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Distributed fiber Brillouin strain sensing with 1-cm spatial resolution by correlation-based continuous-wave technique

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2 Author(s)
Hotate, K. ; Tokyo Univ., Japan ; Tanaka, M.

This letter describes improvement in the spatial resolution of distributed fiber Brillouin strain sensing by the correlation-based continuous-wave technique, which we proposed previously. The spatial resolution of 1 cm has been achieved for a partly stretched fiber. This result shows the technique is applicable to smart structures or materials as a nervous system to monitor strain distribution.

Published in:

Photonics Technology Letters, IEEE  (Volume:14 ,  Issue: 2 )