期刊
MODERN PHYSICS LETTERS B
卷 35, 期 24, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217984921504236
关键词
Attosecond pulse; high-order harmonics generation; hyper-Gaussian pulse
资金
- National Natural Science Foundation of China [61775087, 12074398]
- Open Fund of the State Key Laboratory of High Field Laser Physics of SIOM
The proposed laser synthesis scheme combines single-color and hyper-Gaussian pulses to generate an isolated attosecond pulse (IAP) through interacting with pre-aligned molecules. Numerical results show that under certain hyper-Gaussian parameters, the scheme efficiently produces an IAP, with sensitivity to molecular pre-alignment angles. Optimal hyper-Gaussian parameters and pre-alignment angles can support the generation of the strongest IAP.
A laser synthesis scheme via the superposition of single-color and hyper-Gaussian pulses is proposed, and the synthesized laser pulse is adopted to interact with pre-aligned molecules for the production of an isolated attosecond pulse (IAP). The numerical results based on strong-field approximation disclose that the proposed scheme is efficient for the generation of an IAP under suitable hyper-Gaussian parameters, and the intensity of an IAP is sensitive to molecular pre-alignment angles, and thus an optimal set of hyper-Gaussian parameters and pre-alignment angles can support the strongest IAP.
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