强激光与粒子束, 2009, 21 (1): 71, 网络出版: 2009-11-24
啁啾脉冲堆积及其放大特性
Characteristic and amplification of stacked chirped pulse
啁啾脉冲堆积 脉冲放大 啁啾参量 频率啁啾 自相位调制 chirped pulse stacking pulse amplification chirped parameter frequency chirp self-phase modulation
摘要
根据啁啾脉冲堆积的原理以及模型介绍了两路脉冲堆积时脉冲的时间与频谱特性,分析了堆积脉冲产生时间与频谱调制,以及交叠区产生非线性频率啁啾的原因。通过非线性薛定谔方程,分析了堆积脉冲的放大特性,介绍了啁啾参量对放大结果的影响以及放大后堆积脉冲的频率啁啾的变化。研究表明,在堆积脉冲的放大过程中自相位调制效应非常明显,严重影响了脉冲的频谱与频率啁啾。
Abstract
The temporal and spectral characteristic of two stacked chirped pulses are given based on the principle and model of the chirped pulse stacking. And the temporal modulation,spectral modulation and the nonlinear frequency chirp are analyzed. Some characteristics of the stacked pulse amplification are studied by evaluating the nonlinear Schrdinger equation. The amplification result changes with the modified chirped parameters,and the frequency chirp of the output pulse is also changed greatly. The result shows that self-phase modulation plays a main role in changing the spectral and frequency chirp of the amplified stacked pulse.
黄小东, 张小民, 李桂秋, 李明中, 王建军, 车雅良, 许党朋. 啁啾脉冲堆积及其放大特性[J]. 强激光与粒子束, 2009, 21(1): 71. Huang Xiaodong, Zhang Xiaomin, Li Guiqiu, Li Mingzhong, Wang Jianjun, Che Yaliang, Xu Dangpeng. Characteristic and amplification of stacked chirped pulse[J]. High Power Laser and Particle Beams, 2009, 21(1): 71.
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