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Proceedings Paper

High temperature sensitivity fiber sensor based on M-Z interferometer fabricated by suspended dual-core hollow fiber
Author(s): Hongyi Zeng; Tao Geng; Wenlei Yang; Maowei An; Fan Yang
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Paper Abstract

We successfully fabricate and demonstrate a type of in-line M-Z interferometer by using single mode fiber and suspended dual-core hollow fiber. We fuse one section of dual-core hollow fiber (about 5-10cm length used as interferometer arms) with two part of single mode fiber by arc discharging on their cross sections. After this new M-Z interferometer’s fabrication and related experiments, we improved it by absorbing drops of alcohol in its dual-core hollow body which can do much of contributions to its sensitivity. With bunches of temperature experiments conducted, we find this new interferometer has a good temperature sensitivity highly as 1.751nm/°C (from 20 to 100 °C) and interferometer with alcohol inside has a better temperature sensitivity highly as 3.015nm/ °C (from 20 to 60 °C) respectively.

Paper Details

Date Published: 8 October 2015
PDF: 6 pages
Proc. SPIE 9679, AOPC 2015: Optical Fiber Sensors and Applications, 96790W (8 October 2015); doi: 10.1117/12.2199811
Show Author Affiliations
Hongyi Zeng, Harbin Engineering Univ. (China)
Tao Geng, Harbin Engineering Univ. (China)
Wenlei Yang, Harbin Engineering Univ. (China)
Maowei An, Harbin Engineering Univ. (China)
Fan Yang, Harbin Engineering Univ. (China)


Published in SPIE Proceedings Vol. 9679:
AOPC 2015: Optical Fiber Sensors and Applications
Yanbiao Liao; Weixu Zhang; Desheng Jiang; Wei Wang; Gilberto Brambilla, Editor(s)

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