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The Dynamics of 1D H_2~+ Interacting with Ultrashort Laser Pulse

机译:1D H_2〜+与超短激光脉冲相互作用的动态

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Using a collinear model, we theoretically investigat the dynamic process and the spectrum of high harmonic generation of hydrogen molecular ion (H_2~+) in intense ultrashort laser pulses with intensities of 10~14 approx 10~15W/cm~2, the wavelength of 532 nm and the duration of 22fs. The results show that: (1) The ionization mainly occursin the decay-front of the pulse profile when the pulse's peak intensity is low and in the plateau-front of the pulse profile when the pulse's peak intensity is low and in the plateau-front when the intensity is high. (2) The dissociation and the dissociative ionization are very smaller and appear later about 5 cycles (approx approx 9fs) than the ionization. (3) The spectrum of high harmonic generation demonstrates that the shorter pulse can produce higher order harmonics than the longer one.
机译:使用共线模型,我们理论上研究了强烈的超短激光脉冲中的动态过程和高谐波产生的高谐波产生的光谱,其强度为10〜14〜15W / cm〜2,波长532 nm和22fs的持续时间。结果表明:(1)当脉冲的峰强度低,脉冲峰强度低于脉冲曲线的高度和高原前方时,电离主要发生电离 - 当脉冲曲线的平台前面时当强度高。 (2)解离和离置电离非常小,并且稍后出现比电离约5个循环(约大约9Fs)。 (3)高谐波产生的光谱表明,较短的脉冲可以产生比较长的谐波更高的谐波。

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