本文对连续波半导体激光器端面抽运的Fabry-Perot腔掺Yb3+双包层光纤激光器的自脉动输出行为进行了研究.发现低Q值腔光纤激光器具有两种形式的自脉动输出,一种是饱和吸收被动调Q产生的自脉冲,另一种是与光纤中的受激Raman散射(SRS)效应相对应的阵发性巨脉冲.通过提高光纤激光器谐振腔的Q值并选择合适的抽运功率,可以有效地减小输出功率的自脉动,获得稳定的连续波激光输出.
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