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Proceedings Paper

In-line Fabry-Perot sensors based on hollow-core photonic bandgap fibers for high temperature applications
Author(s): Yun-Jiang Rao; Ming Deng; Tao Zhu; Hong Li
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Paper Abstract

An in-line fiber F-P sensor is formed by splicing a section of hollow-core photonic bandgap fibers in between two single mode fibers. Such a F-P sensor can be used under high temperature of up to 600 °C, and has a low temperature sensitivity of ~1.05nm/°C, while it has a relatively high strain sensitivity of ~5.93nm/με. Moreover, this F-P sensor is insensitive to bend or transverse load. Furthermore, the long cavity length (>1cm) of the sensor makes it suitable for multiplexing. These characteristics would make this F-P sensor to be an excellent strain gauge for use in high temperature environments.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 750321 (5 October 2009); doi: 10.1117/12.835274
Show Author Affiliations
Yun-Jiang Rao, Chongqing Univ. (China)
Univ. of Electronic Science & Technology (China)
Ming Deng, Chongqing Univ. (China)
Tao Zhu, Chongqing Univ. (China)
Univ. of Electronic Science & Technology (China)
Hong Li, Chongqing Univ. (China)


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

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