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Optics Letters

Optics Letters


  • Vol. 18, Iss. 1 — Jan. 1, 1993
  • pp: 78–80

White-light interferometric multimode fiber-optic strain sensor

Claude Belleville and Gaétan Duplain  »View Author Affiliations

Optics Letters, Vol. 18, Issue 1, pp. 78-80 (1993)

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A white-light interferometric extrinsic Fabry–Perot strain sensor that uses a multimode fiber is demonstrated. The Fabry–Perot cavity length is measured with the help of a Fizeau interferometer. The sensor is described, and some results obtained at this time are given. The strain measurements are absolute and perfectly linear, with a sensitivity of 0.25 micrometers per meter (μ). The design of a thermally autocompensated strain sensor is also presented.

© 1993 Optical Society of America

Original Manuscript: September 10, 1992
Published: January 1, 1993

Claude Belleville and Gaétan Duplain, "White-light interferometric multimode fiber-optic strain sensor," Opt. Lett. 18, 78-80 (1993)

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