Length-division-sensitive birefringent fiber FMCW remote strain sensor

Gang Zheng; Michael Campbell; Peter A. Wallace

doi:10.1117/12.248500

26 August 1996 Length-division-sensitive birefringent fiber FMCW remote strain sensor

Gang Zheng, Michael Campbell, Peter A. Wallace

Proceedings Volume 2783, Micro-Optical Technologies for Measurement, Sensors, and Microsystems; (1996) https://doi.org/10.1117/12.248500
Event: Lasers, Optics, and Vision for Productivity in Manufacturing I, 1996, Besancon, France

Abstract

This paper describes a novel optical fiber remote strain sensor which is based on the FMCW technique and consists of only one single piece of single-mode birefringent fiber. The lead-in and lead-out fibers which are simply separated from the strain sensing fiber by two short twisted fiber portions are insensitive to environmental changes so that the sensor can remotely detect the strain variation of a distant construction. Other advantages of the sensor, such as no fiber junctions, no feedback light, long sensing fiber, higher resolution (4 microstrain) and large dynamic measurement range (5000 microstrain) are demonstrated in this experiment.

Citation Download Citation

Gang Zheng, Michael Campbell, and Peter A. Wallace "Length-division-sensitive birefringent fiber FMCW remote strain sensor", Proc. SPIE 2783, Micro-Optical Technologies for Measurement, Sensors, and Microsystems, (26 August 1996); https://doi.org/10.1117/12.248500

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