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题名: Analysis of Enhanced Laser-Induced Breakdown Spectroscopy with Double Femtosecond Laser Pulses
作者: Shen, J(沈洁); Yang, ZC; Liu, XL; Shi, YC; Zhao, PX; Sun, SH(孙少华); Hu, BT(胡碧涛)
收录类别: SCIE ; EI ; CSCD
出版日期: 2015-02
刊名: PLASMA SCIENCE & TECHNOLOGY
卷号: 17, 期号:2, 页码:147-152
出版者: IOP
出版地: BRISTOL
英文摘要: In this paper, an experimental study of collinear geometry double-pulse femtosecond LIBS was performed on a Ni sample in ambient air in an effort to clarify the contributing processes responsible for the signal enhancement observed in comparison with the single-pulse case. Double-pulse LIBS spectra show a very clear enhancement when an optimum inter-pulse delay was used. The influences of the inter-pulse delay between two pulses on the LIBS signal intensity, electron temperature and density were investigated. It is most remarkable that the evolutions of signal enhancement and electron temperature versus the inter-pulse delay showed the same behavior and revealed two main regimes of interaction. These results provide additional insight into the possible emission enhancement mechanisms in the double pulse configuration.
关键词: LIBS ; femtosecond laser ; double pulse ; signal enhancement
作者部门: [Shen Jie ; Liu Xiaoliang ; Shi Yanchao ; Zhao Peixi ; Sun Shaohua ; Hu Bitao] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China ; [Yang Zhengcai] Lanzhou Commercial Coll, Lanzhou 730000, Peoples R China
通讯作者: Shen, J (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
学科分类: Physics
文章类型: Article
所属项目编号: National Natural Science Foundation of China [11135002, 11075069, 91026021, 11075068] ; Fundamental Research Funds for the Central Universities of China [lzujbky-2014-13, lzujbky-2014-14, lzujbky-2014-10, lzujbky-2014-15]
所属项目名称: 国家自然科学基金项目 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; LZU
语种: 英语
DOI: 10.1088/1009-0630/17/2/09
ISSN号: 1009-0630
WOS记录号: WOS:000349620100009
CSCD记录号: CSCD:5350916
EI记录号: 20150700523020
IR记录号: CSCD2712
第一机构:
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/117423
Appears in Collections:核科学与技术学院_期刊论文

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Recommended Citation:
Shen, J,Yang, ZC,Liu, XL,et al. Analysis of Enhanced Laser-Induced Breakdown Spectroscopy with Double Femtosecond Laser Pulses[J]. PLASMA SCIENCE & TECHNOLOGY,2015,17(2):147-152.
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