期刊
PHYSICAL REVIEW A
卷 80, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.80.053423
关键词
light polarisation; molecule-photon collisions; nitrogen; optical harmonic generation; optical pulse generation
资金
- National Basic Research Program of China [2006CB806000]
- Talents Program of the Chinese Academy of Sciences
- Shanghai Pujiang Program
- National Outstanding Youth Foundation
- ICF research [2008AA8040022]
- CAEP Foundation [2006z0202, 2008B0102007]
We theoretically investigate high-order harmonic generation from the diatomic molecules in an orthogonally polarized two-color few-cycle optical field by controlling the incident angle of the recolliding electron. We show that the combination of molecules and two-color polarization gating allows us to significantly suppress undesirable satellite pulses owing to the orientation dependence of high-order harmonic generation in molecules, giving rise to the generation of single attosecond pulses.
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