基于光纤被动调Q的1570nm纳秒脉冲铒镱双掺全光纤双腔激光器  

1570 nm Nanosecond Pulse Generation from Er/Yb Co-Doped AllFiber Dual-Cavity Laser with Fiber-Based Passive Q-Switched

作　　者：金东臣 孙若愚[1] 魏守宇 任军[1] 刘江[1] 王潜[1] 王璞[1] 

机构地区：[1]北京工业大学激光工程研究院北京市激光应用技术工程技术研究中心,北京100124

出　　处：《中国激光》2015年第10期32-37,共6页Chinese Journal of Lasers

基　　金：国家自然科学基金重点项目(61235010);国家自然科学基金面上项目(61177048);国家自然科学基金青年项目(61307054);北京市科学技术委员会项目(Z131100003213010)

摘　　要：报道了一种基于光纤被动调Q的纳秒脉冲铒镱双掺全光纤激光器,该激光器采用线型双腔结构,利用单模双包层铒镱双掺光纤的可饱和吸收特性,同时结合谐振腔间的相互作用,获得高效、稳定的纳秒脉冲输出。最终能够实现平均功率为2.2 W、最窄脉宽为173 ns的1570 nm激光输出,脉冲重复频率在14~156 k Hz范围内可调。A nanosecond Er/Yb co-doped all-fiber dual-cavity laser with fiber-based passive Q-switch is reported.The laser oscillator is constructed in a linear dual-cavity, and can achieve the efficient, stable nanosecond operation based on the saturable absorber of the single- mode double- cladding Er/Yb co- doped fiber and the crossmodulation of the dual-cavity. The maximum output power is 2.2 W, and the minimum pulse duration is 173 ns with the central wavelength of 1570 nm. Meanwhile, sequential nanosecond pulses can be obtained at the repetition rate of 14~156 k Hz.

关 键 词：激光器 光纤激光器 光纤光栅 纳秒脉冲 被动调Q 

分 类 号：TN248[电子电信—物理电子学]