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Optics Letters

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  • Vol. 28, Iss. 18 — Sep. 15, 2003
  • pp: 1648–1650

Spectrally scanned, repetitively pulsed erbium-doped fiber laser for spectral and temporal multiplexing of fiber Bragg grating sensors

Xiaoke Wan and Henry F. Taylor  »View Author Affiliations


Optics Letters, Vol. 28, Issue 18, pp. 1648-1650 (2003)
http://dx.doi.org/10.1364/OL.28.001648


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Abstract

An erbium-doped fiber laser that emits a series of spectrally scanned pulses is used to monitor an array of fiber Bragg grating (FBG) sensors. The cavity for this Fabry–Perot laser is formed by two spectrally selective reflectors: a rotating mirror–grating combination for scanning the reflectance peak wavelength and a fiber Fabry–Perot interferometer (FFPI) with a periodic reflectance spectrum. During a scan of the rotating mirror, the laser produces a set of <i>Q</i> -switched pulses over the 1522–1568-nm spectral range at each of the FFPI reflectance peak wavelengths. This laser is used to simultaneously demonstrate wavelength-division multiplexing of FBGs with reflectance peaks in different spectral regimes and time-division multiplexing of FBGs with overlapping spectra. The spectral location of the FBG peaks was determined to an accuracy of 1.4 pm.

© 2003 Optical Society of America

OCIS Codes
(120.2440) Instrumentation, measurement, and metrology : Filters
(230.5750) Optical devices : Resonators

Citation
Xiaoke Wan and Henry F. Taylor, "Spectrally scanned, repetitively pulsed erbium-doped fiber laser for spectral and temporal multiplexing of fiber Bragg grating sensors," Opt. Lett. 28, 1648-1650 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-18-1648


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References

  1. Y. J. Rao, A. B. Lobo Ribeiro, D. A. Jackson, L. Zhang, and I. Bennion, Opt. Commun. 125, 53 (1996).
  2. A. D. Kersey, T. A. Berkoff, and W. W. Morey, Opt. Lett. 18, 1370 (1993).
  3. S. H. Yun, D. J. Richardson, and B. Y. Kim, Opt. Lett. 23, 843 (1998).
  4. X. Wan and H. F. Taylor, IEEE Photon Technol. Lett. 15, 188 (2003).
  5. X. Wan and H. F. Taylor, Opt. Lett. 27, 1388 (2002).

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