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Macroscopic studies of short-pulse high-order harmonic generation using the time-dependent Schrodinger equation

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Gaarde, MB Antoine, Philippe [UCL] L'Huillier, A Schafer, KJ Kulander, KC

We consider high harmonic generation by ultrashort (27-108 fs) laser pulses and calculate the macroscopic response of a collection of atoms to such a short pulse. We show how the harmonic spectrum after propagation through the medium is significantly different from the single-atom spectrum. We use single-atom data calculated by integration of the time-dependent Schrodinger equation and propose a method, based on an adiabatic approximation;:to extract the data necessary to perform a propagation calculation.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2004
Language Anglais
Journal information "Physical review. A, Atomic, molecular, and optical physics" - Vol. 57, no. 6, p. 4553-4560 (2004)
Peer reviewed yes
Publisher American Physical Soc (College Pk)
issn 1050-2947
e-issn 1094-1622
Publication status Publié
Affiliation UCL
Links
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Bibliographic reference Gaarde, MB ; Antoine, Philippe ; L'Huillier, A ; Schafer, KJ ; Kulander, KC. Macroscopic studies of short-pulse high-order harmonic generation using the time-dependent Schrodinger equation. In: Physical review. A, Atomic, molecular, and optical physics, Vol. 57, no. 6, p. 4553-4560 (2004)
Permanent URL http://hdl.handle.net/2078.1/45263