CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2009, Vol. 26 ›› Issue (3): 444-448.DOI: 10.3969/j.issn.1001-246X.2009.03.016

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Multi-atom Molecular Ions in Intense Laser Pulse and Enhancement of High-order Harmonic Generation

LI Nana, LIU Xueshen   

  1. Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China
  • Received:2007-08-27 Revised:2008-05-03 Online:2009-05-25 Published:2009-05-25

Abstract: Interaction of multi-atom molecular ions with intense laser pulse is studied. High-order harmonic generation plateau is extended and conversion efficiency is enhanced.Physical mechanism of plateau extension is explained with classical theory.

Key words: He+ ion chain, high-order harmonic generation, cut-off frequency

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