Spectroscopic studies of shell mix in directly driven implosion on SGIII prototype laser facility
We study shell mix during implosion using a capsule with a Cl-doped gas-shell interface that is also filled with Ar-doped deuterium gas. The Ar and Cl K-shell emissions are recorded with a flat crystal spectrometer. The He-β complex is analyzed to infer the electron temperature and density in the ho...
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| Veröffentlicht in: | Physics of plasmas 2014-12, Vol.21 (12) |
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| container_title | Physics of plasmas |
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| creator | Pu, Yudong Huang, Tianxuan Wei, Minxi Tang, Qi Song, Zifeng Yang, Jiamin Liu, Shenye Jiang, Shaoen Ding, Yongkun |
| description | We study shell mix during implosion using a capsule with a Cl-doped gas-shell interface that is also filled with Ar-doped deuterium gas. The Ar and Cl K-shell emissions are recorded with a flat crystal spectrometer. The He-β complex is analyzed to infer the electron temperature and density in the hotspot. Two regions of different hydrodynamic states are observed: a region of Te ∼ 1.2 ± 0.2 keV and ne ∼ (4 ± 0.5) × 1023 cm−3 and another of Te ∼ 0.6 ± 0.2 keV and ne ∼ (4 ± 0.5) × 1022 cm−3 probed by Ar and Cl ions, respectively. The neutron yield was also recorded and found to have reduced by a factor of ten for the Cl-doped capsule. By attributing the degradation of the neutron yield to the enhanced radiation loss due to the presence of mixed Cl ions and using the conservation of hotspot internal energy, the amount of mixed Cl ions is estimated to be ∼1.4 × 1014, corresponding to a 0.1 μm thickness of the initial shell material and a mixing width of about 16 μm. |
| doi_str_mv | 10.1063/1.4904041 |
| format | Article |
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The Ar and Cl K-shell emissions are recorded with a flat crystal spectrometer. The He-β complex is analyzed to infer the electron temperature and density in the hotspot. Two regions of different hydrodynamic states are observed: a region of Te ∼ 1.2 ± 0.2 keV and ne ∼ (4 ± 0.5) × 1023 cm−3 and another of Te ∼ 0.6 ± 0.2 keV and ne ∼ (4 ± 0.5) × 1022 cm−3 probed by Ar and Cl ions, respectively. The neutron yield was also recorded and found to have reduced by a factor of ten for the Cl-doped capsule. By attributing the degradation of the neutron yield to the enhanced radiation loss due to the presence of mixed Cl ions and using the conservation of hotspot internal energy, the amount of mixed Cl ions is estimated to be ∼1.4 × 1014, corresponding to a 0.1 μm thickness of the initial shell material and a mixing width of about 16 μm.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.4904041</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; ARGON IONS ; CAPSULES ; CHLORINE IONS ; DEUTERIUM ; DOPED MATERIALS ; Electron energy ; ELECTRON TEMPERATURE ; Energy conservation ; ENERGY LOSSES ; HELIUM COMPLEXES ; IMPLOSIONS ; Internal energy ; K SHELL ; KEV RANGE ; LASERS ; NEUTRONS ; Plasma physics ; SPECTROMETERS ; SPECTROSCOPY ; THICKNESS</subject><ispartof>Physics of plasmas, 2014-12, Vol.21 (12)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c285t-9cef1b2b187193eec72f9a976beecf79c3d75cd385564119a353396b5ed6e5bb3</citedby><cites>FETCH-LOGICAL-c285t-9cef1b2b187193eec72f9a976beecf79c3d75cd385564119a353396b5ed6e5bb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27923,27924</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22407916$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Pu, Yudong</creatorcontrib><creatorcontrib>Huang, Tianxuan</creatorcontrib><creatorcontrib>Wei, Minxi</creatorcontrib><creatorcontrib>Tang, Qi</creatorcontrib><creatorcontrib>Song, Zifeng</creatorcontrib><creatorcontrib>Yang, Jiamin</creatorcontrib><creatorcontrib>Liu, Shenye</creatorcontrib><creatorcontrib>Jiang, Shaoen</creatorcontrib><creatorcontrib>Ding, Yongkun</creatorcontrib><title>Spectroscopic studies of shell mix in directly driven implosion on SGIII prototype laser facility</title><title>Physics of plasmas</title><description>We study shell mix during implosion using a capsule with a Cl-doped gas-shell interface that is also filled with Ar-doped deuterium gas. The Ar and Cl K-shell emissions are recorded with a flat crystal spectrometer. The He-β complex is analyzed to infer the electron temperature and density in the hotspot. Two regions of different hydrodynamic states are observed: a region of Te ∼ 1.2 ± 0.2 keV and ne ∼ (4 ± 0.5) × 1023 cm−3 and another of Te ∼ 0.6 ± 0.2 keV and ne ∼ (4 ± 0.5) × 1022 cm−3 probed by Ar and Cl ions, respectively. The neutron yield was also recorded and found to have reduced by a factor of ten for the Cl-doped capsule. By attributing the degradation of the neutron yield to the enhanced radiation loss due to the presence of mixed Cl ions and using the conservation of hotspot internal energy, the amount of mixed Cl ions is estimated to be ∼1.4 × 1014, corresponding to a 0.1 μm thickness of the initial shell material and a mixing width of about 16 μm.