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Article Dans Une Revue Physical Review Letters Année : 2013

Inhomogeneous high harmonic generation in krypton clusters.

Résumé

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.

Dates et versions

hal-00808080 , version 1 (04-04-2013)

Identifiants

Citer

H. Ruf, C. Handschin, Raluca Cireasa, Nicolas Thiré, A. Ferré, et al.. Inhomogeneous high harmonic generation in krypton clusters.. Physical Review Letters, 2013, 110 (8), 083902 [5 p.]. ⟨10.1103/PhysRevLett.110.083902⟩. ⟨hal-00808080⟩
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