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Proceedings Paper

Fiber optic pressure sensor based on polarization-maintaining photonic crystal fiber for downhole application
Author(s): H. Y. Fu; Chuang Wu; M. L. V. Tse; Lin Zhang; H. Y. Tam; Bai-Ou Guan; C. Lu; P. K. A. Wai
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Paper 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.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75035V (5 October 2009); doi: 10.1117/12.835261
Show Author Affiliations
H. Y. Fu, The Hong Kong Polytechnic Univ. (Hong Kong, China)
Chuang Wu, Dalian Univ. of Technology (China)
M. L. V. Tse, The Hong Kong Polytechnic Univ. (Hong Kong, China)
Lin Zhang, Dalian Univ. of Technology (China)
H. Y. Tam, The Hong Kong Polytechnic Univ. (Hong Kong, China)
Bai-Ou Guan, Dalian Univ. of Technology (China)
C. Lu, The Hong Kong Polytechnic Univ. (Hong Kong, China)
P. K. A. Wai, The Hong Kong Polytechnic Univ. (Hong Kong, China)


Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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