PittsburghV1, Hal, Corpus, bibRecord, 000358

Laser-induced breakdown spectroscopy enhanced by a micro torch

Identifieur interne : 000358 ( Hal/Corpus ); précédent : 000357; suivant : 000359

Laser-induced breakdown spectroscopy enhanced by a micro torch

Auteurs : Lei Liu ; Xi Huang ; Shuo Li ; Yao Lu ; Kevin Chen ; Lan Jiang ; Jean-François Silvain ; Yong Feng Lu

Source :

Optics Express [ 1094-4087 ] ; 2015.

RBID : Hal:hal-01160308

Abstract

A commercial butane micron troch was used to enhance plasma optical emissions in laser-induced breakdown spectroscopy (LIBS). Fast imaging and spectroscopic analyses were used to observe plasma evolution in the atmospheric pressure for LIBS without and with using a micro torch. Optical emission intensities and signal-to-noise ratios (SNRs) as functions of delay time were studied. Enhanced optical emission and SNRs were obtained by using a micro torch. The effects of laser pulse energy on the emission intensities and SNRs were studied. The same spectral intensity could be obtained using micro torch with much lower laser pulse energy. The investigation of SNR evolution with delay time at different laser pulse energies showed that the SNR enhancement factor is higher for plasmas generated by lower laser pulse energies than those generated by higher laser energies. The calibration curves of emission line intensities with elemental concentrations showed that detection sensitivities of Mn I 404.136 nm and V I 437.923 nm were improved by around 3 times. The limits of detection for both Mn I 404.136 nm and V I 437.923 nm are reduced from 425 and 42 ppm to 139 and 20 ppm, respectively, after using the micro torch. The LIBS system with micro torch was demonstrated to be cost-effective, compact, and capable of sensitivity improvement, especially for LIBS system operating with low laser pulse energy.

Url:

