对特殊波长掺镱光纤激光器进行了理论和实验研究。根据镱离子的吸收发射特性,对此类激光器中的增益竞争进行了理论分析,指出了抑制寄生振荡的方法。以1018、980、1173nm光纤激光器为例进行了实验研究。分别获得了309、1.05、15.7W的激光输出。 The special wavelength Ytterbium-doped fiber laser is studied theoretically and experimentally. According to the absorption and emission characteristics of ytterbium ions, the gain competition in such lasers is theoretically analyzed, and the method of suppressing parasitic oscillation is proposed. Taking 1018, 980, 1173nm fiber laser as an example, experimental research was carried out. Respectively obtained 309,1.05,15.7W laser output.