双包层光纤激光器的发展及应用前景

摘要

Double-clad fiber laser is new high power fiber laser in the recent. It has the advantages of high conversion efficiency, narrow-l inewidth and tunable, thereby quite receives favor. This paper introdu ced all kinds of double-clad fiber lasers, and its fundamental princip le, and its state of development. The promising future of double-clad fiber laser is also prospected in the paper.%双包层光纤激光器是近来新兴的一种高功率光纤激光器, 它以高效率、窄 线宽和可调谐等优点而倍受人们的青睐．本文介绍了双包层光纤激光器的种类、 工作机理和近期的研究进展, 展望了双包层光纤激光器的发展前景．