Attosecond pulse trains generated using two color laser fields

被引：246
|
作者：
Mauritsson, J. [1 ]
Johnsson, P.
Gustafsson, E.
L'Huillier, A.
Schafer, K. J.
Gaarde, M. B.
机构：
[1] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[2] Lund Inst Technol, Dept Phys, SE-22100 Lund, Sweden
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 01期
关键词：
D O I：
10.1103/PhysRevLett.97.013001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the spectral and temporal structure of high harmonic emission from argon exposed to an infrared laser field and its second harmonic. For a wide range of generating conditions, trains of attosecond pulses with only one pulse per infrared cycle are generated. The synchronization necessary for producing such trains ensures that they have a stable pulse-to-pulse carrier envelope phase, unlike trains generated from one color fields, which have two pulses per cycle and a pi phase shift between consecutive pulses. Our experiment extends the generation of phase stabilized few cycle pulses to the extreme ultraviolet regime.
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页数：4
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