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Proceedings Paper

Isolated attosecond pulse generation via the interference of ionized multi-recollision wave-packets
Author(s): Suyu Li; Jun Wang; Fuming Guo; Yujun Yang; Mingxing Jin
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Paper Abstract

We propose and theoretically demonstrate a method for generating an intense isolated attosecond pulse by a few-cycle strong laser pulse. The numerical simulations show that a broadband supercontinuum spectrum can be obtained by the interference of the ionized multi-recollision wave-packets with different energies, which are produced from the laser field at different ionization instants. By controlling the peak intensity of the few-cycle laser pulse, the atom can be completely ionized in the rising edge of the few-cycle laser pulse. Therefore, the probability of ionized wave packet is large enough to ensure the continuous harmonics with high efficiency, and an intense isolated 77 as pulse can be achieved successfully. Moreover, it is shown that our scheme can modulate the duration of the isolated attosecond pulse by adjusting the initial population of the atom.

Paper Details

Date Published: 4 May 2015
PDF: 8 pages
Proc. SPIE 9543, Third International Symposium on Laser Interaction with Matter, 95430V (4 May 2015); doi: 10.1117/12.2182015
Show Author Affiliations
Suyu Li, Jilin Univ. (China)
Jun Wang, Jilin Univ. (China)
Fuming Guo, Jilin Univ. (China)
Yujun Yang, Jilin Univ. (China)
Mingxing Jin, Jilin Univ. (China)

Published in SPIE Proceedings Vol. 9543:
Third International Symposium on Laser Interaction with Matter
Yury M. Andreev; Zunqi Lin; Xiaowu Ni; Xisheng Ye, Editor(s)

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