Highly-multiplexed grating-sensors for temperature-referenced quasi-static measurements of strain in concrete bridges

P. J. Henderson

doi:10.1117/12.2302033

1 September 1999 Highly-multiplexed grating-sensors for temperature-referenced quasi-static measurements of strain in concrete bridges

P. J. Henderson

Author Affiliations +

Proceedings Volume 3746, 13th International Conference on Optical Fiber Sensors; 374617 (1999) https://doi.org/10.1117/12.2302033
Event: 13th International Conference on Optical Fiber Sensors, 1999, Kyongju, Korea, Republic of

Abstract

A fibre-optic system for monitoring bridges with multiplexing support for >64 grating-based strain sensors is presented. Differential wavelength-demultiplexing controlled via LabView™ results in a system with 1με resolution, in-built temperature-referencing and readiness for commercial field-trials.

Citation Download Citation

P. J. Henderson "Highly-multiplexed grating-sensors for temperature-referenced quasi-static measurements of strain in concrete bridges", Proc. SPIE 3746, 13th International Conference on Optical Fiber Sensors, 374617 (1 September 1999); https://doi.org/10.1117/12.2302033

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