A fully distributed simultaneous strain and temperature sensor using spontaneous Brillouin backscatter

  title={A fully distributed simultaneous strain and temperature sensor using spontaneous Brillouin backscatter},
  author={T. R. Parker and M. Farhadiroushan and V. Handerek and A. J. Roger},
  journal={IEEE Photonics Technology Letters},
We report here the first simultaneous measurement of strain and temperature using Brillouin backscatter in an optical fiber. A new sensor arrangement is presented which allows the distributed measurement of Brillouin spectra. Simultaneous measurement of spontaneous Brillouin power and Brillouin shift distributions are made from these spectra, and from this information, we obtain fully distributed measurements of strain and temperature. Our sensor achieves a 100-/spl mu//spl epsiv/ strain and 4… CONTINUE READING
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