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5 October 2009 Fiber optic pressure sensor based on polarization-maintaining photonic crystal fiber for downhole application
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Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75035V (2009) https://doi.org/10.1117/12.835261
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom
Abstract
We experimentally demonstrate a high pressure sensor based on a polarization-maintaining photonic crystal fiber (PMPCF) with Sagnac loop configuration for downhole application. The pressure sensitivity of the proposed sensor is 4.21 nm/MPa and 3.27 nm/MPa at ~1320 nm and ~1550 nm respectively. High pressure measurement up to 20 MPa has been achieved in our experiment. The sensor also shows reduced temperature sensitivity, making it an ideal candidate for pressure sensing in harsh environment.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
H. Y. Fu, Chuang Wu, M. L. V. Tse, Lin Zhang, H. Y. Tam, Bai-Ou Guan, C. Lu, and P. K. A. Wai "Fiber optic pressure sensor based on polarization-maintaining photonic crystal fiber for downhole application", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75035V (5 October 2009); https://doi.org/10.1117/12.835261
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