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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 13 — May. 1, 1997
  • pp: 2944–2946

Fiber-optic strain-displacement sensor employing nonlinear buckling

Karl F. Voss and Keith H. Wanser  »View Author Affiliations


Applied Optics, Vol. 36, Issue 13, pp. 2944-2946 (1997)
http://dx.doi.org/10.1364/AO.36.002944


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Abstract

A new class of intrinsic fiber-optic strain-displacement sensors based on the precisely controlled nonlinear buckling of optical fibers and the resulting optical bend loss is introduced. A multimode fiber version of the sensor is described that exhibits a sensing range convenient for many structural monitoring applications (<100 nm to several millimeters), linear response over a wide range of displacements, and excellent repeatability. It is extremely simple to fabricate and employs inexpensive optoelectronics. A high-temperature version of the sensor is capable of operation at temperatures as high as 600 °C.

© 1997 Optical Society of America

History
Original Manuscript: October 7, 1996
Published: May 1, 1997

Citation
Karl F. Voss and Keith H. Wanser, "Fiber-optic strain-displacement sensor employing nonlinear buckling," Appl. Opt. 36, 2944-2946 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-13-2944


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References

  1. F. Ansari, ed., Applications of Fiber Optic Sensors in Engineering Mechanics (American Society of Civil Engineers, New York, 1993).
  2. Alan L. Harmer, “Optical strain gauge,” U.S. Patent4,163,397 (7August1979).
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  6. Patents pending; Elastica is a trademark of South Coast Spectrum, Laguna Hills, California.
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  9. K. Lewotsky, “Fiberoptic sensors operate inside Southern California Edison power plant boiler,” Laser Focus World, 31, 9–10 (1995).
  10. K. H. Wanser, K. F. Voss, “Fiber Optic Strain Monitoring Inside a Power Plant Boiler,” in Intelligent Civil Engineering Materials and Structures, F. Ansari, A. Maji, C. Leung, eds. (American Society of Civil Engineers, New York, 1997).

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