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Coherent extreme ultraviolet light amplification by strong-field-enhanced forward scattering

Autor/a

Serrat Jurado, Carles

Otros/as autores/as

Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear

Universitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers

Fecha de publicación

2013-09-24

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Resumen

We theoretically study the response of He atoms exposed simultaneously to an intense IR pulse and a weak extreme ultraviolet (XUV) pulse with photon energies far from the principal atomic He resonances. We find that XUV forward scattering from the nonstationary electronic wave packet promoted by the intense IR driving field is strongly enhanced as compared with the normal weak scattering from bound or free electrons. Based on this effect, we predict that large amplification of XUV radiation can be achieved in the cutoff spectral region of high-harmonic generation in He gas.

Peer Reviewed

Postprint (published version)

Tipo de documento

Article

Lengua

Inglés

Materias y palabras clave

Àrees temàtiques de la UPC::Física; Coherence (Nuclear physics); Laser pulses, Ultrashort; Coherència (Física nuclear); Làsers d'impulsos ultracurts; Harmònics (Ones elèctriques)

Documentos relacionados

http://link.aps.org/doi/10.1103/PhysRevLett.111.133902

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Derechos

Open Access

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E-prints [73034]