Systematically shaped laser pulses for intense laser–cluster studies
Systematically shaped laser pulses for intense laser–cluster studies
复制标题
用于强激光簇研究的系统成形激光脉冲
DOI：
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发表时间：
2011
期刊：
影响因子：
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通讯作者：
K. Meiwes
中科院分区：
文献类型：
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作者：
N. Truong;S. Göde;J. Tiggesbäumker;K. Meiwes
我们通过应用彩色双脉冲适应度景观技术，研究了高达 1016 W cm−2 的强激光场与嵌入氦纳米液滴中的氙簇的相互作用。通过系统地扫描与激光-簇相互作用相关的双脉冲参数，在特定的脉冲间隔和强度比设置下找到了产生高电荷离子的最佳条件。令人惊讶的是，对于更高的脉冲能量和有效的电离条件，更强烈的前导脉冲受到青睐，这与吸收主要通过后脉冲的共振能量捕获进行的普遍看法相反。最优双脉冲的特性为更深入地理解集群最优控制实验开辟了一条可能的途径。
We investigate the interaction of strong laser fields up to 1016 W cm−2 with xenon clusters embedded in helium nanodroplets by applying the technique of coloured double-pulse fitness landscapes. By systematically scanning the double-pulse parameters relevant for the laser–cluster interaction, optimal conditions for the production of highly charged ions were found at specific pulse separation and intensity ratio settings. Surprisingly, for higher pulse energies and effective ionization conditions, more intense leading pulses are favoured in contrast to the common belief that absorption mainly proceeds via resonant energy capture by the postpulses. The characteristics of the optimal double pulses open a possible route towards a more elaborate understanding of optimal control experiments on clusters.
影响因子：
44.1
作者：
Fennel, Th.;Meiwes-Broer, K-H.;Suraud, E.
通讯作者：
Suraud, E.