Embedded pressure sensor based on birefringent photonic crystal fiber

Yuanhong Yang; Xing Zhang; Wei Jin; Weiqian Duan; Mingwei Yang

doi:10.1117/12.974805

17 October 2012 Embedded pressure sensor based on birefringent photonic crystal fiber

Yuanhong Yang, Xing Zhang, Wei Jin, Weiqian Duan, Mingwei Yang

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 842132 (2012) https://doi.org/10.1117/12.974805
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

An embedded pressure sensor was made by sandwiching a polarization maintaining photonic crystal fiber (PM-PCF) between two polymer foils. The excess birefringence induced by transverse pressure applied along the slow-axis of a PM-PCF was numerically simulated with a finite element method. Experiment was carried out with a Sagnac interferometer with the embedded PM-PCF as part of the Sagnac loop. The output interference fringes were found shift linearly with applied transverse pressure with a wavelength to pressure sensitivity of 1.764 nm/MPa, The measurement precision of 0.2%, and a dynamic range of 2.5 MPa were achieved.

Citation Download Citation

Yuanhong Yang, Xing Zhang, Wei Jin, Weiqian Duan, and Mingwei Yang "Embedded pressure sensor based on birefringent photonic crystal fiber", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842132 (17 October 2012); https://doi.org/10.1117/12.974805

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