Investigation of Raman fiber laser temperature probe based on fiber Bragg gratings for long-distance remote sensing applications.

@article{Lee2004InvestigationOR,
  title={Investigation of Raman fiber laser temperature probe based on fiber Bragg gratings for long-distance remote sensing applications.},
  author={Ju Han Lee and Junhee Kim and Young-Geun Han and Sang-Hyuck Kim and Sang Bae Lee},
  journal={Optics express},
  year={2004},
  volume={12 8},
  pages={1747-52}
}
We demonstrate a practical and simple, all fiber Bragg grating (FBG) based Raman laser sensing probe for long-distance, remote temperature sensing application. Using multiple laser cavities based on FBG's and a tunable chirped FBG, we obtain the simultaneous multi-channel remote temperature sensing operation at a 50 km distance. The temperature sensitivity is measured to be 7.15 pm/ degrees C. 

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