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首页> 外文会议>The International Conference on Laser Physics and Quantum Optics was held in Shanghai, China, from August 25 to August 28, 1999 >The Dynamics of 1D H_2~+ Interacting with Ultrashort Laser Pulse
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The Dynamics of 1D H_2~+ Interacting with Ultrashort Laser Pulse

机译：一维H_2〜+与超短激光脉冲相互作用的动力学

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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，我们从理论上研究了强度为10〜14的大约10〜15W / cm〜2的强超短激光脉冲中氢分子离子（H_2〜+）的动力学过程和高谐波产生的频谱。 532 nm，持续时间为22fs。结果表明：（1）当脉冲的峰值强度较低时，电离主要发生在脉冲轮廓的衰减前沿；当脉冲的峰值强度较低时，电离主要发生在脉冲轮廓的平稳前沿，而在平稳前沿当强度很高时。 （2）离解和离解电离非常小，比电离晚约5个循环（约9fs）出现。 （3）高次谐波产生的频谱表明，较短的脉冲比较长的脉冲可产生更高次的谐波。

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