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Proceedings Paper

Study on self-loading F-P fiber sensor micro-machined with 157-nm excimer laser
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Paper Abstract

Two kinds of self-loading Farby-Perot (F-P) fiber sensors were prepared by creating micro-grooves on side-face of single mode fiber-28 (SMF-28) and photonic crystal fiber (PCF) with 157 nm excimer laser. Self-loading F-P interference fringe shifts were measured under different temperature, stress and alcohol solution. Temperature sensing experiments show that the sensitivity of PCF and SMF F-P sensors are 0.0580nm/°C and 0.0535nm/°C when the temperature ranges from 30 °C to100 °C. The interference fringe shifts of PCF and SMF F-P sensors are 1.6 nm and 2.2 nm when they were loaded with 80 μm elongation along fiber axis, which correspond to stress sensitivity of 1.41pm/με and 1.50pm/με respectively. The interference fringe shifts of the SMF F-P sensor and the all-solid PCF sensor are 0.4775nm and 0.3490nm when the quality percentage of alcohol changes from 0 to 99.99%.

Paper Details

Date Published: 9 November 2010
PDF: 7 pages
Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 78530K (9 November 2010); doi: 10.1117/12.870135
Show Author Affiliations
Kai Gu, Wuhan Univ. of Technology (China)
Jixiang Dai, Wuhan Univ. of Technology (China)
Feng Tu, Yangtze Optical Fibre and Cable Co., Ltd. (China)
Minghong Yang, Wuhan Univ. of Technology (China)

Published in SPIE Proceedings Vol. 7853:
Advanced Sensor Systems and Applications IV
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan; Lin Zhang, Editor(s)

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