光学学报, 2019, 39 (6): 0636001, 网络出版: 2019-06-17
国产25/400 μm掺镱双包层光纤实现2.2 kW窄线宽单模激光输出 下载: 1287次
2.2 kW Narrow-Linewidth Single-Mode Laser Output Using Homemade 25/400 μm Yb-Doped Double Cladding Fiber
光纤激光 增益光纤 热光系数 单模 窄线宽激光器 fiber laser gain fiber thermo-optic coefficient single mode narrow-linewidth lasers
摘要
基于自主研制的均匀掺杂低热光系数25/400 μm掺镱双包层光纤,开展了全光纤高功率窄线宽光纤激光放大实验。激光系统实现了中心波长为1060.3 nm、线宽为25 GHz、最高功率为2.2 kW的单模激光输出,其斜率效率达78%,光束质量因子M 2≈1.2,其功率是目前报道的基于国产25/400 μm掺镱双包层光纤窄线宽放大器单模激光输出的最高功率。
Abstract
Based on the self-developed large mode area Yb-doped double-cladding 25/400 μm active fiber with uniform doping and low thermo-optic coefficient, an all-fiber high-power narrow-linewidth fiber laser amplification experiment was carried out. The laser system achieves a single-mode fiber laser output with a maximum power of 2.2 kW, a linewidth of 25 GHz, and a center wavelength of 1060.3 nm, with a slope efficiency of 78% and a beam quality factor of M2≈1.2. This is the highest output power currently reported for narrow-linewidth single-mode amplifiers based on domestic Yb-doped double-cladding 25/400 μm active fiber, to the best of our knowledge.
李学文, 于春雷, 胡丽丽, 沈辉, 全昭, 李秋瑞, 楼风光, 王孟, 张磊, 漆云凤, 何兵, 周军. 国产25/400 μm掺镱双包层光纤实现2.2 kW窄线宽单模激光输出[J]. 光学学报, 2019, 39(6): 0636001. Xuewen Li, Chunlei Yu, Lili Hu, Hui Shen, Zhao Quan, Qiurui Li, Fengguang Lou, Meng Wang, Lei Zhang, Yunfeng Qi, Bing He, Jun Zhou. 2.2 kW Narrow-Linewidth Single-Mode Laser Output Using Homemade 25/400 μm Yb-Doped Double Cladding Fiber[J]. Acta Optica Sinica, 2019, 39(6): 0636001.