The weak optical feedback effect of DFB fiber laser and its sensing applications

Yanshuang Zhao; Touati Amine; Jianzhong Zhang; G. D. Peng

doi:10.1117/12.915761

30 January 2012 The weak optical feedback effect of DFB fiber laser and its sensing applications

Yanshuang Zhao, Touati Amine, Jianzhong Zhang, G. D. Peng

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83511K (2012) https://doi.org/10.1117/12.915761
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

Abstract

We present the transfer matrix based analysis of the distributed feedback (DFB) fiber laser with an extra weak optical feedback introduced by a fiber end facet directly. The lasing frequency and output power could be modulated by the modulation of the weak feedback parameters, including the phase and intensity of the feedback light. A corresponding simple intensity based DFB fiber laser vibrometer is proposed according to the analysis and the experimental results are given to prove it feasibility. With the advantages of simple and compact structure, the sensing scheme is expected to have broad applications.

Citation Download Citation

Yanshuang Zhao, Touati Amine, Jianzhong Zhang, and G. D. Peng "The weak optical feedback effect of DFB fiber laser and its sensing applications", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83511K (30 January 2012); https://doi.org/10.1117/12.915761

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