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EnglishThe dynamics of a one-dimensional atom driven by three-laser fields is investigated. The total electric field is made up of a fundamental laser field of intensity W cm−2 and wavelength λ = 820 nm and two weak lasers with larger wavelengths. The intensity of the two weak fields is with k = 0.25. The frequencies of the weak fields are and , with and . The three lasers have a Gaussian envelope of 72 fs FWHM. It is shown, by numerical computation and using the semiclassical theory of high-harmonic generation, that the atom interacting with this combined field is able to emit an isolated attosecond burst of radiation.
| Data di pubblicazione: | 2010 |
| Titolo: | Use of three detuned lasers to generate isolated attosecond pulses |
| Autori: | |
| Citazione: | Orlando, G., Corso, P., & Fiordilino, E. (2010). Use of three detuned lasers to generate isolated attosecond pulses. JOURNAL OF MODERN OPTICS, 57, 2069-2074. |
| Rivista: | |
| Digital Object Identifier (DOI): | 10.1080/09500340.2010.519834 |
| Abstract: | The dynamics of a one-dimensional atom driven by three-laser fields is investigated. The total electric field is made up of a fundamental laser field of intensity W cm−2 and wavelength λ = 820 nm and two weak lasers with larger wavelengths. The intensity of the two weak fields is with k = 0.25. The frequencies of the weak fields are and , with and . The three lasers have a Gaussian envelope of 72 fs FWHM. It is shown, by numerical computation and using the semiclassical theory of high-harmonic generation, that the atom interacting with this combined field is able to emit an isolated attosecond burst of radiation. |
| Settore Scientifico Disciplinare: | Settore FIS/02 - Fisica Teorica, Modelli E Metodi Matematici Settore FIS/03 - Fisica Della Materia |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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