Unified microscopic-macroscopic formulation of high-order difference-frequency mixing in plasmas

被引：17

作者：

Cohen, Oren ^{[1
]}

Popmintchev, Tenio

Gaudiosi, David M.

Murnane, Margaret M.

Kapteyn, Henry C.

机构：

[1] Univ Colorado, JILA, Boulder, CO 80309 USA

[2] Natl Inst Stand & Technol, Boulder, CO 80309 USA

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.98.043903

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate high-order difference-frequency mixing in plasmas, taking into account the microscopic rescattering physics and propagation effects for the first time. We show that phase matching can occur over a broad frequency range, up to very high photon energies, and that it is confined to specific temporal and spatial windows. This gated phase matching mechanism is driven by the continuous phase slip between two driving fields and can be employed for manipulating the temporal, spatial, and spectral properties of high harmonic emission.

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页数：4

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