http://www.cnr.it/ontology/cnr/individuo/prodotto/ID39583
Femtosecond interferometry of propagation of a laminar ionization front in a gas (Articolo in rivista)
- Type
- Label
- Femtosecond interferometry of propagation of a laminar ionization front in a gas (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Alternative label
L.A. Gizzi, M. Galimberti, A. Giulietti, D. Giulietti, P. Köster, L. Labate, P. Tomassini, Ph. Martin, T. Ceccotti, P. D'Oliveira, P. Monot (2006)
Femtosecond interferometry of propagation of a laminar ionization front in a gas
in Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics (Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- L.A. Gizzi, M. Galimberti, A. Giulietti, D. Giulietti, P. Köster, L. Labate, P. Tomassini, Ph. Martin, T. Ceccotti, P. D'Oliveira, P. Monot (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Intense Laser Irradiation Laboratory, IPCF-Area della Ricerca CNR, Via Moruzzi, 1 56124 Pisa, Italy
Istituto Nazionale di Fisica Nucleare-INFN, Pisa, Italy
Physique à Haute Intensité, CEA-DSM/DRECAM/SPAM, Bât. 522 p. 148, 91191 Gif sur Yvette Cedex, France (literal)
- Titolo
- Femtosecond interferometry of propagation of a laminar ionization front in a gas (literal)
- Abstract
- We use optical interferometry to investigate ultrafast ionization induced by an intense, ultrashort laser pulse
propagating in a helium gas. Besides standard phase shift information, our interferograms show a localized
region of fringe visibility depletion FVD that moves along the laser propagation axis at luminal velocity. We
find that such a loss of visibility can be quantitatively explained by the ultrafast change of refractive index due
to the field ionization of the gas in the laser pulse width. We demonstrate that by combining the post facto
phase shift distribution with the probe pulse transit effect in the ionizing region, the analysis of the observed
FVD yields significant information on the ultrafast dynamics of propagation of the ionization front in the gas. (literal)
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- Autore CNR
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