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24 October 2017Progress on single-frequency fiber lasers for sensing technology
Single-frequency fiber lasers have been attracting extensive interest for the applications on fiber sensing over the past few years, because the high signal-to-noise ratio and narrow-linewidth facilitate the realization of long-distance and high-resolution sensing. In this paper, we reviewed the research progress on single-frequency fiber lasers for fiber sensing applications. Performance improvement in laser noise and linewidth has been addressed with the newly developed physical mechanisms.