Hydrostatic pressure sensitivity of standard polymer fibre Bragg gratings and etched polymer fibre Bragg gratings

Kishore Bhowmik; Ginu Rajan; Eliathamby Ambikairajah; Gang-Ding Peng

doi:10.1117/12.2058658

2 June 2014 Hydrostatic pressure sensitivity of standard polymer fibre Bragg gratings and etched polymer fibre Bragg gratings

Kishore Bhowmik, Ginu Rajan, Eliathamby Ambikairajah, Gang-Ding Peng

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91573G (2014) https://doi.org/10.1117/12.2058658
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

The hydrostatic pressure sensitivity of polymer optical fibre Bragg grating of different diameters is investigated. For this purpose Bragg gratings are inscribed in single-mode polymer fibre and also in etched single-mode polymer fibre. The inherent pressure sensitivity of the grating are experimentally investigated up-to 1MPa by monitoring the change in the reflected peak wavelengths due to pressure. It is observed that polymer FBGs exhibit a positive Bragg wavelength shift and is also more sensitive compared to silica FBGs. The pressure sensitivity of the polymer FBG can be increased by reducing the diameter of the fibre.

Citation Download Citation

Kishore Bhowmik, Ginu Rajan, Eliathamby Ambikairajah, and Gang-Ding Peng "Hydrostatic pressure sensitivity of standard polymer fibre Bragg gratings and etched polymer fibre Bragg gratings", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91573G (2 June 2014); https://doi.org/10.1117/12.2058658

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