%0 Journal Article
%T Proposal for single attosecond pulse production with a 43 fs super intense laser pulse<br>利用43飞秒的强激光脉冲实现单个阿秒脉冲输出的新机理
%A Cao Wei
%A Lan Peng-Fei
%A Lu Pei-Xiang
%A <br>曹 伟
%A 兰鹏飞
%A 陆培祥
%J 物理学报
%D 2007
%I 
%X High harmonics generation (HHG) from Ne atom driven by a multi-cycle 43 fs laser pulse is investigated. The numerical simulation demonstrates that when the intensity of the driving laser is over-saturated, the atom will be ionized rapidly during a few optical cycles, this will lead to a continuous multi-plateau structure in the cutoff region of the high harmonics spectrum from the neutral atom. It is also shown that the signal of high-order harmonics from the ion becomes remarkable when the driving laser is super intense. The superposition of an appropriate sub-plateau can give single attosecond soft X-ray pulse, and the effect of HHG from ion has been eliminated through the band selection.
%K high harmonic generation
%K attosecond pulse<br>高次谐波
%K 阿秒脉冲
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=F12B6FDDBD632858&yid=A732AF04DDA03BB3&vid=014B591DF029732F&iid=38B194292C032A66&sid=771E2DBBF647F0DE&eid=2E3D2E3C7A6F11A2&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=22