Aluminium plasma production at high laser intensity

被引：21

作者：

Torrisi, L. ^{[1
]}

Cutroneo, M.

机构：

[1] Univ Messina, Dipartimento Fis, I-98166 Messina S, ME, Italy

来源：

JOURNAL OF APPLIED PHYSICS | 2014年 / 115卷 / 08期

关键词：

PULSED-LASER;

D O I：

10.1063/1.4866878

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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 10(16)W/cm(2) 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. (C) 2014 AIP Publishing LLC.

引用

页数：7

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