Suspended-core Fabry-Perot temperature sensor interrogation through a dual wavelength Raman fiber laser

Ana M. R. Pinto; O. Frazão; J. L. Santos; M. Lopez-Amo; J. Kobelke; K. Schuster

doi:10.1117/12.863540

8 September 2010 Suspended-core Fabry-Perot temperature sensor interrogation through a dual wavelength Raman fiber laser

Ana M. R. Pinto, O. Frazão, J. L. Santos, M. Lopez-Amo, J. Kobelke, K. Schuster

Author Affiliations +

Proceedings Volume 7653, Fourth European Workshop on Optical Fibre Sensors; 765339 (2010) https://doi.org/10.1117/12.863540
Event: (EWOFS'10) Fourth European Workshop on Optical Fibre Sensors, 2010, Porto, Portugal

Abstract

The interrogation of a suspended-core Fabry-Perot interferometric cavity through the illumination of a dual wavelength Raman fiber laser is reported. The proposed scheme is based on the use of a dual wavelength source for the generation of two quadrature phase-shifted signals that allows the recovery of the temperature change. The dual wavelength Raman fiber laser is based on fiber Bragg gratings combined with a virtual mirror. The use of this source allows a passive and accurate interrogation of the temperature variation, while taking advantage of the Rayleigh scattering growth as a virtual mirror in the laser.

Citation Download Citation

Ana M. R. Pinto, O. Frazão, J. L. Santos, M. Lopez-Amo, J. Kobelke, and K. Schuster "Suspended-core Fabry-Perot temperature sensor interrogation through a dual wavelength Raman fiber laser", Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 765339 (8 September 2010); https://doi.org/10.1117/12.863540

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