Sagnac birefringent fiber strain sensor with FMCW technique

Gang Zheng; Michael Campbell; Peter A. Wallace

doi:10.1117/12.248517

21 August 1996 Sagnac birefringent fiber strain sensor with FMCW technique

Gang Zheng, Michael Campbell, Peter A. Wallace

Proceedings Volume 2784, Vision Systems: Sensors, Sensor Systems, and Components; (1996) https://doi.org/10.1117/12.248517
Event: Lasers, Optics, and Vision for Productivity in Manufacturing I, 1996, Besancon, France

Abstract

This paper describes a new Sagnac heterodyne interferometric birefringent fiber strain sensor which is based on the frequency modulation continuous wave technique and consists of a single 100 meter birefringent fiber ring. The strain variation of the fiber ring can be measured with 4 microstrain resolution and 5000 microstrain dynamic measurement range. Other advantages of the sensor, such as, simple configuration, simple signal processing and long sensing fiber are demonstrated in this experiment.

Citation Download Citation

Gang Zheng, Michael Campbell, and Peter A. Wallace "Sagnac birefringent fiber strain sensor with FMCW technique", Proc. SPIE 2784, Vision Systems: Sensors, Sensor Systems, and Components, (21 August 1996); https://doi.org/10.1117/12.248517

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