近期,中国科学院上海光学精密机械研究所空间激光信息技术研究中心冯衍研究员领衔的课题组,在高功率拉曼光纤激光器研究中取得新进展。提出了一种镱-拉曼集成的光纤放大器结构,有效地解决了拉曼光纤激光器功率提升的主要技术瓶颈问题,在1120nm波长,首次获得580W的单横模线偏振拉曼光纤激光和1.3kW的近单模拉曼光纤激光输出。近年来,高功率光纤激光器发展迅速。1μm波段的掺镱光纤激光器,近衍射极限输出功率可达20kW,多横 Recently, the research group led by Prof. Feng Yan of Space Laser Information Technology Research Center of Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences made new progress in the research of high power Raman fiber lasers. An optical fiber amplifier with ytterbium-Raman integration is proposed, which effectively solves the main technical bottleneck problem of power Raman fiber lasers. At the wavelength of 1120nm, 580W single-mode linear Raman fiber laser and 1.3kW Near-single-mode Raman fiber laser output. In recent years, high-power fiber lasers have developed rapidly. 1μm band Ytterbium-doped fiber laser, nearly diffraction limit output power up to 20kW, horizontal