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Proceedings Paper

Measurement of distributed strain and temperature in a branched optical fiber network by using Brillouin optical time domain reflectometry (OTDR)
Author(s): Kaoru Shimizu; Tsuneo Horiguchi; Yahei Koyamada
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Paper 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.

Paper Details

Date Published: 14 September 1994
PDF: 4 pages
Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); doi: 10.1117/12.185025
Show Author Affiliations
Kaoru Shimizu, NTT Telecommunication Field Systems R&D Ctr. (Japan)
Tsuneo Horiguchi, NTT Telecommunication Field Systems R&D Ctr. (Japan)
Yahei Koyamada, NTT Telecommunication Field Systems R&D Ctr. (Japan)


Published in SPIE Proceedings Vol. 2360:
Tenth International Conference on Optical Fibre Sensors
Brian Culshaw; Julian D. C. Jones, Editor(s)

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