93 fs pulses at watt-level powers from a diode pumped Yb:CaGdAlO4 laser

93 fs pulses at watt-level powers from a diode pumped Yb:CaGdAlO4 laser
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来自二极管泵浦 Yb:CaGdAlO4 激光器的 93 fs 瓦特级功率脉冲

DOI:
10.1016/j.optlastec.2019.106020
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发表时间:
2020-05
影响因子:
5
通讯作者:
Yuchen Li
Yuchen Li
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Xianghao Meng;Cbong Lv;Baozhen Zhao;Xiaofeng Xi;Qiushi Liu;Xiaohua Zhang;Yuchen Li

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研究了二极管泵浦锁模Yb:CGA激光器在净正常色散区和净异常色散区工作的性能。当泵浦功率为26 W时,可获得平均功率为4.5 W的稳定飞秒激光脉冲,泵浦功率斜率效率为17%。该激光器工作频率为80.5 MHz,脉冲持续时间短至93 fs,平均输出功率为4.5 W,脉冲能量为56 nJ,峰值功率为0.59 MW。在高光束质量下,振荡器在5小时内的无源均势功率稳定性为0.38%。
We investigated the performance of diode pumped mode-locked Yb:CGA laser operating in the net normal or net anomalous dispersion region. With 26 W pump power, stable femtosecond laser pulses with average power of 4.5 W are obtained, yielding a pump power slope efficiency of 17%. Operating at 80.5 MHz repetition rate, the laser delivers as short as 93 fs pulse duration with average output power of 4.5 W, corresponding to a pulse energy of 56 nJ and a peak power of 0.59 MW. The oscillator exhibits a passive rms power stability of ∼0.38% rms over 5 h in high beam quality.
DOI: 10.1364/ol.34.000593
发表时间: 2009-03-01
期刊: Optics letters
影响因子: 3.6
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