Abstract
Distributed strain sensing with a high spatial resolution is demonstrated in optical fibers based on Brillouin optical correlation-domain reflectometry. The Brillouin frequency shifts of 3-cm fiber sections are successfully measured with a spatial resolution of 13 mm and sampling rate of 50 Hz. This spatial resolution is the best result ever reported in Brillouin-based reflectometries.
© 2008 Optical Society of America
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