Real-time observation of ultrafast ionization and fragmentation of mercury clusters

被引：0
|
作者：
B. Bescós
B. Lang
J. Weiner
V. Weiss
E. Wiedenmann
G. Gerber
机构：
[1] Universität Würzburg,
[2] Physikalisches Institut,undefined
[3] Am Hubland,undefined
[4] D-97074 Würzburg,undefined
[5] Germany,undefined
[6] Université Paul Sabatier,undefined
[7] 118 route de Narbonne,undefined
[8] Bâtiment 3R1 – B4,undefined
[9] F-31062 Toulouse,undefined
[10] Cedex 04,undefined
[11] France,undefined
来源：
The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics | 1999年 / 9卷
关键词：
PACS: 33.80.Rv Multiphoton ionization and excitation to highly excited states – 36.40.Qv Stability and fragmentation of clusters;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We report on time-resolved multiphoton ionization and fragmentation dynamics of free Hgn-clusters (n≤110) with femtosecond laser pulses. Already at laser intensities of 1011 W/cm2 we observe prompt formation of singly, doubly, and triply charged Hgn clusters. In pump-probe experiments short-time (0–5 ps) oscillatory modulations of the transient Hgn+ and Hgn2+ signals are observed which indicate an intermediate state dynamics common to all observed cluster sizes and charge states. Long-time (0–200 ps) transient ionization signals show caged dissociation and recombination chromophore dynamics.
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收藏
页码：399 / 403
页数：4
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