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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 19 — Oct. 1, 1996
  • pp: 1556–1558

Dual-cavity interferometric wavelength-shift detection for in-fiber Bragg grating sensors

Y. J. Rao, D. A. Jackson, L. Zhang, and I. Bennion  »View Author Affiliations


Optics Letters, Vol. 21, Issue 19, pp. 1556-1558 (1996)
http://dx.doi.org/10.1364/OL.21.001556


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Abstract

A dual-cavity interrogation method used to enhance the unambiguous measurement range of in-fiber Bragg grating sensors with high-resolution interferometric wavelength-shift detection is described. This novel technique is based on the use of two sets of fringes obtained with a stepped interferometric wavelength scanner with dual cavity lengths. We demonstrate the concept by interrogating an in-fiber grating temperature sensor with a stepped Michelson wavelength scanner.

© 1996 Optical Society of America

History
Original Manuscript: April 17, 1996
Published: October 1, 1996

Citation
Y. J. Rao, L. Zhang, I. Bennion, and D. A. Jackson, "Dual-cavity interferometric wavelength-shift detection for in-fiber Bragg grating sensors," Opt. Lett. 21, 1556-1558 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-19-1556

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