Observation of the transient charging of a laser-irradiated solid

K. Quinn, P.A. Wilson, B. Ramakrishna, G. Sarri, L. Romagnani, A. Pipahl, O. Willi, D.C. Carroll, Paul Mckenna, Mark Quinn, Xiaohui Yuan, Pablo Gallegos

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Abstract

The proton radiography technique has been used to investigate the incidence of a 3 ×1019 W/cm2 infrared pulse with a 125 μm-diameter gold wire. The laser interaction is observed to drive the growth of a radial electric field ∼ 1010 V/m on the surface of the wire which rises and decays over a temporal window of 20 ps. Such studies of the ultrafast charging of a solid irradiated at high-intensity may be of relevance to schemes for laser-driven ion acceleration and the fast-ignitor concept for inertial confinement fusion.
Original languageEnglish
Pages (from-to)293-297
Number of pages4
JournalEuropean Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
Volume55
Issue number2
DOIs
Publication statusPublished - Nov 2009

Keywords

  • laser irridated solid
  • 3 ×1019 W/cm2
  • infrared pulse
  • 125 μm-diameter gold wire

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