科研之友
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摘要
We report a femtosecond Kerr-lens mode-locked (KLM) Alexandrite laser resonantly pumped by a 589 nm yellow laser. The 4 nJ pulses as short as 42 fs were obtained corre-sponding to a peak power of 100 kW. With the repetition rate of 104 MHz, the average power of 420 mW was attained. The time-bandwidth product of generated laser pulse was meas-ured to be 0.324 with a beam quality factor of M2 <= 1.13. The exceptional performance of visible femtosecond laser may find potential applications in various fields.
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单位东莞理工学院
