Infrared nanosecond laser-metal ablation in atmosphere: Initial plasma during laser pulse and further expansion
We have investigated the dynamics of the nanosecond laser ablated plasma within and after the laser pulse irradiation using fast photography. A 1064 nm, 15 ns laser beam was focused onto a target made from various materials with an energy density in the order of J/mm2 in atmosphere. The plasma dynam...
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| Veröffentlicht in: | Applied physics letters 2013-04, Vol.102 (16) |
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| container_title | Applied physics letters |
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| creator | Wu, Jian Wei, Wenfu Li, Xingwen Jia, Shenli Qiu, Aici |
| description | We have investigated the dynamics of the nanosecond laser ablated plasma within and after the laser pulse irradiation using fast photography. A 1064 nm, 15 ns laser beam was focused onto a target made from various materials with an energy density in the order of J/mm2 in atmosphere. The plasma dynamics during the nanosecond laser pulse were observed, which could be divided into three stages: fast expansion, division into the primary plasma and the front plasma, and stagnation. After the laser terminated, a critical moment when the primary plasma expansion transited from the shock model to the drag model was resolved, and this phenomenon could be understood in terms of interactions between the primary and the front plasmas. |
| doi_str_mv | 10.1063/1.4803044 |
| format | Article |
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A 1064 nm, 15 ns laser beam was focused onto a target made from various materials with an energy density in the order of J/mm2 in atmosphere. The plasma dynamics during the nanosecond laser pulse were observed, which could be divided into three stages: fast expansion, division into the primary plasma and the front plasma, and stagnation. After the laser terminated, a critical moment when the primary plasma expansion transited from the shock model to the drag model was resolved, and this phenomenon could be understood in terms of interactions between the primary and the front plasmas.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4803044</identifier><language>eng</language><publisher>United States</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; ABLATION ; ATMOSPHERES ; BEAMS ; ENERGY DENSITY ; INFRARED RADIATION ; INTERACTIONS ; LASER RADIATION ; LASER-PRODUCED PLASMA ; LIGHT TRANSMISSION ; METALS ; PLASMA DIAGNOSTICS ; PLASMA EXPANSION ; PULSED IRRADIATION ; PULSES ; SHOCK WAVES ; STAGNATION</subject><ispartof>Applied physics letters, 2013-04, Vol.102 (16)</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-72e27fe0970984e2544e45aeace1716f4d7a4c55ccedf084e31116796bf439823</citedby><cites>FETCH-LOGICAL-c358t-72e27fe0970984e2544e45aeace1716f4d7a4c55ccedf084e31116796bf439823</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,781,785,886,27929,27930</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22162864$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Wu, Jian</creatorcontrib><creatorcontrib>Wei, Wenfu</creatorcontrib><creatorcontrib>Li, Xingwen</creatorcontrib><creatorcontrib>Jia, Shenli</creatorcontrib><creatorcontrib>Qiu, Aici</creatorcontrib><title>Infrared nanosecond laser-metal ablation in atmosphere: Initial plasma during laser pulse and further expansion</title><title>Applied physics letters</title><description>We have investigated the dynamics of the nanosecond laser ablated plasma within and after the laser pulse irradiation using fast photography. A 1064 nm, 15 ns laser beam was focused onto a target made from various materials with an energy density in the order of J/mm2 in atmosphere. The plasma dynamics during the nanosecond laser pulse were observed, which could be divided into three stages: fast expansion, division into the primary plasma and the front plasma, and stagnation. After the laser terminated, a critical moment when the primary plasma expansion transited from the shock model to the drag model was resolved, and this phenomenon could be understood in terms of interactions between the primary and the front plasmas.