【摘要】 以自启动被动锁模掺镱光纤堆积脉冲激光器为种子源,采用非共线相位匹配的方法,进行了光参量啁啾脉冲放大器的实验研究,得到了两级放大总增益为1.1×107,单脉冲能量为11mJ,能量稳定性小于2%rms,8nm的放大谱宽.实验结果表明,采用这种结构的光参量啁啾脉冲放大器,放大增益高,系统稳定、结构紧凑、便于调节,同时通过调节种子源中的堆积器,可以得到不同宽度的放大信号脉冲.更多还原

【Abstract】 A compact,low cost,stable noncollinear optical parametric chirped pulse amplification system is studied,which is seeded by an Yb3+-doped self-starting passive mode-locked stacking pulse fiber laser centered at 1 053 nm.A gain higher than 1.1×107,single pulse energy exceeding 11 mJ with fluctuations less than 2% rms,8 nm amplified signal spectrum are achieved.Different pulse durations of amplified signal are obtained by adjusting the stacker of the Yb3+-doped self-starting passive mode-locked stacking pulse fiber laser.更多还原