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Proceedings Paper

Fabry-Perot cavity based on sapphire-derived fiber for high temperature sensor
Author(s): Pengfei Chen; Fufei Pang; Ziwen Zhao; Lin Hong; Na Chen; Zhenyi Chen; Tingyun Wang
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Paper Abstract

An optical fiber high temperature sensor is demonstrated by using a special sapphire-derived fiber. An air cavity is easily created through splicing the sapphire-derived fiber with standard single mode fiber (SMF). Utilizing the air cavity as one reflecting face, a Fabry-Perot (F-P) interferometer is fabricated in the special fiber. Attributed to the high ratio alumina component, the F-P interferometer exhibits high sensitivity response to temperature variation within the range up to 1000 °C. The sensitivity is 15.7 pm/°C.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96347T (28 September 2015); doi: 10.1117/12.2194528
Show Author Affiliations
Pengfei Chen, Shanghai Univ. (China)
Fufei Pang, Shanghai Univ. (China)
Ziwen Zhao, Shanghai Univ. (China)
Lin Hong, Shanghai Univ. (China)
Na Chen, Shanghai Univ. (China)
Zhenyi Chen, Shanghai Univ. (China)
Tingyun Wang, Shanghai Univ. (China)


Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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