Combined effects of double pulses and magnetic field on emission enhancement of laser-induced breakdown spectroscopy from aluminum plasma

被引：29
作者：
Hussain, Atif [1 ]
Gao, Xun [1 ]
Hao, Zuoqiang [1 ]
Lin, Jingquan [1 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Sci, Changchun 130022, Peoples R China
来源：
OPTIK | 2016年 / 127卷 / 20期
基金：
高等学校博士学科点专项科研基金;
关键词：
DP-LIBS; Combined; Aluminum; Magnetic field; Inter-pulse; X-RAY-EMISSION; OPTICAL-EMISSION; IMPROVEMENT; WAVELENGTH; ABLATION; WATER; LIBS;
D O I：
10.1016/j.ijleo.2016.07.047
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this report, two collinear laser pulses were used to investigate the laser-induced breakdown spectroscopy (LIBS) emission from aluminum (Al) plasma, for the two cases with and without magnetic field. Time-integrated emission spectra for atomic lines with combined techniques of dual-pulse LIBS (DP-LIBS) and magnetic field were measured to be higher than those recorded with DP-LIBS only. The enhancement factors of about 11 and 5 were obtained in DP-LIBS with and without magnetic field, respectively. The effect of inter-pulse delay time on the intensity enhancement shows a maximum enhancement factor of about 70 and 40 in DP-LIBS with and without magnetic field for atomic line (308.2 nm). It was obvious that the combined enhancement effects of dual-pulse and magnetic field in LIBS was stronger than that of DP-LIBS only. (C) 2016 Elsevier GmbH. All rights reserved.
引用
收藏
页码：10024 / 10030
页数：7
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