Analysis of recombination in high-order harmonic generation in molecules

被引：42

作者：

Zimmermann, B ^{[1
]}

Lein, M ^{[1
]}

Rost, JM ^{[1
]}

机构：

[1] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany

来源：

PHYSICAL REVIEW A | 2005年 / 71卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.71.033401

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that the dependence of high-order harmonic generation (HHG) on the molecular orientation can be understood within a theoretical treatment that does not involve the strong field of the laser. The results for H-2 show excellent agreement with time-dependent strong-field calculations for model molecules, and this motivates a prediction for the orientation dependence of HHG from the N-2 3 sigma(g) valence orbital. For both molecules, we find that the polarization of recombination photons is influenced by the molecular orientation. The variations are particularly pronounced for the N-2 valence orbital, which can be explained by the presence of atomic p orbitals.

引用

页数：6

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