optics Letters, Vol. 18, Issue 1, pp. 72-74 (1993)

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The operation of a fiber Bragg grating strain sensor system that uses interferometric determination of strain-induced wavelength shifts and incorporates a reference channel to compensate for random thermal-induced drift in the output is described. This system is shown to be capable of resolving sub-μstrain changes in the quasi-static strain applied to a grating and has a resolution of ~6 × 10−3 μ strain / Hz at a strain perturbation frequency of 1 Hz.

© 1993 Optical Society of America

Original Manuscript: July 6, 1992
Published: January 1, 1993

A. D. Kersey, W. W. Morey, and T. A. Berkoff, "Fiber-optic Bragg grating strain sensor with drift-compensated high-resolution interferometric wavelength-shift detection," Opt. Lett. 18, 72-74 (1993)

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  1. G. Meltz, W. W. Morey, W. H. Glenn, Opt. Lett. 14, 823 (1989). [CrossRef] [PubMed]
  2. W. W. Morey, in Proceedings of the Seventh Optical Fiber Sensors Conference, S. Rashleigh, ed. (Institution of Radio and Electronics Engineers of Australia, Sydney, Australia, 1990), p. 285.
  3. W. W. Morey, J. R. Dunphy, G. Meltz, Proc. Soc. Photo-Opt. Instrum. Eng. 1586, 216 (1991).
  4. A. D. Kersey, T. A. Berkoff, W. W. Morey, Electron. Lett. 28, 236 (1992). [CrossRef]
  5. D. A. Jackson, A. D. Kersey, M. Corke, Electron. Lett. 18, 1081 (1982). [CrossRef]

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