Residual thermal effects in Al following single ns- and fs-laser pulse ablation
A comparative study of residual thermal effects in aluminum following ns- and fs-laser ablation shows a surprisingly similar trend in their behavior, despite many differences between ns and fs laser-matter interactions. At laser fluences above the ablation threshold where plasmas are produced and at...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2006-02, Vol.82 (2), p.357-362 |
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| container_end_page | 362 |
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| container_issue | 2 |
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| container_title | Applied physics. A, Materials science & processing |
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| creator | VOROBYEV, A. Y KUZMICHEV, V. M KOKODY, N. G KOHNS, P DAI, J CHUNLEI GUO |
| description | A comparative study of residual thermal effects in aluminum following ns- and fs-laser ablation shows a surprisingly similar trend in their behavior, despite many differences between ns and fs laser-matter interactions. At laser fluences above the ablation threshold where plasmas are produced and at a sufficiently high ambient gas pressure, an enhanced coupling of pulsed laser energy to the sample occurs. This effect appears to be a universal phenomenon for both ns- and fs-laser ablation in gas media. Furthermore, in contrast to the common belief that residual thermal energy is negligible in fs-laser ablation, our study shows that up to 70% of the incident pulse energy can be retained in the sample following single-pulse fs-laserablation in 1-atm air. In both ns- and fs-laser ablation, the major factors governing thermal energy coupling to the sample are the laser fluence and ambient gas pressure. Residual thermal energy deposition decreases with reducing ambient gas pressure. |
| doi_str_mv | 10.1007/s00339-005-3412-0 |
| format | Article |
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In both ns- and fs-laser ablation, the major factors governing thermal energy coupling to the sample are the laser fluence and ambient gas pressure. 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G</creatorcontrib><creatorcontrib>KOHNS, P</creatorcontrib><creatorcontrib>DAI, J</creatorcontrib><creatorcontrib>CHUNLEI GUO</creatorcontrib><title>Residual thermal effects in Al following single ns- and fs-laser pulse ablation</title><title>Applied physics. A, Materials science & processing</title><description>A comparative study of residual thermal effects in aluminum following ns- and fs-laser ablation shows a surprisingly similar trend in their behavior, despite many differences between ns and fs laser-matter interactions. At laser fluences above the ablation threshold where plasmas are produced and at a sufficiently high ambient gas pressure, an enhanced coupling of pulsed laser energy to the sample occurs. This effect appears to be a universal phenomenon for both ns- and fs-laser ablation in gas media. Furthermore, in contrast to the common belief that residual thermal energy is negligible in fs-laser ablation, our study shows that up to 70% of the incident pulse energy can be retained in the sample following single-pulse fs-laserablation in 1-atm air. In both ns- and fs-laser ablation, the major factors governing thermal energy coupling to the sample are the laser fluence and ambient gas pressure. Residual thermal energy deposition decreases with reducing ambient gas pressure.</description><subject>Ablation</subject><subject>Aluminum</subject><subject>Applied physics</subject><subject>Atomic, molecular, and ion beam impact and interactions with surfaces</subject><subject>Comparative studies</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Coupling</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Electron and ion emission by liquids and solids; impact phenomena</subject><subject>Exact sciences and technology</subject><subject>Fluence</subject><subject>Gas pressure</subject><subject>Impact phenomena (including electron spectra and sputtering)</subject><subject>Laser ablation</subject><subject>Lasers</subject><subject>Materials science</subject><subject>Physics</subject><subject>Plasmas (physics)</subject><subject>Pulsed lasers</subject><subject>Residual energy</subject><subject>Surface treatments</subject><subject>Temperature effects</subject><subject>Thermal energy</subject><issn>0947-8396</issn><issn>1432-0630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNpFUNtKAzEQDaJgrX6AbwHxMZpbk81jKd6gUBB9DpPdRLek2ZrsIv69kRacgZlhmHNm5iB0zegdo1TfF0qFMITSBRGScUJP0IxJUQsl6CmaUSM1aYRR5-iilC2tJjmfoc2rL303QcTjp8-7mn0Ivh0L7hNeRhyGGIfvPn3gUkP0OBWCIXU4FBKh-Iz3Uyweg4sw9kO6RGcBauPqmOfo_fHhbfVM1punl9VyTVqhzEg6bVzDm4XhUnPlPAUZwMiFbwynQXIvdHUAUM5x5pzrOgNe81Y33PmuEXN0c-Dd5-Fr8mW022HKqa60XJr6s2KNqlPsMNXmoZTsg93nfgf5xzJq_3SzB91s1c3-6WZpxdwemaG0EEOG1PblH6hVPdoI8Qs4d2zA</recordid><startdate>20060201</startdate><enddate>20060201</enddate><creator>VOROBYEV, A. 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Y</creatorcontrib><creatorcontrib>KUZMICHEV, V. M</creatorcontrib><creatorcontrib>KOKODY, N. G</creatorcontrib><creatorcontrib>KOHNS, P</creatorcontrib><creatorcontrib>DAI, J</creatorcontrib><creatorcontrib>CHUNLEI GUO</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Applied physics. A, Materials science & processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>VOROBYEV, A. Y</au><au>KUZMICHEV, V. M</au><au>KOKODY, N. G</au><au>KOHNS, P</au><au>DAI, J</au><au>CHUNLEI GUO</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Residual thermal effects in Al following single ns- and fs-laser pulse ablation</atitle><jtitle>Applied physics. A, Materials science & processing</jtitle><date>2006-02-01</date><risdate>2006</risdate><volume>82</volume><issue>2</issue><spage>357</spage><epage>362</epage><pages>357-362</pages><issn>0947-8396</issn><eissn>1432-0630</eissn><abstract>A comparative study of residual thermal effects in aluminum following ns- and fs-laser ablation shows a surprisingly similar trend in their behavior, despite many differences between ns and fs laser-matter interactions. At laser fluences above the ablation threshold where plasmas are produced and at a sufficiently high ambient gas pressure, an enhanced coupling of pulsed laser energy to the sample occurs. This effect appears to be a universal phenomenon for both ns- and fs-laser ablation in gas media. Furthermore, in contrast to the common belief that residual thermal energy is negligible in fs-laser ablation, our study shows that up to 70% of the incident pulse energy can be retained in the sample following single-pulse fs-laserablation in 1-atm air. In both ns- and fs-laser ablation, the major factors governing thermal energy coupling to the sample are the laser fluence and ambient gas pressure. Residual thermal energy deposition decreases with reducing ambient gas pressure.</abstract><cop>Berlin</cop><pub>Springer</pub><doi>10.1007/s00339-005-3412-0</doi><tpages>6</tpages></addata></record> |
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| ispartof | Applied physics. A, Materials science & processing, 2006-02, Vol.82 (2), p.357-362 |
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| subjects | Ablation Aluminum Applied physics Atomic, molecular, and ion beam impact and interactions with surfaces Comparative studies Condensed matter: electronic structure, electrical, magnetic, and optical properties Coupling Cross-disciplinary physics: materials science rheology Electron and ion emission by liquids and solids impact phenomena Exact sciences and technology Fluence Gas pressure Impact phenomena (including electron spectra and sputtering) Laser ablation Lasers Materials science Physics Plasmas (physics) Pulsed lasers Residual energy Surface treatments Temperature effects Thermal energy |
| title | Residual thermal effects in Al following single ns- and fs-laser pulse ablation |
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