期刊
OPTICS COMMUNICATIONS
卷 283, 期 1, 页码 155-159出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2009.09.076
关键词
HHG; Two-color field; Supercontinuum
类别
资金
- National Natural Science Foundation of China [10734080, 10574092]
- National Basic Research Program 973 of China [2006CB806000]
In recent years, it has been shown that an intense few-cycle driving pulse combined with a weak control pulse could efficiently extend the harmonic spectrum in the generation of high-order harmonics (HHG). In this paper, we adjust the intensities of the driving and control pulse to generate broader extreme ultraviolet (XUV) supercontinuum. We find that in some special situation when the intensity of the control pulse equals to that of the driving pulse. a clean supercontinuum as long as 80 eV can be realized and a 53-as pulse can be straightforwardly obtained. (C) 2009 Elsevier B.V. All rights reserved.
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