High pressure generation by hot electrons driven ablation
A previous model [Piriz et al. Phys. Plasmas 19, 122705 (2012)] for the ablation driven by the hot electrons generated in collisionless laser-plasma interactions in the framework of shock ignition is revisited. The impact of recent results indicating that for a laser wavelength λ = 0.35 μm the hot e...
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| Veröffentlicht in: | Physics of plasmas 2013-11, Vol.20 (11) |
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| container_title | Physics of plasmas |
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| creator | Piriz, A. R. Piriz, S. A. Tahir, N. A. |
| description | A previous model [Piriz et al. Phys. Plasmas 19, 122705 (2012)] for the ablation driven by the hot electrons generated in collisionless laser-plasma interactions in the framework of shock ignition is revisited. The impact of recent results indicating that for a laser wavelength λ = 0.35 μm the hot electron temperature θH would be independent of the laser intensity I, on the resulting ablation pressure is considered. In comparison with the case when the scaling law θH∼(Iλ2)1/3 is assumed, the generation of the high pressures needed for driving the ignitor shock may be more demanding. Intensities above 1017 W/cm2 would be required for θH=25−30 keV. |
| doi_str_mv | 10.1063/1.4833680 |
| format | Article |
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R. ; Piriz, S. A. ; Tahir, N. A.</creator><creatorcontrib>Piriz, A. R. ; Piriz, S. A. ; Tahir, N. A.</creatorcontrib><description>A previous model [Piriz et al. Phys. Plasmas 19, 122705 (2012)] for the ablation driven by the hot electrons generated in collisionless laser-plasma interactions in the framework of shock ignition is revisited. The impact of recent results indicating that for a laser wavelength λ = 0.35 μm the hot electron temperature θH would be independent of the laser intensity I, on the resulting ablation pressure is considered. In comparison with the case when the scaling law θH∼(Iλ2)1/3 is assumed, the generation of the high pressures needed for driving the ignitor shock may be more demanding. Intensities above 1017 W/cm2 would be required for θH=25−30 keV.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.4833680</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>07 ISOTOPES AND RADIATION SOURCES ; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; ABLATION ; BEAM-PLASMA SYSTEMS ; COMPARATIVE EVALUATIONS ; Electron energy ; ELECTRON TEMPERATURE ; ELECTRONS ; Hot electrons ; Ignition ; ION TEMPERATURE ; KEV RANGE ; Laser plasma interactions ; LASER RADIATION ; LASERS ; Law ; LIGHT TRANSMISSION ; MATERIALS SCIENCE ; PLASMA ; Plasma interactions ; Plasma physics ; PLASMA PRESSURE ; Plasmas ; Plasmas (physics) ; SCALING LAWS ; THERMONUCLEAR IGNITION ; Wavelengths</subject><ispartof>Physics of plasmas, 2013-11, Vol.20 (11)</ispartof><rights>2013 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c318t-7357493825b4597af0a8436d5d89f9493f62045dde55a1158206e3e9f195fdf63</citedby><cites>FETCH-LOGICAL-c318t-7357493825b4597af0a8436d5d89f9493f62045dde55a1158206e3e9f195fdf63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27903,27904</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22218433$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Piriz, A. R.</creatorcontrib><creatorcontrib>Piriz, S. A.</creatorcontrib><creatorcontrib>Tahir, N. A.</creatorcontrib><title>High pressure generation by hot electrons driven ablation</title><title>Physics of plasmas</title><description>A previous model [Piriz et al. Phys. Plasmas 19, 122705 (2012)] for the ablation driven by the hot electrons generated in collisionless laser-plasma interactions in the framework of shock ignition is revisited. The impact of recent results indicating that for a laser wavelength λ = 0.35 μm the hot electron temperature θH would be independent of the laser intensity I, on the resulting ablation pressure is considered. In comparison with the case when the scaling law θH∼(Iλ2)1/3 is assumed, the generation of the high pressures needed for driving the ignitor shock may be more demanding. Intensities above 1017 W/cm2 would be required for θH=25−30 keV.