Nonlinear interaction of intense attosecond XUV pulses with atoms and molecules

被引：0
|
作者：
Midorikawa, K. [1 ]
Shimizu, T. [1 ]
Nabekawa, Y. [1 ]
机构：
[1] RIKEN, Laser Technol Lab, 2-1 Hirosawa, Wako, Saitama 3510198, Japan
来源：
X-RAY LASERS 2006, PROCEEDINGS | 2007年 / 115卷
关键词：
D O I：
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中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We have observed nonlinear optical processes such as two-photon double ionization and above threshold ionization of rare gases in the xuv region with intense high-order harmonics. Using two-photon double ionization in He, the pulse width of the 27th (42 eV) harmonic was measured by an autocorrelation technique, and found it to be 8 ns. A train of attosecond pulses was also characterized directly by the energy-resolved autocorrelation of the above threshold ionized electrons.
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页码：367 / +
页数：3
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