Measurement of distributed strain and temperature in a branched optical fiber network by using Brillouin optical time domain reflectometry (OTDR)

Kaoru Shimizu; Tsuneo Horiguchi; Yahei Koyamada

doi:10.1117/12.185025

14 September 1994 Measurement of distributed strain and temperature in a branched optical fiber network by using Brillouin optical time domain reflectometry (OTDR)

Kaoru Shimizu, Tsuneo Horiguchi, Yahei Koyamada

Author Affiliations +

Proceedings Volume 2360, Tenth International Conference on Optical Fibre Sensors; (1994) https://doi.org/10.1117/12.185025
Event: 10th Optical Fibre Sensors Conference, 1994, Glasgow, United Kingdom

Abstract

A new scheme is proposed for sensing distributed strain and temperature in optical fibers. This scheme uses Brillouin scattering as the sensing mechanism and a branched optical fiber network as the sensing fibers. Brillouin optical time domain reflectometry (OTDR) makes it possible to distinguish Brillouin scattered lightwaves from different optical fiber branches in the network when different Brillouin frequency shifts are assigned to each branch.

Citation Download Citation

Kaoru Shimizu, Tsuneo Horiguchi, and Yahei Koyamada "Measurement of distributed strain and temperature in a branched optical fiber network by using Brillouin optical time domain reflectometry (OTDR)", Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); https://doi.org/10.1117/12.185025

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