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Proceedings Paper

Multi-longitudinal mode fiber laser sensor combining the fiber Bragg grating reflector
Author(s): Shengchun Liu; Liang Gao; Zuowei Yin; Liang Zhang; Xiangfei Chen; Jianchun Cheng
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Paper Abstract

A multi-longitudinal-mode fiber laser sensor is proposed and experimentally demonstrated base on beat frequency demodulation method. A novel laser cavity is formed by a FBG, a section of erbium-doped fiber and a broadband reflector. The proposed laser sensor has ultra-stable frequency information due to self-phase matching of FBG, and high signal to noise ratio.

Paper Details

Date Published: 3 January 2011
PDF: 6 pages
Proc. SPIE 7990, Optical Sensors and Biophotonics II, 799003 (3 January 2011); doi: 10.1117/12.888679
Show Author Affiliations
Shengchun Liu, Nanjing Univ. (China)
Heilongjiang Univ. (China)
Liang Gao, Nanjing Univ. (China)
Zuowei Yin, Nanjing Univ. (China)
Liang Zhang, Nanjing Univ. (China)
Xiangfei Chen, Nanjing Univ. (China)
Jianchun Cheng, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 7990:
Optical Sensors and Biophotonics II
Qingming Luo; Frank Chuang; Stefan Haacke; Chih-Chung Yang, Editor(s)

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