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Polarimetric DBR fiber laser sensor for strain-temperature discrimination

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.

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Authorship: Rodriguez-Cobo L., Quintela M., Laarossi I., Lopez-Higuera J.,

Congress: International Conference on Optical Fibre Sensors: OFS (23ª : 2014 : Santander)

Publisher: SPIE Society of Photo-Optical Instrumentation Engineers

Year of publication: 2014

No. of pages: 4

Publication type: Conference object

DOI: 10.1117/12.2059551

ISSN: 0277-786X,1996-756X

Spanish project: TEC2010-20224-C02-02

Publication Url: https://doi.org/10.1117/12.2059551

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Authorship

LUIS RODRIGUEZ COBO

MARIA ANGELES QUINTELA INCERA

ISMAIL LAAROSSI

JOSE MIGUEL LOPEZ HIGUERA

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