Birefringent fiber remote strain sensor with FMCW interferometry

Michael Campbell; Gang Zheng; Peter A. Wallace

doi:10.1117/12.248516

21 August 1996 Birefringent fiber remote strain sensor with FMCW interferometry

Michael Campbell, Gang Zheng, Peter A. Wallace

Proceedings Volume 2784, Vision Systems: Sensors, Sensor Systems, and Components; (1996) https://doi.org/10.1117/12.248516
Event: Lasers, Optics, and Vision for Productivity in Manufacturing I, 1996, Besancon, France

Abstract

We report a birefringent fiber remote strain sensor which is based on the FMCW technique and simply consists of two pieces of elliptical-core single-mode birefringent fiber. The first piece of fiber is used as the lead-in/lead-out fiber which is insensitive to environment, and the second one is used as a strain sensing fiber probe which is sensitive to the strain of itself with 2 microstrain resolution. The advantages of the sensor, such as large dynamic measurement range, long environment-insensitive leading-in/lead-out fiber and long strain sensing probe ar demonstrated in this experiment.

Citation Download Citation

Michael Campbell, Gang Zheng, and Peter A. Wallace "Birefringent fiber remote strain sensor with FMCW interferometry", Proc. SPIE 2784, Vision Systems: Sensors, Sensor Systems, and Components, (21 August 1996); https://doi.org/10.1117/12.248516

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