针对半导体抽运的掺镱光纤激光器功率进一步提升面临的主要问题，分析了级联抽运方案在实现更高功率输出方面的优势和不足。简要回顾了光纤级联抽运技术的发展历程，重点介绍了掺镱光纤激光级联抽运的关键技术、研究现状和最新进展。针对级联抽运面临的抽运吸收和非线性效应问题，分析了下一步的研究方案和技术路线。并对级联抽运技术有望获得的新应用进行了简要介绍。

In view of the principal limiting factors of semiconductor pump fiber laser for power raising, the advantages and disadvantages of tandem pump in the aspect of high power output are analyzed. The development of tandem pump scheme is briefly reviewed. The key techniques, research status and the latest progress of tandem pump Yb-doped fiber laser are presented in detail. In view of the tandem pump absorption and nonlinear effect, the next step research scheme and technical route are analyzed. The new application of tandem pump technology is briefly introduced.