2004
DOI: 10.1016/j.sab.2004.07.002
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Double pulse laser produced plasma on metallic target in seawater: basic aspects and analytical approach

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Cited by 118 publications
(90 citation statements)
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“…Since then, several papers dealing with double-pulse LIBS have reported, mainly, higher intensities of emission lines, typically up to 2 orders of magnitude, and lower LOD, down to parts per billion (ppb) or sub-ppb, in comparison with single-pulse LIBS. 107,[113][114][115][116][117][118][119][120][121][122][123][124] The first papers employing orthogonal configurations in re-heating and pre-ablation modes for double-pulse LIBS date from 1991 and 2000, respectively. 115,116 Although most papers dealing with multi-pulse excitation employ the double-pulse approach, a recent paper have demonstrated emission measurements after seven excitation pulses, using a microchip laser with 25 µs of interpulse separation, reporting up to 129 fold line emission enhancements in comparison with the singlepulse approach.…”
Section: +mentioning
confidence: 99%
See 1 more Smart Citation
“…Since then, several papers dealing with double-pulse LIBS have reported, mainly, higher intensities of emission lines, typically up to 2 orders of magnitude, and lower LOD, down to parts per billion (ppb) or sub-ppb, in comparison with single-pulse LIBS. 107,[113][114][115][116][117][118][119][120][121][122][123][124] The first papers employing orthogonal configurations in re-heating and pre-ablation modes for double-pulse LIBS date from 1991 and 2000, respectively. 115,116 Although most papers dealing with multi-pulse excitation employ the double-pulse approach, a recent paper have demonstrated emission measurements after seven excitation pulses, using a microchip laser with 25 µs of interpulse separation, reporting up to 129 fold line emission enhancements in comparison with the singlepulse approach.…”
Section: +mentioning
confidence: 99%
“…For underwater analysis, the analytical improvements of double-pulse LIBS are still more evident due to the strong confinement of plasma formation and to the much weaker emission signals in single-pulse mode. 123 In the double-pulse mode, the first laser pulse creates a gaseous cavity in the water above the sample surface, which is excited by the second pulse, increasing detectivity to a level comparable to that of single-pulse LIBS in air, 124 making the double-pulse LIBS also potentially useful for marine research.…”
Section: +mentioning
confidence: 99%
“…The delay time between the two laser pluses plays an important role in the signal intensity of DP-LIBS [7,8,11]. Figure 2 shows the emission intensity for the Zr I line at 468.7 nm and Y II line at 366.4 nm of sample #56 as a function of the delay time in DP-LIBS from 0 to 10 μs.…”
Section: Resultsmentioning
confidence: 99%
“…However, the lower sensitivity and precision than the other elemental analysis methods is one of the major drawbacks especially in remote detection [2]. To improve LIBS, a lot of approaches have been proposed to enhance the analytical performance [3][4][5][6], and the double pulse LIBS (DP-LIBS) has been demonstrated by a number of studies [7][8][9][10][11], which is a very efficient approach for enhancing the intensity of plasma emission and improvement of the analytical capabilities of LIBS.…”
Section: Introductionmentioning
confidence: 99%
“…A folyadék közegben való LIBS mérések egy érdekes esetét képezik azok az alkalmazások, amelyekben víz alatt, például tengeri körülmények között vizsgálnak szilárd mintákat, a legtöbb esetben régészeti leleteket vagy geológiai mintákat [71,[218][219][220][221]. A tengerfenék geológiai és ásványtani kiaknázása a következő évtizedekben várhatóan egyre jelentősebb lesz, emiatt fontos az olyan kémiai módszerek fejlesztése, melyeket mélytengeri körülmények között lehet alkalmazni.…”
Section: Víz Alatti Fém Minták Méréseunclassified