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Aluminium plasma production at high laser intensity

Torrisi, L. ; Cutroneo, M.

Journal of applied physics, 2014-02, Vol.115 (8) [Periódico revisado por pares]

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Título:
Aluminium plasma production at high laser intensity
Autor: Torrisi, L. ; Cutroneo, M.
Assuntos: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; ALUMINIUM ; ALUMINIUM IONS ; Aluminum ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; Driving conditions ; ELECTRIC FIELDS ; IODINE LASERS ; ION EMISSION ; IRRADIATION ; Laser plasmas ; LASER-PRODUCED PLASMA ; Lasers ; PLASMA ACCELERATION ; PLASMA DIAGNOSTICS ; PLASMA PRODUCTION ; Proton energy ; Pulse duration ; Sheaths ; SILICON CARBIDES ; STREAK CAMERAS ; Thick films ; THIN FILMS ; X RADIATION ; X ray spectra
É parte de: Journal of applied physics, 2014-02, Vol.115 (8)
Descrição: Thick and thin films of Al targets were irradiated in vacuum with iodine laser at 1315 nm wavelength, 300 ps pulse duration at a maximum intensity of about 1016 W/cm2 by varying the pulse energy and focal position. The laser-generated plasma was monitored in forward and backward directions by using ion collectors, SiC detectors, Thomson parabola spectrometer, and X-ray streak camera. Ion emission shows maximum proton energy of about 4 MeV in self-focusing conditions and a maximum Al ion energy of about 50 MeV. An evaluation of the electric field driving ions in conditions of target normal sheath acceleration is given.
Editor: Melville: American Institute of Physics
Idioma: Inglês

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