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.
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Zou et al. (2010) studied this question.
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