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>ARGON IONS</subject><subject>CAPSULES</subject><subject>CHLORINE IONS</subject><subject>DEUTERIUM</subject><subject>DOPED MATERIALS</subject><subject>Electron energy</subject><subject>ELECTRON TEMPERATURE</subject><subject>Energy conservation</subject><subject>ENERGY LOSSES</subject><subject>HELIUM COMPLEXES</subject><subject>IMPLOSIONS</subject><subject>Internal energy</subject><subject>K SHELL</subject><subject>KEV RANGE</subject><subject>LASERS</subject><subject>NEUTRONS</subject><subject>Plasma physics</subject><subject>SPECTROMETERS</subject><subject>SPECTROSCOPY</subject><subject>THICKNESS</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpFkM9LwzAYhoMoOKcH_4OAJw-d-Z3mKENnYeBhCt5Cm6Yso2tqkon9783YQPjgew8PLw8vAPcYLTAS9AkvmEIMMXwBZhiVqpBCsstjlqgQgn1dg5sYdwghJng5A_VmtCYFH40fnYExHVpnI_QdjFvb93DvfqEbYOtCxvoJtsH92AG6_dj76PwA821WVVXBMfjk0zRa2NfRBtjVxvUuTbfgqqv7aO_Ofw4-X18-lm_F-n1VLZ_XhSElT4UytsMNaXApsaLWGkk6VSspmpw7qQxtJTctLTkXDGNVU06pEg23rbC8aegcPJx6fUxOR-OSNVvjhyGLa0IYkgqLfyrrfh9sTHrnD2HIYppgIlhZZptMPZ4ok5eJwXZ6DG5fh0ljpI87a6zPO9M_8RBvxw</recordid><startdate>20141201</startdate><enddate>20141201</enddate><creator>Pu, Yudong</creator><creator>Huang, Tianxuan</creator><creator>Wei, Minxi</creator><creator>Tang, Qi</creator><creator>Song, Zifeng</creator><creator>Yang, Jiamin</creator><creator>Liu, Shenye</creator><creator>Jiang, Shaoen</creator><creator>Ding, Yongkun</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20141201</creationdate><title>Spectroscopic studies of shell mix in directly driven implosion on SGIII prototype laser facility</title><author>Pu, Yudong ; Huang, Tianxuan ; Wei, Minxi ; Tang, Qi ; Song, Zifeng ; Yang, Jiamin ; Liu, Shenye ; Jiang, Shaoen ; Ding, Yongkun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c285t-9cef1b2b187193eec72f9a976beecf79c3d75cd385564119a353396b5ed6e5bb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>ARGON IONS</topic><topic>CAPSULES</topic><topic>CHLORINE IONS</topic><topic>DEUTERIUM</topic><topic>DOPED MATERIALS</topic><topic>Electron energy</topic><topic>ELECTRON TEMPERATURE</topic><topic>Energy conservation</topic><topic>ENERGY LOSSES</topic><topic>HELIUM COMPLEXES</topic><topic>IMPLOSIONS</topic><topic>Internal energy</topic><topic>K SHELL</topic><topic>KEV RANGE</topic><topic>LASERS</topic><topic>NEUTRONS</topic><topic>Plasma physics</topic><topic>SPECTROMETERS</topic><topic>SPECTROSCOPY</topic><topic>THICKNESS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pu, Yudong</creatorcontrib><creatorcontrib>Huang, Tianxuan</creatorcontrib><creatorcontrib>Wei, Minxi</creatorcontrib><creatorcontrib>Tang, Qi</creatorcontrib><creatorcontrib>Song, Zifeng</creatorcontrib><creatorcontrib>Yang, Jiamin</creatorcontrib><creatorcontrib>Liu, Shenye</creatorcontrib><creatorcontrib>Jiang, Shaoen</creatorcontrib><creatorcontrib>Ding, Yongkun</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pu, Yudong</au><au>Huang, Tianxuan</au><au>Wei, Minxi</au><au>Tang, Qi</au><au>Song, Zifeng</au><au>Yang, Jiamin</au><au>Liu, Shenye</au><au>Jiang, Shaoen</au><au>Ding, Yongkun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spectroscopic studies of shell mix in directly driven implosion on SGIII prototype laser facility</atitle><jtitle>Physics of plasmas</jtitle><date>2014-12-01</date><risdate>2014</risdate><volume>21</volume><issue>12</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><abstract>We study shell mix during implosion using a capsule with a Cl-doped gas-shell interface that is also filled with Ar-doped deuterium gas. The Ar and Cl K-shell emissions are recorded with a flat crystal spectrometer. The He-β complex is analyzed to infer the electron temperature and density in the hotspot. Two regions of different hydrodynamic states are observed: a region of Te ∼ 1.2 ± 0.2 keV and ne ∼ (4 ± 0.5) × 1023 cm−3 and another of Te ∼ 0.6 ± 0.2 keV and ne ∼ (4 ± 0.5) × 1022 cm−3 probed by Ar and Cl ions, respectively. The neutron yield was also recorded and found to have reduced by a factor of ten for the Cl-doped capsule. By attributing the degradation of the neutron yield to the enhanced radiation loss due to the presence of mixed Cl ions and using the conservation of hotspot internal energy, the amount of mixed Cl ions is estimated to be ∼1.4 × 1014, corresponding to a 0.1 μm thickness of the initial shell material and a mixing width of about 16 μm.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4904041</doi></addata></record> |
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| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ARGON IONS CAPSULES CHLORINE IONS DEUTERIUM DOPED MATERIALS Electron energy ELECTRON TEMPERATURE Energy conservation ENERGY LOSSES HELIUM COMPLEXES IMPLOSIONS Internal energy K SHELL KEV RANGE LASERS NEUTRONS Plasma physics SPECTROMETERS SPECTROSCOPY THICKNESS |
| title | Spectroscopic studies of shell mix in directly driven implosion on SGIII prototype laser facility |
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