Time profiles of ions produced in a hot-cavity resonant ionization laser ion source
The time profiles of Cu, Sn, and Ni ions extracted from a hot-cavity resonant ionization laser ion source are investigated. The ions are produced in the ion source by three-photon resonant ionization with pulsed Ti:Sapphire lasers. Measurements show that the time spread of these ions generated withi...
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| Veröffentlicht in: | Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2011-12, Vol.269 (23), p.2771-2780 |
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| container_title | Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms |
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| creator | Liu, Y. Baktash, C. Beene, J.R. Havener, C.C. Krause, H.F. Schultz, D.R. Stracener, D.W. Vane, C.R. Geppert, Ch Kessler, T. Wies, K. Wendt, K. |
| description | The time profiles of Cu, Sn, and Ni ions extracted from a hot-cavity resonant ionization laser ion source are investigated. The ions are produced in the ion source by three-photon resonant ionization with pulsed Ti:Sapphire lasers. Measurements show that the time spread of these ions generated within laser pulses of about 30
ns duration could be larger than 100
μs when the ions are extracted from the ion source. A one-dimensional ion-transport model using the Monte Carlo method is developed to simulate the time dependence of the ion pulses. The prediction of the model agrees reasonably well with the experimental data. To reproduce the observed ion time profiles, we find it necessary to postulate that ion-wall collisions are suppressed inside the ion source by an undetermined ion confinement mechanism and that a substantial fraction of the extracted ions are generated in the vapor-transfer tube rather than the hot cavity. Three-dimensional modeling will be necessary to understand the strong reduction in losses expected from ion-wall collisions which we interpret as evidence for confinement. |
| doi_str_mv | 10.1016/j.nimb.2011.08.009 |
| format | Article |
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ns duration could be larger than 100
μs when the ions are extracted from the ion source. A one-dimensional ion-transport model using the Monte Carlo method is developed to simulate the time dependence of the ion pulses. The prediction of the model agrees reasonably well with the experimental data. To reproduce the observed ion time profiles, we find it necessary to postulate that ion-wall collisions are suppressed inside the ion source by an undetermined ion confinement mechanism and that a substantial fraction of the extracted ions are generated in the vapor-transfer tube rather than the hot cavity. Three-dimensional modeling will be necessary to understand the strong reduction in losses expected from ion-wall collisions which we interpret as evidence for confinement.</description><identifier>ISSN: 0168-583X</identifier><identifier>EISSN: 1872-9584</identifier><identifier>DOI: 10.1016/j.nimb.2011.08.009</identifier><language>eng</language><publisher>United States: Elsevier B.V</publisher><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; Collisions ; Computer simulation ; CONFINEMENT ; Hot cavity ; INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY ; ION SOURCES ; IONIZATION ; Laser ion source ; LASERS ; Mathematical models ; MONTE CARLO METHOD ; Resonant ionization ; SIMULATION ; Spreads ; TIME DEPENDENCE ; Time profile</subject><ispartof>Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 2011-12, Vol.269 (23), p.2771-2780</ispartof><rights>2011 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-f44260662956b419c571b71d54086a5780ec63964927b989b98deb40f96d61123</citedby><cites>FETCH-LOGICAL-c359t-f44260662956b419c571b71d54086a5780ec63964927b989b98deb40f96d61123</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0168583X11007853$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1042833$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Y.</creatorcontrib><creatorcontrib>Baktash, C.</creatorcontrib><creatorcontrib>Beene, J.R.</creatorcontrib><creatorcontrib>Havener, C.C.</creatorcontrib><creatorcontrib>Krause, H.F.</creatorcontrib><creatorcontrib>Schultz, D.R.</creatorcontrib><creatorcontrib>Stracener, D.W.</creatorcontrib><creatorcontrib>Vane, C.R.</creatorcontrib><creatorcontrib>Geppert, Ch</creatorcontrib><creatorcontrib>Kessler, T.</creatorcontrib><creatorcontrib>Wies, K.</creatorcontrib><creatorcontrib>Wendt, K.</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><creatorcontrib>Holifield Radioactive Ion Beam Facility</creatorcontrib><title>Time profiles of ions produced in a hot-cavity resonant ionization laser ion source</title><title>Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms</title><description>The time profiles of Cu, Sn, and Ni ions extracted from a hot-cavity resonant ionization laser ion source are investigated. The ions are produced in the ion source by three-photon resonant ionization with pulsed Ti:Sapphire lasers. Measurements show that the time spread of these ions generated within laser pulses of about 30
