Comparative Study on Laser Induced Breakdown Spectroscopy Based on Single Pulse and Re-Heating Orthogonal Dual Pulse

doi:10.3964/j.issn.1000-0593(2017)02-0588-06

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中科院安徽光学精密机械研究所

	Comparative Study on Laser Induced Breakdown Spectroscopy Based on Single Pulse and Re-Heating Orthogonal Dual Pulse
	Yu Yang 2; Zhao Nan-jing 2; Fang Li2 ; Meng De-shuo 2; Gu Yan-hong 2; Wang Yuan-yuan 2; Jia Yao 2; Ma Ming-jun 2; Liu Jian-guo2 ; Liu Wen-qing2
刊名	SPECTROSCOPY AND SPECTRAL ANALYSIS
	2017-02-01
卷号	37 期号:2 页码:588-593
关键词	Laser-induced Breakdown Spectroscopy Orthogonal Dual-pulse Spectral Enhancement Signal-to-background Ratio Plasma Temperature Electron Density
DOI	10.3964/j.issn.1000-0593(2017)02-0588-06
文献子类	Article
英文摘要	In order to improve the detection sensitivity and spectral characteristic of laser-induced breakdown spectroscopy (LIES), re-heating orthogonal dual-pulse configuration is adopted to analyze Fe, Pb, Ca and Mg contained in the sample and soil sample contained different concentrations of heavy mental Cr. Variation relationship between spectral intensity, signal-to-background(SBR) of four characteristic spectral lines Fe I : 404. 581 nm, Pb I : 405. 78 nm, Ca I 422. 67 rim and Mg I : 518. 361 nm and time interval of two laser pulses is discussed, the best time interval of two laser pulses is obtained 1. 0 s. In the condition of single pulse and dual-pulse, the enhancement factor of spectral intensity of four characteristic spectral lines Fe I : 404. 581 nm, Pb I : 405. 78 nm, Ca I : 422. 67 nm and Mg I : 518. 361 nm is respectively 2. 23, 2. 31, 2. 42 and 2. 10; The time evolution characteristic of spectral intensity of characteristic spectral lines Fe I : 404. 581 nm and Ca I : 422. 67 rim is considered, and also the variation relationship between spectral acquisition delay time and SBR of-four characteristic spectral lines, dual-pulse can prolong decay time of spectral intensity and improve the SBR of characteristic spectral lines; time evolution characteristic of plasma temperature and electron density is compared in the condition of single pulse and dual-pulse, maximum elevation of plasma temperature is found to be 730 K, and the maximum increase of electron density is 1. 8 X 10(16) cm(-3). The limits of detection of heavy mental Cr are obtained 38 and 20 mu g center dot g(-1) respectively in condition of single and double pulse, limit of detection of Cr is reduced approximately 2 times by the condition of re-heating orthogonal dual pulse. Results above indicate that reheating orthogonal dual-pulse can improve detection sensibility and spectral characteristic of LIBS technique, which provides an effective method for decreasing the limit of detection of elements.
WOS关键词	OPTICAL-EMISSION ; ENHANCEMENT
WOS研究方向	Spectroscopy
语种	英语
WOS记录号	WOS:000393847200048
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/31696]
专题	合肥物质科学研究院_中科院安徽光学精密机械研究所
作者单位	1.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China 2.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China
推荐引用方式 GB/T 7714	Yu Yang,Zhao Nan-jing,Fang Li,et al. Comparative Study on Laser Induced Breakdown Spectroscopy Based on Single Pulse and Re-Heating Orthogonal Dual Pulse[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2017,37(2):588-593.
APA	Yu Yang.,Zhao Nan-jing.,Fang Li.,Meng De-shuo.,Gu Yan-hong.,...&Liu Wen-qing.(2017).Comparative Study on Laser Induced Breakdown Spectroscopy Based on Single Pulse and Re-Heating Orthogonal Dual Pulse.SPECTROSCOPY AND SPECTRAL ANALYSIS,37(2),588-593.
MLA	Yu Yang,et al."Comparative Study on Laser Induced Breakdown Spectroscopy Based on Single Pulse and Re-Heating Orthogonal Dual Pulse".SPECTROSCOPY AND SPECTRAL ANALYSIS 37.2(2017):588-593.