Elastic rescattering in the strong field tunneling limit

被引:137
作者
Walker, B [1 ]
Sheehy, B [1 ]
Kulander, KC [1 ]
DiMauro, LF [1 ]
机构
[1] LAWRENCE LIVERMORE NATL LAB, TAMP, LIVERMORE, CA 94551 USA
关键词
D O I
10.1103/PhysRevLett.77.5031
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
High precision measurements of helium photoelectron energy and angular distributions for a broad intensity range reflect the change in the continuum dynamics that occurs as the ionization process evolves into the pure tunneling regime. Elastic rescattering of the laser-driven free electron from its parent ion core leaves a distinct signature on the spectra, providing a direct quantitative test of the various theories of strong field multiphoton ionization. We show that it takes a relatively complete semiclassical rescattering model to accurately reproduce the observed distributions.
引用
收藏
页码:5031 / 5034
页数:4
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