受激拉曼散射是大功率光纤激光器性能提升的主要限制之一.采用数值方法深入分析了大功率光纤激光器中的拉曼效应,结果表明,增大信号波长和减小腔镜反射率能有效地减小受激拉曼散射的影响;深入探讨了不同泵浦方式下激光器的拉曼特性,为选取合适的泵浦方式提供了理论依据;首次研究了空间多点泵浦情况下大功率光纤激光器中的拉曼效应,对空间多点泵浦模型中如何优化泵浦方式、合理设置泵浦点功率具有指导意义.
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