Optimization of the recollision step in high-order harmonic generation

被引：7
作者：
Klaiber, Michael [1 ]
Kohler, Markus C. [1 ]
Hatsagortsyan, Karen Z. [1 ]
Keitel, Christoph H. [1 ]
机构：
[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
来源：
PHYSICAL REVIEW A | 2012年 / 85卷 / 06期
关键词：
IONIZATION RATES; COMPLEX ATOMS; POLARIZATION; FIELD;
D O I：
10.1103/PhysRevA.85.063829
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The recombination step of high-order harmonic generation is investigated with the aim of optimizing the high-energy photon emission yield in this process. The dependence of the recombination probability of a recolliding electron on the parameters of the atomic potential, such as its width and depth and the parameters of the electron wave packet such as its impact parameter, width, and angular momentum, are analyzed. Empirical laws for these parameters are found that ensure optimal recombination and in this way optimal emission of high-energy photons.
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页数：8
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