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Conferences > OFS > 1996 > Fr1 > Fr15

Low-Crosstalk Real-Time Monitoring of Optical Path Length in Multiple Fibre Sections using Range-Gated Subcarrier Interferometry

M. Volanthen, H. Geiger, J.P. Volanthen, and J.P. Dakin

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Abstract

A system capable of real-time high-resolution optical-path-length monitoring of multiple sections of optical fibre is described. The low-crosstalk interrogation system relies on range-gated subcarrier interferometry and is operated under computer control. The system is attractive for long-gauge-length structural monitoring.

© 1996 IEICE

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