期刊
OPTICS EXPRESS
卷 18, 期 2, 页码 632-638出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.000632
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资金
- National Natural Science Foundation of China [10774054]
- National Science Fund [60925021]
- 973 Program of China [2006CB806006]
Using the classical three-dimensional ensembles, we have demonstrated the controlling of dynamics in nonsequential double ionization (NSDI) of helium by two-color few-cycle pulses. By changing the relative phase of the two pulses, recollisions leading to NSDI can be restricted in a time interval of several hundreds attosecond nearly before the field extremum and as a result, the correlated electron momentum distribution exhibits a so-far unobserved narrow arc-like structure. This structure reveals a novel energy correlation between the two electrons from NSDI by two-color few-cycle pulses. (C) 2010 Optical Society of America
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