饱和吸收
激光器
材料科学
脉搏(音乐)
功率(物理)
脉冲宽度调制
Q开关
带隙
光学
红外线的
重复(修辞手法)
吸收(声学)
物理
光电子学
光纤激光器
量子力学
探测器
哲学
语言学
作者
Tinglun Xing,Xiaoyu Wang,Zhenni Ou,Junjie Guo,Dunlu Sun,Huaixi Chen,Xi Wang,Ke Chen,Y. J. Gu
标识
DOI:10.1016/j.optlastec.2023.110051
摘要
Improving the overall performance of saturable absorber mirrors (SAMs) based on Two-dimensional (2D) narrow-band-gap materials is critically important in their applications of mid-infrared pulse laser sources. Herein, a reflective TaSe2 SAM with laser-induced damage threshold of ∼12 MW/cm2 was successfully fabricated, the saturable absorption properties around 2.8 μm were characterized with a modulation depth of 5.3% and a total unsaturated loss of 2.2%. With the as-prepared SAM, high-peak-power passively Q-switched Er:YAP laser operation at ∼2.8 μm was realized. For the condition of the maximum absorbed pump power of 8.0 W, the maximum average output power of 0.7 W was obtained with a pulse width of 264 ns at a repetition rate of 105.5 kHz, which corresponds to a maximum single pulse energy of 6.6 μ J and a peak power of 25.1 W.
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