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1 November 2007 A novel stable and high-sensitivity fiber strain sensor based on optical pulse correlation measurement
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Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64230N (2007) https://doi.org/10.1117/12.779310
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China
Abstract
A novel stable and high-sensitivity fiber strain sensor based on optical pulse correlation measurement and birefringence compensation approach is proposed. Both the differential correlation measurement and the double-path monitoring established in the birefringence compensation process provide the possibility of high-sensitivity sensing. By using the optical correlation strain sensing system, the strain characteristic of single-mode fiber and dispersion-shifted fiber with different coating materials at different length are investigated. The extension coefficients of the monitoring fibers are estimated. The results indicated that single-mode fiber with FRPE coating has the highest strain sensitivity in this experiment, which is potential to be used in the field measurement in future.
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Hongbin Song and Koji Nonaka "A novel stable and high-sensitivity fiber strain sensor based on optical pulse correlation measurement", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64230N (1 November 2007); https://doi.org/10.1117/12.779310
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