Efficient generation of acoustic pressure waves by short laser pulses
Identifieur interne : 000C99 ( Istex/Corpus ); précédent : 000C98; suivant : 000D00Efficient generation of acoustic pressure waves by short laser pulses
Auteurs : S. Fassbender ; B. Hoffmann ; W. ArnoldSource :
- Materials Science & Engineering A [ 0921-5093 ] ; 1989.
English descriptors
- Teeft :
- Ablation, Acoustic, Acoustic axis, Acoustic pressure waves, Acoustic waveform, Aluminium, Aluminium sample, Broad band measurement, Bulk waves, Capacitance transducer, Constant laser energy, Directivity pattern, Efficient generation, Experimental arrangement, Generation mechanism, Incident laser energy, Incident laser power density, Laser, Laser beam, Laser energy, Laser intensity, Laser irradiation, Laser power density, Laser pulse envelope, Material ablation, Material ablation threshold, Materials evaluation, Momentum transfer, Normal force, Power density, Pressure pulse, Sample surface, Shear wave velocity, Shear waves, Sound path, Steel sample, Thermoelastic, Thermoelastic features, Vertical displacement, Wave velocity, Waveform.
Abstract
The displacement of laser-generated ultrasonic bulk waves in polycrystalline metal samples consists of signals travelling with pressure wave velocity as well as with shear wave velocity. The waveform obtained depends on the incident laser power density and the laser energy. It is found that there is a specific power density I0 at which only a maximum pressure pulse is generated whose magnitude is proportional to the laser energy. Furthermore, the angular distribution of the pressure pulse shows that most of the acoustic energy is radiated in the forward direction. The Fourier spectrum of the pressure pulse is also evaluated.
Url:
DOI: 10.1016/0921-5093(89)90768-5
Links to Exploration step
ISTEX:7BF9873712F40846F60B67CF1BD08FDE6315D184Le document en format XML
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Arnold</name><affiliation><mods:affiliation>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:7BF9873712F40846F60B67CF1BD08FDE6315D184</idno><date when="1989" year="1989">1989</date><idno type="doi">10.1016/0921-5093(89)90768-5</idno><idno type="url">https://api.istex.fr/document/7BF9873712F40846F60B67CF1BD08FDE6315D184/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000C99</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000C99</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Efficient generation of acoustic pressure waves by short laser pulses</title><author><name sortKey="Fassbender, S" sort="Fassbender, S" uniqKey="Fassbender S" first="S." last="Fassbender">S. Fassbender</name><affiliation><mods:affiliation>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</mods:affiliation></affiliation></author><author><name sortKey="Hoffmann, B" sort="Hoffmann, B" uniqKey="Hoffmann B" first="B." last="Hoffmann">B. Hoffmann</name><affiliation><mods:affiliation>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</mods:affiliation></affiliation></author><author><name sortKey="Arnold, W" sort="Arnold, W" uniqKey="Arnold W" first="W." last="Arnold">W. Arnold</name><affiliation><mods:affiliation>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Materials Science & Engineering A</title><title level="j" type="abbrev">MSA</title><idno type="ISSN">0921-5093</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1989">1989</date><biblScope unit="volume">122</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="37">37</biblScope><biblScope unit="page" to="41">41</biblScope></imprint><idno type="ISSN">0921-5093</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0921-5093</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Ablation</term><term>Acoustic</term><term>Acoustic axis</term><term>Acoustic pressure waves</term><term>Acoustic waveform</term><term>Aluminium</term><term>Aluminium sample</term><term>Broad band measurement</term><term>Bulk waves</term><term>Capacitance transducer</term><term>Constant laser energy</term><term>Directivity pattern</term><term>Efficient generation</term><term>Experimental arrangement</term><term>Generation mechanism</term><term>Incident laser energy</term><term>Incident laser power density</term><term>Laser</term><term>Laser beam</term><term>Laser energy</term><term>Laser intensity</term><term>Laser irradiation</term><term>Laser power density</term><term>Laser pulse envelope</term><term>Material ablation</term><term>Material ablation threshold</term><term>Materials evaluation</term><term>Momentum transfer</term><term>Normal force</term><term>Power density</term><term>Pressure pulse</term><term>Sample surface</term><term>Shear wave velocity</term><term>Shear waves</term><term>Sound path</term><term>Steel sample</term><term>Thermoelastic</term><term>Thermoelastic features</term><term>Vertical displacement</term><term>Wave velocity</term><term>Waveform</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The displacement of laser-generated ultrasonic bulk waves in polycrystalline metal samples consists of signals travelling with pressure wave velocity as well as with shear wave velocity. The waveform obtained depends on the incident laser power density and the laser energy. It is found that there is a specific power density I0 at which only a maximum pressure pulse is generated whose magnitude is proportional to the laser energy. Furthermore, the angular distribution of the pressure pulse shows that most of the acoustic energy is radiated in the forward direction. The Fourier spectrum of the pressure pulse is also evaluated.