2016
DOI: 10.1016/j.sab.2016.08.020
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Double pulse laser induced breakdown spectroscopy with Gaussian and multimode beams

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Cited by 11 publications
(3 citation statements)
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“…As an effective and completive signal enhancement technique for SP-LIBS, understanding the basic enhancement mechanisms is highly desirable. To date, a great effort has been devoted to elucidating the mechanisms that yield the signal enhancement in collinear DP-LIBS [13][14][15][16][17][18][19][20][21][22][23][24]. In general, double pulse LIBS increases the ablation and plasma volume, affects the plasma expansion rates, temperature and ion density in the plasma kernel, and extends the decay time of plasma emissions.…”
Section: Introductionmentioning
confidence: 99%
“…As an effective and completive signal enhancement technique for SP-LIBS, understanding the basic enhancement mechanisms is highly desirable. To date, a great effort has been devoted to elucidating the mechanisms that yield the signal enhancement in collinear DP-LIBS [13][14][15][16][17][18][19][20][21][22][23][24]. In general, double pulse LIBS increases the ablation and plasma volume, affects the plasma expansion rates, temperature and ion density in the plasma kernel, and extends the decay time of plasma emissions.…”
Section: Introductionmentioning
confidence: 99%
“…One vital subject among these studies is the analytical performance of LIBS for the industrial application. To improve the performance, many approaches have been developed based on LIBS, such as microwave-assisted LIBS, 22,23 LIBS laser-induced fluorescence (LIF), 24 resonance-enhanced LIBS, 25,26 double-pulse LIBS (DP-LIBS), 2733 etc. However, it is still difficult to apply LIBS to the steelmaking process because of the terrible measurement conditions in steel plant.…”
Section: Introductionmentioning
confidence: 99%
“…Picosecond and femtosecond laser pulses can be a better laser source for some specific LA ICP MS and LIBS applications due to particular features of short and ultrashort laser ablation like the absence of a heat affected zone and the smallest laser crater dimensions (elemental mapping), decreased ablation stress for nearby areas in the case of biological samples analysis, absence of fractional evaporation and the small ablation mass [8][9][10][11][12][13]. An alternative way to improve LIBS analytical performance is Laser Physics Letters Laser induced breakdown spectroscopy with picosecond pulse train to use a so-called double pulse technique which utilizes two successive nanosecond laser pulses with microsecond delay for ablation [14][15][16][17][18][19]. Double pulse LIBS results in significant improvement of the signal-to-noise ratio and reproducibility thus enhancing sensitivity and accuracy of LIBS analysis due to laser ablation mechanism changes [17].…”
Section: Introductionmentioning
confidence: 99%