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Proceedings Paper

Suspended-core Fabry-Perot temperature sensor interrogation through a dual wavelength Raman fiber laser
Author(s): Ana M. R. Pinto; O. Frazão; J. L. Santos; M. Lopez-Amo; J. Kobelke; K. Schuster
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Paper 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.

Paper Details

Date Published: 8 September 2010
PDF: 4 pages
Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 765339 (8 September 2010); doi: 10.1117/12.863540
Show Author Affiliations
Ana M. R. Pinto, Univ. Pública de Navarra (Spain)
O. Frazão, INESC Porto (Portugal)
J. L. Santos, INESC Porto (Portugal)
Univ. do Porto (Portugal)
M. Lopez-Amo, Univ. Pública de Navarra (Spain)
J. Kobelke, IPHT Jena (Germany)
K. Schuster, IPHT Jena (Germany)


Published in SPIE Proceedings Vol. 7653:
Fourth European Workshop on Optical Fibre Sensors
José Luís Santos; Brian Culshaw; José Miguel López-Higuera; William N. MacPherson, Editor(s)

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