Eye-safe 1.5～1.6 μm lasers have important applications in optical fiber communication, medicine, laser-range-finding, lidar, etc. Er^3＋ and Yb^3＋ co-doped crystal pumped by diode laser around 976 nm is an attracti...Eye-safe 1.5～1.6 μm lasers have important applications in optical fiber communication, medicine, laser-range-finding, lidar, etc. Er^3＋ and Yb^3＋ co-doped crystal pumped by diode laser around 976 nm is an attractive method for obtaining 1.5～1.6 μm laser in compact device with high output beam quality. In this paper, the recent research and progress of several important Er^3＋ and Yb^3＋ co-doped laser crystals at 1.5～1.6 μm in authors’ lab are reported.展开更多
报道了基于非临界相位匹配磷酸钛氧铷晶体(RTP)的光参量振荡激光性能研究。采用激光二极管端面抽运Nd:YAP激光晶体,组成内腔式RTP-OPO系统,对比了在不同声光调Q重复频率下的信号光输出特性。在20 k Hz重复频率和13.1 W的抽运入射功率下...报道了基于非临界相位匹配磷酸钛氧铷晶体(RTP)的光参量振荡激光性能研究。采用激光二极管端面抽运Nd:YAP激光晶体,组成内腔式RTP-OPO系统,对比了在不同声光调Q重复频率下的信号光输出特性。在20 k Hz重复频率和13.1 W的抽运入射功率下,获得平均功率1.1 W的1.65μm人眼安全激光的输出,光-光转化效率为8.4%;在重复频率为5 k Hz时,获得了最窄脉4.4 ns,最高单脉冲峰值功率30.8 k W。结果表明,基于RTP晶体的OPO变频是获得1.6μm波段激光的一种有效新途径。展开更多
基金Supported by the National Natural Science Foundation of China (No. 50590405 and 50802094)the Major Programs of the Chinese Academy of Sciences (No. SZD08001-1)+1 种基金the Natural Science Foundation of Fujian Province (No. 2008J0173)the Knowledge Innovation Program of the Chinese Academy of Sciences
文摘Eye-safe 1.5～1.6 μm lasers have important applications in optical fiber communication, medicine, laser-range-finding, lidar, etc. Er^3＋ and Yb^3＋ co-doped crystal pumped by diode laser around 976 nm is an attractive method for obtaining 1.5～1.6 μm laser in compact device with high output beam quality. In this paper, the recent research and progress of several important Er^3＋ and Yb^3＋ co-doped laser crystals at 1.5～1.6 μm in authors’ lab are reported.
文摘报道了基于非临界相位匹配磷酸钛氧铷晶体(RTP)的光参量振荡激光性能研究。采用激光二极管端面抽运Nd:YAP激光晶体,组成内腔式RTP-OPO系统,对比了在不同声光调Q重复频率下的信号光输出特性。在20 k Hz重复频率和13.1 W的抽运入射功率下,获得平均功率1.1 W的1.65μm人眼安全激光的输出,光-光转化效率为8.4%;在重复频率为5 k Hz时,获得了最窄脉4.4 ns,最高单脉冲峰值功率30.8 k W。结果表明,基于RTP晶体的OPO变频是获得1.6μm波段激光的一种有效新途径。
