Inhomogeneous High Harmonic Generation in Krypton Clusters

被引：58

作者：

Ruf, H. ^{[1
]}

Handschin, C. ^{[1
]}

Cireasa, R. ^{[2
,3
]}

Thire, N. ^{[2
,3
]}

Ferre, A. ^{[1
]}

Petit, S. ^{[1
]}

Descamps, D. ^{[1
]}

Mevel, E. ^{[1
]}

Constant, E. ^{[1
]}

Blanchet, V. ^{[2
,3
]}

Fabre, B. ^{[1
]}

Mairesse, Y. ^{[1
]}

机构：

[1] Univ Bordeaux, CELIA, CNRS, CEA,UMR5107, F-33405 Talence, France

[2] Univ Toulouse, F-31062 Toulouse, France

[3] CNRS, IRSAMC, Lab Collis Agregats Reactivite, F-31062 Toulouse, France

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 08期

关键词：

HIGH-ORDER HARMONICS; X-RAY-EMISSION; ATOMS; BEAMS;

D O I：

10.1103/PhysRevLett.110.083902

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

High order harmonic generation from clusters is a controversial topic: conflicting theories exist, with different explanations for similar experimental observations. From an experimental point of view, separating the contributions from monomers and clusters is challenging. By performing a spectrally and spatially resolved study in a controlled mixture of clusters and monomers, we are able to isolate a region of the spectrum where the emission purely originates from clusters. Surprisingly, the emission from clusters is depolarized, which is the signature of statistical inhomogeneous emission from a low-density source. The harmonic response to laser ellipticity shows that this generation is produced by a new recollisional mechanism, which opens the way to future theoretical studies. DOI: 10.1103/PhysRevLett.110.083902

引用

页数：5

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