</div></front></TEI><istex><corpusName>elsevier</corpusName><keywords><teeft><json:string>laser</json:string><json:string>waveform</json:string><json:string>power density</json:string><json:string>aluminium</json:string><json:string>thermoelastic</json:string><json:string>laser energy</json:string><json:string>acoustic</json:string><json:string>momentum transfer</json:string><json:string>vertical displacement</json:string><json:string>pressure pulse</json:string><json:string>sample surface</json:string><json:string>incident laser power density</json:string><json:string>material ablation</json:string><json:string>steel sample</json:string><json:string>bulk waves</json:string><json:string>laser intensity</json:string><json:string>laser power density</json:string><json:string>laser beam</json:string><json:string>acoustic axis</json:string><json:string>material ablation threshold</json:string><json:string>incident laser energy</json:string><json:string>ablation</json:string><json:string>shear wave velocity</json:string><json:string>acoustic pressure waves</json:string><json:string>experimental arrangement</json:string><json:string>laser irradiation</json:string><json:string>capacitance transducer</json:string><json:string>generation mechanism</json:string><json:string>wave velocity</json:string><json:string>broad band measurement</json:string><json:string>acoustic waveform</json:string><json:string>efficient generation</json:string><json:string>aluminium sample</json:string><json:string>thermoelastic features</json:string><json:string>shear waves</json:string><json:string>materials evaluation</json:string><json:string>constant laser energy</json:string><json:string>sound path</json:string><json:string>directivity pattern</json:string><json:string>laser pulse envelope</json:string><json:string>normal force</json:string></teeft></keywords><author><json:item><name>S. Fassbender</name><affiliations><json:string>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</json:string></affiliations></json:item><json:item><name>B. Hoffmann</name><affiliations><json:string>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</json:string></affiliations></json:item><json:item><name>W. Arnold</name><affiliations><json:string>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</json:string></affiliations></json:item></author><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>The displacement of laser-generated ultrasonic bulk waves in polycrystalline metal samples consists of signals travelling with pressure wave velocity as well as with shear wave velocity. The waveform obtained depends on the incident laser power density and the laser energy. It is found that there is a specific power density I0 at which only a maximum pressure pulse is generated whose magnitude is proportional to the laser energy. Furthermore, the angular distribution of the pressure pulse shows that most of the acoustic energy is radiated in the forward direction. The Fourier spectrum of the pressure pulse is also evaluated.</abstract><qualityIndicators><score>3.543</score><pdfVersion>1.2</pdfVersion><pdfPageSize>591 x 778 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>0</keywordCount><abstractCharCount>632</abstractCharCount><pdfWordCount>2355</pdfWordCount><pdfCharCount>13527</pdfCharCount><pdfPageCount>5</pdfPageCount><abstractWordCount>99</abstractWordCount></qualityIndicators><title>Efficient generation of acoustic pressure waves by short laser pulses</title><pii><json:string>0921-5093(89)90768-5</json:string></pii><genre><json:string>research-article</json:string></genre><serie><title>unpublished</title><language><json:string>unknown</json:string></language></serie><host><title>Materials Science & Engineering A</title><language><json:string>unknown</json:string></language><publicationDate>1989</publicationDate><issn><json:string>0921-5093</json:string></issn><pii><json:string>S0921-5093(00)X0160-8</json:string></pii><volume>122</volume><issue>1</issue><pages><first>37</first><last>41</last></pages><genre><json:string>journal</json:string></genre><conference><json:item><name>Symposium C on Acoustic, Thermal Wave and Optical Characterization of Materials of the E-MRS Conference , Strasbourg, France 19890530 19890602</name></json:item></conference><editor><json:item><name>G.M. 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It is found that there is a specific power density I0 at which only a maximum pressure pulse is generated whose magnitude is proportional to the laser energy. Furthermore, the angular distribution of the pressure pulse shows that most of the acoustic energy is radiated in the forward direction. 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The waveform obtained depends on the incident laser power density and the laser energy. It is found that there is a specific power density I<ce:inf>0</ce:inf> at which only a maximum pressure pulse is generated whose magnitude is proportional to the laser energy. Furthermore, the angular distribution of the pressure pulse shows that most of the acoustic energy is radiated in the forward direction. The Fourier spectrum of the pressure pulse is also evaluated.</ce:simple-para></ce:abstract-sec></ce:abstract></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Efficient generation of acoustic pressure waves by short laser pulses</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Efficient generation of acoustic pressure waves by short laser pulses</title></titleInfo><name type="personal"><namePart type="given">S.</namePart><namePart type="family">Fassbender</namePart><affiliation>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">B.</namePart><namePart type="family">Hoffmann</namePart><affiliation>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">W.</namePart><namePart type="family">Arnold</namePart><affiliation>Fraunhofer-Institute for Non-Destructive Testing, Bldg. 37, University, D-6600 Saarbrücken 11 F.R.G.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1989</dateIssued><copyrightDate encoding="w3cdtf">1989</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">The displacement of laser-generated ultrasonic bulk waves in polycrystalline metal samples consists of signals travelling with pressure wave velocity as well as with shear wave velocity. The waveform obtained depends on the incident laser power density and the laser energy. It is found that there is a specific power density I0 at which only a maximum pressure pulse is generated whose magnitude is proportional to the laser energy. Furthermore, the angular distribution of the pressure pulse shows that most of the acoustic energy is radiated in the forward direction. The Fourier spectrum of the pressure pulse is also evaluated.</abstract><relatedItem type="host"><titleInfo><title>Materials Science & Engineering A</title></titleInfo><titleInfo type="abbreviated"><title>MSA</title></titleInfo><name type="conference"><namePart>Symposium C on Acoustic, Thermal Wave and Optical Characterization of Materials of the E-MRS Conference , Strasbourg, France</namePart><namePart type="date">19890530</namePart><namePart type="date">19890602</namePart></name><name type="personal"><namePart>G.M. 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