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Proceedings Paper

Polarimetric DBR fiber laser sensor for strain-temperature discrimination
Author(s): L. Rodriguez-Cobo; M. A. Quintela; I. Laarossi; J. M. Lopez-Higuera
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Paper Abstract

A polarimetric Distributed Bragg Reflector (DBR) laser sensor in a low birefringent Er-doped fiber has been proposed. The spectral overlap of two uniform fiber Bragg gratings (FBG) has been employed as filtering technique to achieve a Single Longitudinal Mode (SLM) regime. By measuring the RF beat frequency between the two orthogonal polarized lasing modes and the absolute wavelength of one mode, both strain and temperature has been determined simultaneously.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91572B (2 June 2014); doi: 10.1117/12.2059551
Show Author Affiliations
L. Rodriguez-Cobo, Univ. de Cantabria (Spain)
M. A. Quintela, Univ. de Cantabria (Spain)
I. Laarossi, Univ. de Cantabria (Spain)
J. M. Lopez-Higuera, Univ. de Cantabria (Spain)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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