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Distributed fiber-optic stress sensor by synthesis of the optical coherence function

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2 Author(s)
Saida, T. ; Res. Center for Adv. Sci. & Technol., Tokyo Univ., Japan ; Hotate, K.

A distributed fiber-optic stress sensor by synthesis of the optical coherence function is proposed. This system can obtain polarization coupling distribution in a polarization maintaining fiber due to lateral stress, using neither mechanical moving parts nor further calculations. In experiments, the spatial resolution of about 9 m and the measurable range of about 1040 m are demonstrated.

Published in:

Photonics Technology Letters, IEEE  (Volume:9 ,  Issue: 4 )