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超高亮度激光系统中光栅对脉冲整形器失调对输出脉冲时间特性的影响
Temporal Aberrations of Ultrashort Pulse Due to the Misalignment of Grating Pair Pulse Shaper in Ultrahigh Power Laser System
【摘要】 在较全面地给出光栅对脉冲整形器失调产生附加相位项表达式的同时,详细地讨论了展宽器失调的附加相位项在放大系统传输过程中的变化,并与压缩器失调特性作了比较,分析了这些失调对超高亮度激光系统输出脉冲及其聚焦场时间特性的影响,得到了确定光栅对脉冲整形器失调容限的基本原则。
【Abstract】 The expressions of phase distortions resulting from the misalignment of grating pair pulse shaper are presented. Their effects on the temporal aberration of output pulses, especially after focused, in ultrahigh power laser system are discussed. These results are helpful for chirped pulsed amplifier system design.
【关键词】 光栅对脉冲整形器;
失调;
脉冲宽度;
光脉冲对比度;
【Key words】 grating pair pulse shaper; misalignment; pulse width; peak to background contrast.;
【Key words】 grating pair pulse shaper; misalignment; pulse width; peak to background contrast.;
- 【文献出处】 光学学报 ,ACTA OPTICA SINICA , 编辑部邮箱 ,1998年05期
- 【分类号】TN249
- 【下载频次】87