Simultaneous measurement of strain and temperature by means of polarization division multiplexing optical frequency domain reflectometry

Koji Omichi; Yoshihiro Terada; Akira Sakamoto; Shunichiro Hirafune; Daichi Wada; Hideaki Murayama; Hirotaka Igawa

doi:10.1117/12.834233

5 October 2009 Simultaneous measurement of strain and temperature by means of polarization division multiplexing optical frequency domain reflectometry

Koji Omichi, Yoshihiro Terada, Akira Sakamoto, Shunichiro Hirafune, Daichi Wada, Hideaki Murayama, Hirotaka Igawa

Author Affiliations +

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75036C (2009) https://doi.org/10.1117/12.834233
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

Simultaneous measurement of strain and temperature by means of the polarization division multiplexing optical frequency domain reflectometry was demonstrated. In the measurement, a high birefringence PANDA type polarization maintaining fiber was used for a fiber Bragg grating portion. It was confirmed that Bragg reflection wavelengths corresponding to slow and fast axes have different dependence on strain and temperature. High accuracy simultaneous measurement of strain and temperature within errors ±20 με and ±2 °C was achieved for any strain and temperature conditions used in this study.

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Koji Omichi, Yoshihiro Terada, Akira Sakamoto, Shunichiro Hirafune, Daichi Wada, Hideaki Murayama, and Hirotaka Igawa "Simultaneous measurement of strain and temperature by means of polarization division multiplexing optical frequency domain reflectometry", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75036C (5 October 2009); https://doi.org/10.1117/12.834233

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