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Communication Dans Un Congrès Année : 2005

PHYSICAL PARAMETER DEPENDENCE OF THE X-RAY GENERATION IN INTENSE LASER – CLUSTER INTERACTION

Résumé

Studies on laser – cluster interaction performed on the LUCA facility (French acronym for Ultra Short Tunable Laser, CEA Saclay) allow to observe the production of hard x-rays in the 1 to 5 keV range when rare gas clusters of nanometer sizes are heated by strong optical fields (F > 10^9 V/cm). First complete quantitative measurements of absolute photon emission yields, as well as of charge state distributions of ionic species with inner shell vacancies have been performed as a function of several physical parameters governing the interaction. Our measurements give rise to fundamental results like an optimum heating time and an intensity threshold in the x-ray production. These data provide direct insight into the interaction dynamics and into the heating processes involved.
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Dates et versions

hal-00008075 , version 1 (22-08-2005)

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Emily Lamour, Christophe Prigent, Jean-Pierre Rozet, Dominique Vernhet. PHYSICAL PARAMETER DEPENDENCE OF THE X-RAY GENERATION IN INTENSE LASER – CLUSTER INTERACTION. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms ; Proceedings of HCI2004, 2005, Vilnuis, Lithuania. pp.408-412, ⟨10.1016/j.nimb.2005.03.215⟩. ⟨hal-00008075⟩
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