Výsledky vyhledávání - "E. De Wispelaere"

Extra ion feature of Thomson scattered light in the interaction of a 600 ps laser with helium gas jet

Autor: Fabien Dorchies, E. de Wispelaere, Ph. Mounaix, F. Amiranoff, Stefan Hüller, Victor Malka, A. Modena

Publikováno v: Physics of Plasmas
Physics of Plasmas, American Institute of Physics, 2003, 10 (2), pp.495. ⟨10.1063/1.1535417⟩
Physics of Plasmas, 2003, 10 (2), pp.495. ⟨10.1063/1.1535417⟩

International audience; The interaction of a 600 ps laser pulse at 0.53 μm wavelength with helium gas jet with an electron density of 8×10^19 cm^−3 has been studied. In this experiment the plasma parameters for density and temperature were well-d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd7988169a29d8660b24069cc6c6c06e
https://doi.org/10.1063/1.1535417

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Temporal and Angular Resolution of the Ionization-Induced Refraction of a Short Laser Pulse in Helium Gas

Autor: P. Chessa, Jean-Raphael Marques, G. Hamoniaux, Patrick Mora, Fabien Dorchies, François Amiranoff, E. de Wispelaere, Victor Malka

Publikováno v: Physical Review Letters
Physical Review Letters, American Physical Society, 1999, 82 (3), pp.552. ⟨10.1103/PhysRevLett.82.552⟩
Physical Review Letters, 1999, 82 (3), pp.552. ⟨10.1103/PhysRevLett.82.552⟩
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International audience; The refraction of a short and intense laser pulse focused in helium gas has been studied both experimentally and numerically. Using the time-frequency correspondence of a 120 fs laser pulse linearly chirped to 1.8 ps, the ioni

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06d991128dcb9a0d0723941e305a4353
https://doi.org/10.1103/physrevlett.82.552

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Ionisation et émission X d'un jet puisé d'Argon irradié par des impulsions laser femtosecondes

Autor: A. Dos Santos, R. Brückner, A. Antonetti, Victor Malka, G. Rey, André Mysyrowicz, J. P. Geindre, C. Stenz, J. C. Gauthier, F. Blasco, François Amiranoff, E. de Wispelaere, Patrick Audebert

Publikováno v: Annales de Physique. 19:C1-171

On presente une etude de l'ionisation optique de l'Argon a une pression voisine de l'atmosphere, par une impulsion laser femtoseconde avec un eclairement de 2-3 l O ^ W / c m 2 . L'effet de defocalisation, observe dans l'Argon statique a une pression

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b568600dfccf27734534593c64c3c40
https://doi.org/10.1051/anphys/1994040

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Formation of plasma channels in the interaction of a nanosecond laser pulse at moderate intensities with helium gas jets

Autor: M. Casanova, R. Haroutunian, Stefan Hüller, Fabien Dorchies, François Amiranoff, Victor Malka, E. de Wispelaere, A. Modena, R. Bonadio, Sophie Baton

Publikováno v: Physical Review E : Statistical, Nonlinear, and Soft Matter Physics
Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 1999, 59 (6), pp.7110. ⟨10.1103/PhysRevE.59.7110⟩
Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 1999, 59 (6), pp.7110. ⟨10.1103/PhysRevE.59.7110⟩
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We report on a detailed study of channel formation in the interaction of a nanosecond laser pulse with a He gas jet. A complete set of diagnostics is used in order to characterize the plasma precisely. The evolution of the plasma radius and of the el

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87bf3278a198b9d3c8bba281e44b508b
https://hal.archives-ouvertes.fr/hal-01165245

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Channel Formation in Long Laser Pulse Interaction with a Helium Gas Jet

Autor: D. Puissant, C. Stenz, Stefan Hüller, M. Casanova, R. Bonadio, R. Haroutunian, C. Coulaud, François Amiranoff, E. de Wispelaere, A. Modena, Victor Malka, S. D. Baton

Publikováno v: Physical Review Letters
Physical Review Letters, 1997, 79 (16), pp.2979. ⟨10.1103/PhysRevLett.79.2979⟩
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Physical Review Letters, American Physical Society, 1997, 79 (16), pp.2979. ⟨10.1103/PhysRevLett.79.2979⟩

International audience; Experimental realization of an electron density channel created by a low intensity laser in a helium gas jet is presented. The long (2.5 mm) plasma channel is fully ionized and thus prevents undesirable refraction effects for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eaec80db845e410a9ec446cb88a68657
https://hal.science/hal-01164922

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Femtosecond Laser Interaction with High-Density Gas Jets

Autor: C. Stenz, R. Brückner, F. Blasco, F. Amiranoff, V. Malka, E. De Wispelaere, R. Bonadio, P. Audebert, J.P. Geindre, J.C Gauthier, A. Dos Santos, G. Rey, A. Mysyrowicz, A. Antonetti

Publikováno v: High Field Interactions and Short Wavelength Generation.

The propagation of an intense and ultrashort laser pulse in a high pressure gas may be strongly modified because of the fast ionization induced by the intense optical field (1). The fast evolution of the ionization rate of the gas during the laser pu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08580e23abe6f1680bf9cb887bdca22b
https://doi.org/10.1364/hrfts.1994.wc2

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