Scientific Results

Interferometric measurement of the atomic dipole phase for the two electronic quantum paths generating high-order harmonics

Year: 2007

Authors: Pirri A., Corsi C., Sali E., Tortora A., Bellini M.

Autors Affiliation: LENS, Via Nello Carrara 1, Sesto Fiorentino, Florence, 50019, Italy; Physics Dept., University of Florence, Via Sansone 1, Sesto Fiorentino, Florence, 50019, Italy; Istituto Nazionale di Ottica Applicata, L. go E. Fermi 6, Florence, I-50125, Italy

Abstract: The first direct measurement of the atomic dipole phase in high-order harmonic generation obtained by an interferometric technique in the extreme ultraviolet (XUV) is reported. The effects associated with both the main quantum paths involved in the emission of a given plateau harmonic are investigated and compared with the expectations of the semi-classical model, which offers a very simple physical picture for the understanding of the involved electronic dynamics.

Journal/Review: LASER PHYSICS

Volume: 17 (2)      Pages from: 138  to: 142

KeyWords: Atomic physics; Electron emission; Harmonic generation; Interferometry; Ultraviolet radiation, Electronic dynamics; Extreme ultraviolet (XUV); High-order harmonics; Quantum paths, Quantum theory
DOI: 10.1134/S1054660X07020156

Citations: 3
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