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Fragmentation of N2 in 410 nm intense femtosecond laser field
  • 时间:0
  • 分类:TQ116.15[化学工程—无机化工]
  • 作者机构:[1]State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China, [2]Graduate School of Chinese Academy of Sciences, Beijing 100049, China
  • 相关基金:ACKNOWLEDGMENTS This work was supported by the National Natural Science Foundation of China (No.20633070 and No.20473090).
  • 相关项目:化学反应的非绝热过程中的超快动力学及其理论研究
中文摘要:

在强烈激光回答的线性地极化的飞米秒 410 和 820 nm 的 N 2 的破碎被使用印射技术的速度学习。在 410 和 820 nm 的 N 2 的不同行为被观察。动能分布和 410 nm 地里的碎片离子的尖分布在非浸透政体在激光紧张上显示出弱相关性,与在 820 nm 的盒子相对照。不同激动的电子状态,即,经由垂直刺激占据的 non-Coulombic 潜力,被建议在短波长在破碎起关键作用。

英文摘要:

Fragmentations of N2 in linearly polarized femtosecond 410 and 820 nm intense laser fields were studied by using the velocity mapping technique. Different behaviors of N2 at 410 and 820 nm were observed. Both the kinetic energy distributions and angular distributions of fragment ions in 410 nm field show weak dependency on laser intensities in the non- saturation regime, in contrast to the case in 820 nm. Different excited electronic states, i.e., non-Coulombic potentials populated via vertical'excitation, are suggested to play crucial roles in fragmentations at short wavelength.

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