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Optics Letters

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  • Vol. 28, Iss. 16 — Aug. 15, 2003
  • pp: 1418–1420

Effect of the finite extinction ratio of an electro-optic modulator on the performance of distributed probe-pump Brillouin sensorsystems

Shahraam Afshar V., Graham A. Ferrier, Xiaoyi Bao, and Liang Chen  »View Author Affiliations


Optics Letters, Vol. 28, Issue 16, pp. 1418-1420 (2003)
http://dx.doi.org/10.1364/OL.28.001418


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Abstract

The effect of the finite extinction ratio of an electro-optic modulator (EOM) on the Brillouin frequency measurement of a distributed Brillouin-based fiber optic sensor is studied. An EOM with a finite extinction ratio limits the application of Brillouin optical time domain analysis in a distributed Brillouin-based fiber optic sensor. This results in confusion in specifying the location of the strained region and in error in detecting the Brillouin frequency and hence in strain and temperature measurement.

© 2003 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(290.5830) Scattering : Scattering, Brillouin

Citation
Shahraam Afshar V., Graham A. Ferrier, Xiaoyi Bao, and Liang Chen, "Effect of the finite extinction ratio of an electro-optic modulator on the performance of distributed probe-pump Brillouin sensorsystems," Opt. Lett. 28, 1418-1420 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-16-1418


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References

  1. X. Bao, D. J. Webb, and D. A. Jackson, Opt. Lett. 18, 1561 (1993).
  2. T. Kurashima, T. Horiguchi, and M. Tateda, Appl. Opt. 29, 2219 (1990).
  3. S. Afshar V., G. A. Ferrier, X. Bao, and L. Chen, “Brillouin spectral characterization of probe–pump distributed fiber optic sensors in the transient regime,” submitted to J. Lightwave Technol., ()
  4. S. Afshaarvahid, V. Devrelis, and J. Munch, Phys. Rev. A 57, 3961 (1998).
  5. G. P. Agrawal, Nonlinear Fiber Optics (Academic, San Diego, Calif., 1995).
  6. G. A. Ferrier, S. Afshar V., X. Bao, and L. Chen, “New spectral fitting method for distributed Brillouin sensing in the transient regime,” submitted to J. Lightwave Technol., ()

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