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  • Vol. 20, Iss. 3 — Feb. 1, 1995
  • pp: 333–335

Simultaneous strain and temperature sensing with photogenerated in-fiber gratings

Sotiris E. Kanellopoulos, Vincent A. Handerek, and Alan J. Rogers  »View Author Affiliations


Optics Letters, Vol. 20, Issue 3, pp. 333-335 (1995)
http://dx.doi.org/10.1364/OL.20.000333


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Abstract

A new technique for simultaneous strain and temperature sensing is demonstrated. The approach employs two different types of photogenerated fiber grating, namely, a fiber Bragg grating and a fiber polarization-rocking filter. The method relies on the different dependencies of the fiber refractive index and birefringence on strain and temperature. Both of these measurands can be determined from the effect that they have on the resonant wavelength of each grating. The information is provided in the frequency domain, avoiding the problem of limited unambiguous signal range associated with the use of competing optical fiber interferometers.

© 1995 Optical Society of America

History
Original Manuscript: July 21, 1994
Published: February 1, 1995

Citation
Sotiris E. Kanellopoulos, Vincent A. Handerek, and Alan J. Rogers, "Simultaneous strain and temperature sensing with photogenerated in-fiber gratings," Opt. Lett. 20, 333-335 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-3-333


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