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Proceedings Paper

Simultaneous measurement of strain and temperature by means of polarization division multiplexing optical frequency domain reflectometry
Author(s): Koji Omichi; Yoshihiro Terada; Akira Sakamoto; Shunichiro Hirafune; Daichi Wada; Hideaki Murayama; Hirotaka Igawa
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Paper 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.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75036C (5 October 2009); doi: 10.1117/12.834233
Show Author Affiliations
Koji Omichi, Fujikura Ltd. (Japan)
Yoshihiro Terada, Fujikura Ltd. (Japan)
Akira Sakamoto, Fujikura Ltd. (Japan)
Shunichiro Hirafune, Fujikura Ltd. (Japan)
Daichi Wada, The Univ. of Tokyo (Japan)
Hideaki Murayama, The Univ. of Tokyo (Japan)
Hirotaka Igawa, Japan Aerospace Exploration Agency (Japan)


Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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