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Optics Letters

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  • Vol. 30, Iss. 10 — May. 15, 2005
  • pp: 1114–1116

Development of a multiwavelength Raman fiber laser based on phase-shifted fiber Bragg gratings for long-distance remote-sensing applications

Young-Geun Han, T. V. A. Tran, Sang-Hyuck Kim, and Sang Bae Lee  »View Author Affiliations


Optics Letters, Vol. 30, Issue 10, pp. 1114-1116 (2005)
http://dx.doi.org/10.1364/OL.30.001114


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Abstract

We propose a simple and flexible multiwavelength Raman fiber laser based on phase-shifted fiber Bragg gratings (FBGs) and a tunable chirped FBG. Using a simple multiwavelength Raman laser configuration with a single phase-shifted FBG and a tunable chirped FBG, we readily achieved simultaneous two-channel sensing probes with a high extinction ratio of more than 50 dB over a 50-km distance. The multiwavelength output was stable and the peak fluctuation was less than 0.5 dB. The temperature and strain sensitivities are estimated to be 10.1 pm/°C and 7.5 pm/µ strain, respectively.

© 2005 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors

Citation
Young-Geun Han, T. V. A. Tran, Sang-Hyuck Kim, and Sang Bae Lee, "Development of a multiwavelength Raman fiber laser based on phase-shifted fiber Bragg gratings for long-distance remote-sensing applications," Opt. Lett. 30, 1114-1116 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-10-1114


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