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Title: Fiber optic pressure sensor based on polarization-maintaining photonic crystal fiber for downhole application
Authors: Fu, HY
Wu, C
Tse, MLV
Zhang, L
Tam, HY 
Guan, BO
Lu, C 
Wai, PKA 
Keywords: Downhole application
High pressure sensor
Polarization-maintaining photonic crystal fiber
Reduced temperature sensitivity
Issue Date: 2009
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2009, v. 7503, 75035V How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
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.
Description: 20th International Conference on Optical Fibre Sensors, Edinburgh, 5-9 October 2009
ISBN: 9780819478146
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.835261
Appears in Collections:Conference Paper

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