Stability of a distributed feedback fiber laser sensor array with unequal wavelength spacing

Tuan-wei Xu; Fang Li; Yue-feng Wu; Yu-liang Liu

doi:10.1117/12.834576

31 August 2009 Stability of a distributed feedback fiber laser sensor array with unequal wavelength spacing

Tuan-wei Xu, Fang Li, Yue-feng Wu, Yu-liang Liu

Proceedings Volume 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging; 73823P (2009) https://doi.org/10.1117/12.834576
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

A 16 channel distributed feedback fiber laser sensor array is reported. The spacing of neighbor lasers is 100 GHz and 200 GHz in turn. Compared with grating sideband reflection, Rayleigh backscattering from ~24 m long passive fiber is more responsible for the instability, and it's found that increasing the reflection of grating could reduce the sensitivity of DFB FL to Rayleigh backscattering.

Citation Download Citation

Tuan-wei Xu, Fang Li, Yue-feng Wu, and Yu-liang Liu "Stability of a distributed feedback fiber laser sensor array with unequal wavelength spacing", Proc. SPIE 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, 73823P (31 August 2009); https://doi.org/10.1117/12.834576

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