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Applied Optics

Applied Optics


  • Vol. 37, Iss. 16 — Jun. 1, 1998
  • pp: 3484–3486

Dynamic-strain measurement with dual-grating fiber sensor

Minho Song, Sang Bae Lee, Sang Sam Choi, and Byoungho Lee  »View Author Affiliations

Applied Optics, Vol. 37, Issue 16, pp. 3484-3486 (1998)

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A dual-grating sensor head, which was designed for temperature-insensitive strain measurement, was used to measure fast-varying strain perturbations. Using a Mach-Zehnder interferometer technique, we obtained ∼0.1-με (microstrain) rms resolution with a 200-Hz strain input. The feasibility of measuring a dynamic-strain with a static-strain measuring configuration was also demonstrated.

© 1998 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors

Original Manuscript: January 28, 1998
Published: June 1, 1998

Minho Song, Sang Bae Lee, Sang Sam Choi, and Byoungho Lee, "Dynamic-strain measurement with dual-grating fiber sensor," Appl. Opt. 37, 3484-3486 (1998)

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