Laser-induced substructures in above-threshold-ionization spectra from intense few-cycle laser pulses

被引：43

作者：

Wickenhauser, M ^{[1
]}

Tong, XM

Lin, CD

机构：

[1] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

[2] Vienna Univ Technol, Inst Theoret Phys, A-1040 Vienna, Austria

[3] Univ Tsukuba, Grad Sch Pure & Appl Sci, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan

[4] Univ Tsukuba, Ctr Computat Sci, Tsukuba, Ibaraki 3058577, Japan

来源：

PHYSICAL REVIEW A | 2006年 / 73卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.73.011401

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have calculated above-threshold-ionization (ATI) spectra for argon in a strong, few-cycle 400 nm laser pulse with an ab initio solution of the time-dependent Schrodinger equation and by using a model based on the strong field approximation. We find additional peaks in the resulting ATI spectra which are not present for longer pulses. This substructure is due to the rapidly changing ponderomotive potential in the short laser pulse. It is sensitive to the pulse duration and the pulse envelope and is a general feature of ionization spectra originating from a short, intense laser pulse.

引用

页数：4

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