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Proceedings Paper

The weak optical feedback effect of DFB fiber laser and its sensing applications
Author(s): Yanshuang Zhao; Touati Amine; Jianzhong Zhang; G. D. Peng
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Paper 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.

Paper Details

Date Published: 31 January 2012
PDF: 6 pages
Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83511K (31 January 2012); doi: 10.1117/12.915761
Show Author Affiliations
Yanshuang Zhao, Harbin Engineering Univ. (China)
Touati Amine, Harbin Engineering Univ. (China)
Jianzhong Zhang, Harbin Engineering Univ. (China)
G. D. Peng, The Univ. of New South Wales (Australia)


Published in SPIE Proceedings Vol. 8351:
Third Asia Pacific Optical Sensors Conference
John Canning; Gangding Peng, Editor(s)

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