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>ABLATION</subject><subject>ATMOSPHERES</subject><subject>BEAMS</subject><subject>ENERGY DENSITY</subject><subject>INFRARED RADIATION</subject><subject>INTERACTIONS</subject><subject>LASER RADIATION</subject><subject>LASER-PRODUCED PLASMA</subject><subject>LIGHT TRANSMISSION</subject><subject>METALS</subject><subject>PLASMA DIAGNOSTICS</subject><subject>PLASMA EXPANSION</subject><subject>PULSED IRRADIATION</subject><subject>PULSES</subject><subject>SHOCK WAVES</subject><subject>STAGNATION</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNotkEtLAzEUhYMoWKsL_0HAlYupec1kxp0UH4WCG12H28yNjcxkhiQF_fdG2tXlcr5z4BxCbjlbcdbIB75SLZNMqTOy4EzrSnLenpMFY0xWTVfzS3KV0nd5ayHlgkyb4CJE7GmAMCW0U-jpAAljNWKGgcJugOynQH2gkMcpzXuM-Eg3wWdf9LnAI9D-EH34OjrpfBgSUihJ7hBz4Sn-zBBSibkmFw6KenO6S_L58vyxfqu276-b9dO2srJuc6UFCu2QdZp1rUJRK4WqBgSLXPPGqV6DsnVtLfaOFaLU5I3ump1TsmuFXJK7Y-6UsjfJ-ox2X8oFtNkIwRvRNqpQ90fKximliM7M0Y8Qfw1n5n9Pw81pT_kHHlNogg</recordid><startdate>20130422</startdate><enddate>20130422</enddate><creator>Wu, Jian</creator><creator>Wei, Wenfu</creator><creator>Li, Xingwen</creator><creator>Jia, Shenli</creator><creator>Qiu, Aici</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20130422</creationdate><title>Infrared nanosecond laser-metal ablation in atmosphere: Initial plasma during laser pulse and further expansion</title><author>Wu, Jian ; Wei, Wenfu ; Li, Xingwen ; Jia, Shenli ; Qiu, Aici</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-72e27fe0970984e2544e45aeace1716f4d7a4c55ccedf084e31116796bf439823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>ABLATION</topic><topic>ATMOSPHERES</topic><topic>BEAMS</topic><topic>ENERGY DENSITY</topic><topic>INFRARED RADIATION</topic><topic>INTERACTIONS</topic><topic>LASER RADIATION</topic><topic>LASER-PRODUCED PLASMA</topic><topic>LIGHT TRANSMISSION</topic><topic>METALS</topic><topic>PLASMA DIAGNOSTICS</topic><topic>PLASMA EXPANSION</topic><topic>PULSED IRRADIATION</topic><topic>PULSES</topic><topic>SHOCK WAVES</topic><topic>STAGNATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Jian</creatorcontrib><creatorcontrib>Wei, Wenfu</creatorcontrib><creatorcontrib>Li, Xingwen</creatorcontrib><creatorcontrib>Jia, Shenli</creatorcontrib><creatorcontrib>Qiu, Aici</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Jian</au><au>Wei, Wenfu</au><au>Li, Xingwen</au><au>Jia, Shenli</au><au>Qiu, Aici</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Infrared nanosecond laser-metal ablation in atmosphere: Initial plasma during laser pulse and further expansion</atitle><jtitle>Applied physics letters</jtitle><date>2013-04-22</date><risdate>2013</risdate><volume>102</volume><issue>16</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>We have investigated the dynamics of the nanosecond laser ablated plasma within and after the laser pulse irradiation using fast photography. A 1064 nm, 15 ns laser beam was focused onto a target made from various materials with an energy density in the order of J/mm2 in atmosphere. The plasma dynamics during the nanosecond laser pulse were observed, which could be divided into three stages: fast expansion, division into the primary plasma and the front plasma, and stagnation. After the laser terminated, a critical moment when the primary plasma expansion transited from the shock model to the drag model was resolved, and this phenomenon could be understood in terms of interactions between the primary and the front plasmas.</abstract><cop>United States</cop><doi>10.1063/1.4803044</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Applied physics letters, 2013-04, Vol.102 (16) |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_osti_scitechconnect_22162864 |
| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ABLATION ATMOSPHERES BEAMS ENERGY DENSITY INFRARED RADIATION INTERACTIONS LASER RADIATION LASER-PRODUCED PLASMA LIGHT TRANSMISSION METALS PLASMA DIAGNOSTICS PLASMA EXPANSION PULSED IRRADIATION PULSES SHOCK WAVES STAGNATION |
| title | Infrared nanosecond laser-metal ablation in atmosphere: Initial plasma during laser pulse and further expansion |
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