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报道了利用半导体可饱和吸收镜 (SESAM )实现自启动的低重复率锁模飞秒钛宝石激光器 ,重复率为 2 0MHz ,锁模脉宽 42fs。
Reported a low repetition rate mode-locked femtosecond Ti: sapphire laser self-starting using a semiconductor saturable absorption mirror (SESAM) with a repetition rate of 20 MHz and a mode-locked pulse width of 42 fs.