| 固体激光器中色散与自相位调制对脉冲的影响 |
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| 引用本文： | 曹轶乐,于丽,杨伯君.固体激光器中色散与自相位调制对脉冲的影响[J].激光技术,2005,29(3):248-250. |
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| 作者姓名： | 曹轶乐 于丽 杨伯君 |
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| 作者单位： | 北京邮电大学,理学院,北京,100876;北京邮电大学,理学院,北京,100876;北京邮电大学,理学院,北京,100876 |
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| 基金项目： | 国家自然科学基金资助项目(60378011) |
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| 摘 要： | 为研究群时延色散与自相位调制对被动锁模固体激光器输出脉冲的影响,数值求解了描述激光器动力学的Haus主方程。采用饱和吸收体的快饱和模型,分析了群时延色散与自相位调制相互平衡和二者共同作用时的两种条件下,脉冲在腔内的演化。结果表明,后一种情况可以使固体激光器产生更短更稳定的光脉冲。
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| 关 键 词： | 飞秒脉冲固体激光器 群时延色散 自相位调制 脉宽 |
| 文章编号： | 1001-3806(2005)03-0248-03 |
| 收稿时间： | 2004/4/15 |
| 修稿时间： | 2004年4月15日 |
Effects of dispersion and self-phase modulation on pulses in solid-state laser |
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| CAO Yi-le,YU Li,YANG Bo-jun.Effects of dispersion and self-phase modulation on pulses in solid-state laser[J].Laser Technology,2005,29(3):248-250. |
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| Authors: | CAO Yi-le YU Li YANG Bo-jun |
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| Abstract: | In order to discuss the effects of group delay dispers ion (GDD) and self-phase modulation (SPM) on the pulses generated from passivel y mode-locking solid-state laser,the Haus master equation which described the femtosecond pulse solid laser dynamics was solved numerically.Adopting the fast saturable absorber model,the pulse evolutions were analyzed in two conditions ,one of which was the balance between GDD and SPM,and the other was the effect of GDD and SPM together.The conclusion shows shorter and steadier pulse can be produced by solid-state laser in the latter condition. |
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| Keywords: | femtosecond pulse solid-state lasers group d elay dispersion self-phase modulation pulse width |
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