Strain sensor using phase measurement techniques in polymer optical fibers

A. Bachmann; M. Luber; H. Poisel; O. Ziemann

doi:10.1117/12.785797

16 May 2008 Strain sensor using phase measurement techniques in polymer optical fibers

A. Bachmann, M. Luber, H. Poisel, O. Ziemann

Author Affiliations +

Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 70041N (2008) https://doi.org/10.1117/12.785797
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia

Abstract

POF elongation sensors have been proposed e.g. by [1] as a low-cost alternative to FBG (single mode fiber Bragg gratings) sensors targeting the lower sensitivity range. A recently recovered detection system known from laser distance meters turned out to be very sensitive while staying simple. The approach is based on measuring the phase shift of a sinusoidally modulated light signal guided in a POF under different tensions resulting in different transit times and thus different phase shifts.

Citation Download Citation

A. Bachmann, M. Luber, H. Poisel, and O. Ziemann "Strain sensor using phase measurement techniques in polymer optical fibers", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70041N (16 May 2008); https://doi.org/10.1117/12.785797

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