The instantaneous pulse evolution in active mode-locked laser
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摘要: 本文通过建立一合理的锁模模型,采用数值算法模拟了Nd:YAG主动锁模激光器脉冲的瞬态形成.发现初始的自发辐射,在腔内必须往返105～106次(对应时间为1ms左右),才进入稳定的锁模状态.实验中,我们采用一简单的方法测出了锁模脉冲的这一稳态建立时间,而且与理论计算结果基本相符.
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关键词:
- 锁模脉冲
Abstract: By setting up a suitable active mode-locked mode,the evolution process of a instantaneous pulse is simulated with a numerical calculation method.The simula-tion results show that the primary radiation come to a stable mode-lock state only after 1～1.5ms reflections(about 1 ms).With a simple method,the evolution time of a mode-locked pulse measured experimentally.This experimental result is consistent with theory calculation basically. -
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[1] Siegman A E,Heritier J M.IEEE J Q E,1980;QE-16:324-334
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