https://hal.archives-ouvertes.fr/hal-01160308

DOI: 10.1364/OE.23.015047

Links to Exploration step

Hal:hal-01160308

Le document en format XML

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<front><div type="abstract" xml:lang="en">A commercial butane micron troch was used to enhance plasma optical emissions in laser-induced breakdown spectroscopy (LIBS). Fast imaging and spectroscopic analyses were used to observe plasma evolution in the atmospheric pressure for LIBS without and with using a micro torch. Optical emission intensities and signal-to-noise ratios (SNRs) as functions of delay time were studied. Enhanced optical emission and SNRs were obtained by using a micro torch. The effects of laser pulse energy on the emission intensities and SNRs were studied. The same spectral intensity could be obtained using micro torch with much lower laser pulse energy. The investigation of SNR evolution with delay time at different laser pulse energies showed that the SNR enhancement factor is higher for plasmas generated by lower laser pulse energies than those generated by higher laser energies. The calibration curves of emission line intensities with elemental concentrations showed that detection sensitivities of Mn I 404.136 nm and V I 437.923 nm were improved by around 3 times. The limits of detection for both Mn I 404.136 nm and V I 437.923 nm are reduced from 425 and 42 ppm to 139 and 20 ppm, respectively, after using the micro torch. The LIBS system with micro torch was demonstrated to be cost-effective, compact, and capable of sensitivity improvement, especially for LIBS system operating with low laser pulse energy.</div>
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            <idno type="halRefHtml">Optics Express, Optical Society of America, 2015, 23 (11), pp.15047-15056. 〈10.1364/OE.23.015047〉</idno>
            <idno type="halRef">Optics Express, Optical Society of America, 2015, 23 (11), pp.15047-15056. 〈10.1364/OE.23.015047〉</idno>
          </publicationStmt>
          <seriesStmt>            <idno type="stamp" n="ICMCB">Institut de chimie de la matière condensée de Bordeaux</idno>
            <idno type="stamp" n="CNRS">CNRS - Centre national de la recherche scientifique</idno>
            <idno type="stamp" n="INC-CNRS">Institut de Chimie du CNRS</idno>
          </seriesStmt>
          <notesStmt>            <note type="audience" n="2">International</note>
            <note type="popular" n="0">No</note>
            <note type="peer" n="1">Yes</note>
          </notesStmt>
          <sourceDesc>            <biblStruct>              <analytic>                <title xml:lang="en">Laser-induced breakdown spectroscopy enhanced by a micro torch</title>
                <author role="aut">                  <persName>                    <forename type="first">Lei</forename>
                    <surname>Liu</surname>
                  </persName>
                  <idno type="halauthorid">936757</idno>
                  <affiliation ref="#struct-174051"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Xi</forename>
                    <surname>Huang</surname>
                  </persName>
                  <idno type="halauthorid">166553</idno>
                  <affiliation ref="#struct-174051"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Shuo</forename>
                    <surname>Li</surname>
                  </persName>
                  <idno type="halauthorid">1167774</idno>
                  <affiliation ref="#struct-420060"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Yao</forename>
                    <surname>Lu</surname>
                  </persName>
                  <idno type="halauthorid">908148</idno>
                  <affiliation ref="#struct-174051"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Kevin</forename>
                    <surname>Chen</surname>
                  </persName>
                  <idno type="halauthorid">1167775</idno>
                  <affiliation ref="#struct-420060"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Lan</forename>
                    <surname>Jiang</surname>
                  </persName>
                  <idno type="halauthorid">1021976</idno>
                  <affiliation ref="#struct-246568"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Jean-François</forename>
                    <surname>Silvain</surname>
                  </persName>
                  <idno type="halauthorid">73527</idno>
                  <affiliation ref="#struct-481"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Yong Feng</forename>
                    <surname>Lu</surname>
                  </persName>
                  <idno type="halauthorid">1021977</idno>
                  <affiliation ref="#struct-174051"></affiliation>
                </author>
              </analytic>
              <monogr>                <idno type="localRef">15077</idno>
                <idno type="halJournalId" status="VALID">1882</idno>
                <idno type="issn">1094-4087</idno>
                <title level="j">Optics Express</title>
                <imprint>                  <publisher>Optical Society of America</publisher>
                  <biblScope unit="volume">23</biblScope>
                  <biblScope unit="issue">11</biblScope>
                  <biblScope unit="pp">15047-15056</biblScope>
                  <date type="datePub">2015</date>
                </imprint>
              </monogr>
              <idno type="doi">10.1364/OE.23.015047</idno>
            </biblStruct>
          </sourceDesc>
          <profileDesc>            <langUsage>              <language ident="en">English</language>
            </langUsage>
            <textClass>              <classCode scheme="halDomain" n="chim.mate">Chemical Sciences/Material chemistry</classCode>
              <classCode scheme="halTypology" n="ART">Journal articles</classCode>
            </textClass>
            <abstract xml:lang="en">A commercial butane micron troch was used to enhance plasma optical emissions in laser-induced breakdown spectroscopy (LIBS). Fast imaging and spectroscopic analyses were used to observe plasma evolution in the atmospheric pressure for LIBS without and with using a micro torch. Optical emission intensities and signal-to-noise ratios (SNRs) as functions of delay time were studied. Enhanced optical emission and SNRs were obtained by using a micro torch. The effects of laser pulse energy on the emission intensities and SNRs were studied. The same spectral intensity could be obtained using micro torch with much lower laser pulse energy. The investigation of SNR evolution with delay time at different laser pulse energies showed that the SNR enhancement factor is higher for plasmas generated by lower laser pulse energies than those generated by higher laser energies. The calibration curves of emission line intensities with elemental concentrations showed that detection sensitivities of Mn I 404.136 nm and V I 437.923 nm were improved by around 3 times. The limits of detection for both Mn I 404.136 nm and V I 437.923 nm are reduced from 425 and 42 ppm to 139 and 20 ppm, respectively, after using the micro torch. The LIBS system with micro torch was demonstrated to be cost-effective, compact, and capable of sensitivity improvement, especially for LIBS system operating with low laser pulse energy.</abstract>
          </profileDesc>
        </hal>
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Laser-induced breakdown spectroscopy enhanced by a micro torch

Laser-induced breakdown spectroscopy enhanced by a micro torch

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