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Conferences > ACP > 2010 > OS > 799003

Multi-Longitudinal Mode Fiber Laser Sensor Combining the Fiber Bragg Grating Reflector

Shengchun Liu, Liang Gao, Zuowei Yin, Liang Zhang, Xiangfei Chen, and Jianchun Cheng

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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.

© 2010 Optical Society of America

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