Interrogation of interferometric sensors with a tilted fiber Bragg grating

Cesar Jauregui; Antonio Quintela; Adolfo Cobo; Mariangeles Quintela; S. Diaz; Jose Miguel Lopez-Higuera

doi:10.1117/12.566522

9 June 2004 Interrogation of interferometric sensors with a tilted fiber Bragg grating

Cesar Jauregui, Antonio Quintela, Adolfo Cobo, Mariangeles Quintela, S. Diaz, Jose Miguel Lopez-Higuera

Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566522
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain

Abstract

A novel method for interrogating interferometric sensors, based on analyzing the characteristics of the light expelled from a tilted fiber Bragg grating and captured by a photodetector linear array, is presented in the paper. Also a novel algorithm for the recovery of the measured information is proposed and its performance explored. It belongs to the parametric frequency estimation methods and is an adaptation of the MUltiple SIgnal Classification (MUSIC) algorithm. Finally an insight to the possibility of interrogating multiplexed interferometric sensors is given.

Citation Download Citation

Cesar Jauregui, Antonio Quintela, Adolfo Cobo, Mariangeles Quintela, S. Diaz, and Jose Miguel Lopez-Higuera "Interrogation of interferometric sensors with a tilted fiber Bragg grating", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566522

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