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Demonstration of Brillouin Distributed Discrimination of Strain and Temperature Using a Polarization-Maintaining Optical Fiber

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3 Author(s)
Weiwen Zou ; Dept. of Electr. Eng. & Inf. Syst., Univ. of Tokyo, Tokyo, Japan ; Zuyuan He ; Hotate, K.

Distributed discrimination of strain and temperature is demonstrated by localizing both the stimulated Brillouin scattering (SBS) and the dynamic acoustic grating generated in the SBS process in a polarization-maintaining fiber with a correlation-domain continuous-wave technique. A 12- ???? strain resolution and 0.3??C temperature resolution together with a 10-cm spatial resolution are experimentally validated.

Published in:

Photonics Technology Letters, IEEE  (Volume:22 ,  Issue: 8 )