@article{
 title = {Spectral emission enhancement by an electric pulse for LIBS and LAMIS},
 type = {article},
 year = {2017},
 identifiers = {[object Object]},
 pages = {657-670},
 volume = {32},
 websites = {http://xlink.rsc.org/?DOI=C6JA00436A},
 id = {c55f6aa6-4dab-313e-a8af-a045a6bdcabf},
 created = {2018-11-01T17:24:38.673Z},
 file_attached = {false},
 profile_id = {6c08603e-f5fc-34c8-a4d1-319cca2e54f4},
 group_id = {18670495-6d76-3294-a982-97e5d10d5ff5},
 last_modified = {2018-11-02T15:01:48.586Z},
 read = {true},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 citation_key = {Bolshakov2017},
 private_publication = {false},
 abstract = {© The Royal Society of Chemistry 2017. Enhancement of the emission intensity by a secondary electric pulse following a laser ablation pulse was investigated in application to the chemical analysis by Laser-Induced Breakdown Spectroscopy (LIBS) and Laser Ablation Molecular Isotopic Spectrometry (LAMIS). A stable reheating pulsed discharge pre sumably sustained in a diffuse glow regime at atmospheric pressure was demonstrated as a rational approach to increase the sensitivity of the optical emission analysis over the conventional single-pulse laser ablation techniques. The enhancement in the emission intensity was illustrated by several examples of both atomic (Ca, Na) and molecular (OH, AlO, CaF) emission in LIBS and LAMIS, respectively. Especially large emission enhancement was realized for isotopologues 16 OH, 18 OH and 16 OD at the transition A 2 Σ + → X 2 Π i (1-0) with clearly resolved lines of their rotational branches. An increase in rotational temperature from 3370 to 4560 K was measured subsequently to the reheating of plasma by a pulsed electric discharge. Such reheating can be especially useful for the minimally destructive analysis, chemical mapping and depth profiling by LIBS. Enhancement in the emission intensity of CaF can be used for further reduction of the detection limits in fluorine determination. A brief review of the earlier publications on the cross-excitation by an electric pulse after laser ablation is provided and a comparison is made to the similar reheating of the ablation plasma in double-pulse LIBS.},
 bibtype = {article},
 author = {Bol'shakov, Alexander A. and Mao, Xianglei and Russo, Richard E.},
 journal = {J. Anal. At. Spectrom.},
 number = {3}
}

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Enhancement of the emission intensity by a secondary electric pulse following a laser ablation pulse was investigated in application to the chemical analysis by Laser-Induced Breakdown Spectroscopy (LIBS) and Laser Ablation Molecular Isotopic Spectrometry (LAMIS). A stable reheating pulsed discharge pre sumably sustained in a diffuse glow regime at atmospheric pressure was demonstrated as a rational approach to increase the sensitivity of the optical emission analysis over the conventional single-pulse laser ablation techniques. The enhancement in the emission intensity was illustrated by several examples of both atomic (Ca, Na) and molecular (OH, AlO, CaF) emission in LIBS and LAMIS, respectively. Especially large emission enhancement was realized for isotopologues 16 OH, 18 OH and 16 OD at the transition A 2 Σ + → X 2 Π i (1-0) with clearly resolved lines of their rotational branches. An increase in rotational temperature from 3370 to 4560 K was measured subsequently to the reheating of plasma by a pulsed electric discharge. Such reheating can be especially useful for the minimally destructive analysis, chemical mapping and depth profiling by LIBS. Enhancement in the emission intensity of CaF can be used for further reduction of the detection limits in fluorine determination. A brief review of the earlier publications on the cross-excitation by an electric pulse after laser ablation is provided and a comparison is made to the similar reheating of the ablation plasma in double-pulse LIBS.","bibtype":"article","author":"Bol'shakov, Alexander A. and Mao, Xianglei and Russo, Richard E.","journal":"J. Anal. At. 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Enhancement of the emission intensity by a secondary electric pulse following a laser ablation pulse was investigated in application to the chemical analysis by Laser-Induced Breakdown Spectroscopy (LIBS) and Laser Ablation Molecular Isotopic Spectrometry (LAMIS). A stable reheating pulsed discharge pre sumably sustained in a diffuse glow regime at atmospheric pressure was demonstrated as a rational approach to increase the sensitivity of the optical emission analysis over the conventional single-pulse laser ablation techniques. The enhancement in the emission intensity was illustrated by several examples of both atomic (Ca, Na) and molecular (OH, AlO, CaF) emission in LIBS and LAMIS, respectively. Especially large emission enhancement was realized for isotopologues 16 OH, 18 OH and 16 OD at the transition A 2 Σ + → X 2 Π i (1-0) with clearly resolved lines of their rotational branches. 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