Analytic Description of the High-Energy Plateau in Harmonic Generation by Atoms: Can the Harmonic Power Increase with Increasing Laser Wavelengths?

被引：136
作者：
Frolov, M. V. [1 ]
Manakov, N. L. [1 ]
Sarantseva, T. S. [1 ]
Emelin, M. Yu. [2 ]
Ryabikin, M. Yu. [2 ]
Starace, Anthony F. [3 ]
机构：
[1] Voronezh State Univ, Dept Phys, Voronezh 394006, Russia
[2] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia
[3] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA
来源：
PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 24期
关键词：
THRESHOLD IONIZATION; CROSS-SECTIONS; PHOTOIONIZATION; FIELD; PHYSICS;
D O I：
10.1103/PhysRevLett.102.243901
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A closed-form analytic formula for high-order harmonic generation (HHG) rates for atoms (that generalizes an HHG formula for negative ions [M. V. Frolov , J. Phys. B 42, 035601 (2009)]) is used to study laser wavelength scaling of the HHG yield for harmonic energies in the cutoff region of the HHG plateau. We predict increases of the harmonic power for HHG by Ar, Kr, and Xe with increasing wavelength lambda over atom-specific intervals of lambda in the infrared region, lambda similar to(0.8-2.0) mu m.
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页数：4
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