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Applied Optics

Applied Optics


  • Vol. 37, Iss. 16 — Jun. 1, 1998
  • pp: 3417–3425

Stress optical fiber sensor using light coupling between two laterally fused multimode optical fibers

Rachid Gafsi, Pierre Lecoy, and Abdelrafik Malki  »View Author Affiliations

Applied Optics, Vol. 37, Issue 16, pp. 3417-3425 (1998)

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A stress optical fiber sensor was manufactured and tested. It uses light coupling between two parallel and laterally fused, all-silica multimode optical fibers along a cladding length of a few centimeters. This sensor is dedicated to the measurement of high values of stress. A theoretical model was developed using the mode coupling and the perturbation theory to calculate the global coupling coefficient of light. A serial optical fiber sensor network interrogated by the time-division multiplexing method was realized and tested. The major applications of this sensor are control and monitoring of civil engineering structures and concretes.

© 1998 Optical Society of America

OCIS Codes
(030.4070) Coherence and statistical optics : Modes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(130.6010) Integrated optics : Sensors

Original Manuscript: October 8, 1997
Revised Manuscript: February 20, 1998
Published: June 1, 1998

Rachid Gafsi, Pierre Lecoy, and Abdelrafik Malki, "Stress optical fiber sensor using light coupling between two laterally fused multimode optical fibers," Appl. Opt. 37, 3417-3425 (1998)

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