</description><subject>07 ISOTOPES AND RADIATION SOURCES</subject><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>ABLATION</subject><subject>BEAM-PLASMA SYSTEMS</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>Electron energy</subject><subject>ELECTRON TEMPERATURE</subject><subject>ELECTRONS</subject><subject>Hot electrons</subject><subject>Ignition</subject><subject>ION TEMPERATURE</subject><subject>KEV RANGE</subject><subject>Laser plasma interactions</subject><subject>LASER RADIATION</subject><subject>LASERS</subject><subject>Law</subject><subject>LIGHT TRANSMISSION</subject><subject>MATERIALS SCIENCE</subject><subject>PLASMA</subject><subject>Plasma interactions</subject><subject>Plasma physics</subject><subject>PLASMA PRESSURE</subject><subject>Plasmas</subject><subject>Plasmas (physics)</subject><subject>SCALING LAWS</subject><subject>THERMONUCLEAR IGNITION</subject><subject>Wavelengths</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNpFkE1LAzEQhoMoWKsH_8GCFz1szffHUYq1QsGLgreQ7k7aLdukJrtC_71bW_Q0L8zDw8yL0C3BE4IleyQTrhmTGp-hEcHalEoqfn7ICpdS8s9LdJXzBmPMpdAjZObNal3sEuTcJyhWECC5romhWO6LdewKaKHqUgy5qFPzDaFwy_YXuEYX3rUZbk5zjD5mz-_Tebl4e3mdPi3KihHdlYoJxQ3TVCy5MMp57DRnsha1Nt4MGy8p5qKuQQhHiNAUS2BgPDHC116yMbo7emPuGpurpoNqXcUQhrsspZQMOjZQ90dql-JXD7mz2yZX0LYuQOyzJUIqgjlX5l_4h25in8Lwg6WEGoGNMGSgHo5UlWLOCbzdpWbr0t4SbA9VW2JPVbMfMB1tMw</recordid><startdate>20131101</startdate><enddate>20131101</enddate><creator>Piriz, A. R.</creator><creator>Piriz, S. A.</creator><creator>Tahir, N. A.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7U5</scope><scope>OTOTI</scope></search><sort><creationdate>20131101</creationdate><title>High pressure generation by hot electrons driven ablation</title><author>Piriz, A. R. ; Piriz, S. A. ; Tahir, N. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c318t-7357493825b4597af0a8436d5d89f9493f62045dde55a1158206e3e9f195fdf63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>07 ISOTOPES AND RADIATION SOURCES</topic><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>ABLATION</topic><topic>BEAM-PLASMA SYSTEMS</topic><topic>COMPARATIVE EVALUATIONS</topic><topic>Electron energy</topic><topic>ELECTRON TEMPERATURE</topic><topic>ELECTRONS</topic><topic>Hot electrons</topic><topic>Ignition</topic><topic>ION TEMPERATURE</topic><topic>KEV RANGE</topic><topic>Laser plasma interactions</topic><topic>LASER RADIATION</topic><topic>LASERS</topic><topic>Law</topic><topic>LIGHT TRANSMISSION</topic><topic>MATERIALS SCIENCE</topic><topic>PLASMA</topic><topic>Plasma interactions</topic><topic>Plasma physics</topic><topic>PLASMA PRESSURE</topic><topic>Plasmas</topic><topic>Plasmas (physics)</topic><topic>SCALING LAWS</topic><topic>THERMONUCLEAR IGNITION</topic><topic>Wavelengths</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Piriz, A. R.</creatorcontrib><creatorcontrib>Piriz, S. A.</creatorcontrib><creatorcontrib>Tahir, N. A.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Piriz, A. R.</au><au>Piriz, S. A.</au><au>Tahir, N. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High pressure generation by hot electrons driven ablation</atitle><jtitle>Physics of plasmas</jtitle><date>2013-11-01</date><risdate>2013</risdate><volume>20</volume><issue>11</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><abstract>A previous model [Piriz et al. Phys. Plasmas 19, 122705 (2012)] for the ablation driven by the hot electrons generated in collisionless laser-plasma interactions in the framework of shock ignition is revisited. The impact of recent results indicating that for a laser wavelength λ = 0.35 μm the hot electron temperature θH would be independent of the laser intensity I, on the resulting ablation pressure is considered. In comparison with the case when the scaling law θH∼(Iλ2)1/3 is assumed, the generation of the high pressures needed for driving the ignitor shock may be more demanding. Intensities above 1017 W/cm2 would be required for θH=25−30 keV.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4833680</doi></addata></record> |
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| ispartof | Physics of plasmas, 2013-11, Vol.20 (11) |
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| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | 07 ISOTOPES AND RADIATION SOURCES 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ABLATION BEAM-PLASMA SYSTEMS COMPARATIVE EVALUATIONS Electron energy ELECTRON TEMPERATURE ELECTRONS Hot electrons Ignition ION TEMPERATURE KEV RANGE Laser plasma interactions LASER RADIATION LASERS Law LIGHT TRANSMISSION MATERIALS SCIENCE PLASMA Plasma interactions Plasma physics PLASMA PRESSURE Plasmas Plasmas (physics) SCALING LAWS THERMONUCLEAR IGNITION Wavelengths |
| title | High pressure generation by hot electrons driven ablation |
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