Narrow linewidth random fiber laser based on weak grating array with a π-phase-shifted FBG

Wentao Zhang,Shuaijie Miao,Wenzhu Huang,Ying Song,Fang Li

Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors) (2019), paper JW3A.5（2019）

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摘要

The π-phase-shifted FBG in proposed random fiber laser significantly inhibited the sub-cavity modes, emitting a narrow lasing of 225 Hz with 58 dB side-mode suppression ratio and providing a new option for high-resolution sensing. © 2019 The Author(s)

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关键词

random fiber laser,weak grating array,phase-shifted

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