ns duration could be larger than 100
μs when the ions are extracted from the ion source. A one-dimensional ion-transport model using the Monte Carlo method is developed to simulate the time dependence of the ion pulses. The prediction of the model agrees reasonably well with the experimental data. To reproduce the observed ion time profiles, we find it necessary to postulate that ion-wall collisions are suppressed inside the ion source by an undetermined ion confinement mechanism and that a substantial fraction of the extracted ions are generated in the vapor-transfer tube rather than the hot cavity. Three-dimensional modeling will be necessary to understand the strong reduction in losses expected from ion-wall collisions which we interpret as evidence for confinement.</description><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>Collisions</subject><subject>Computer simulation</subject><subject>CONFINEMENT</subject><subject>Hot cavity</subject><subject>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</subject><subject>ION SOURCES</subject><subject>IONIZATION</subject><subject>Laser ion source</subject><subject>LASERS</subject><subject>Mathematical models</subject><subject>MONTE CARLO METHOD</subject><subject>Resonant ionization</subject><subject>SIMULATION</subject><subject>Spreads</subject><subject>TIME DEPENDENCE</subject><subject>Time profile</subject><issn>0168-583X</issn><issn>1872-9584</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouK7-AU_Bi6fWpE3SBLyI-AWCBxW8hTSdslm6yZpkBf31pqxnA2FgeN5h5kHonJKaEiqu1rV3m75uCKU1kTUh6gAtqOyaSnHJDtGiQLLisv04RicprUl5vOUL9PrmNoC3MYxugoTDiF3waW4MOwsDdh4bvAq5subL5W8cIQVvfJ4x92NyKXgyCeLcwCnsooVTdDSaKcHZX12i9_u7t9vH6vnl4en25rmyLVe5GhlrBBGiUVz0jCrLO9p3dOCMSGF4JwlY0SrBVNP1SqryB-gZGZUYBKVNu0QX-7khZaeTdRnsygbvwWZNCWtk2xbocg-Vkz53kLLeuGRhmoyHsEtaiVZy1hUbS9TsSRtDShFGvY1uY-J3maVny3qtZ8t6tqyJ1MVyCV3vQ1AO_XIQ5z3AF3UuzmsMwf0X_wUDw4R-</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Liu, Y.</creator><creator>Baktash, C.</creator><creator>Beene, J.R.</creator><creator>Havener, C.C.</creator><creator>Krause, H.F.</creator><creator>Schultz, D.R.</creator><creator>Stracener, D.W.</creator><creator>Vane, C.R.</creator><creator>Geppert, Ch</creator><creator>Kessler, T.</creator><creator>Wies, K.</creator><creator>Wendt, K.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20111201</creationdate><title>Time profiles of ions produced in a hot-cavity resonant ionization laser ion source</title><author>Liu, Y. ; Baktash, C. ; Beene, J.R. ; Havener, C.C. ; Krause, H.F. ; Schultz, D.R. ; Stracener, D.W. ; Vane, C.R. ; Geppert, Ch ; Kessler, T. ; Wies, K. ; Wendt, K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-f44260662956b419c571b71d54086a5780ec63964927b989b98deb40f96d61123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>Collisions</topic><topic>Computer simulation</topic><topic>CONFINEMENT</topic><topic>Hot cavity</topic><topic>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</topic><topic>ION SOURCES</topic><topic>IONIZATION</topic><topic>Laser ion source</topic><topic>LASERS</topic><topic>Mathematical models</topic><topic>MONTE CARLO METHOD</topic><topic>Resonant ionization</topic><topic>SIMULATION</topic><topic>Spreads</topic><topic>TIME DEPENDENCE</topic><topic>Time profile</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Y.</creatorcontrib><creatorcontrib>Baktash, C.</creatorcontrib><creatorcontrib>Beene, J.R.</creatorcontrib><creatorcontrib>Havener, C.C.</creatorcontrib><creatorcontrib>Krause, H.F.</creatorcontrib><creatorcontrib>Schultz, D.R.</creatorcontrib><creatorcontrib>Stracener, D.W.</creatorcontrib><creatorcontrib>Vane, C.R.</creatorcontrib><creatorcontrib>Geppert, Ch</creatorcontrib><creatorcontrib>Kessler, T.</creatorcontrib><creatorcontrib>Wies, K.</creatorcontrib><creatorcontrib>Wendt, K.</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><creatorcontrib>Holifield Radioactive Ion Beam Facility</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Y.</au><au>Baktash, C.</au><au>Beene, J.R.</au><au>Havener, C.C.</au><au>Krause, H.F.</au><au>Schultz, D.R.</au><au>Stracener, D.W.</au><au>Vane, C.R.</au><au>Geppert, Ch</au><au>Kessler, T.</au><au>Wies, K.</au><au>Wendt, K.</au><aucorp>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</aucorp><aucorp>Holifield Radioactive Ion Beam Facility</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Time profiles of ions produced in a hot-cavity resonant ionization laser ion source</atitle><jtitle>Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms</jtitle><date>2011-12-01</date><risdate>2011</risdate><volume>269</volume><issue>23</issue><spage>2771</spage><epage>2780</epage><pages>2771-2780</pages><issn>0168-583X</issn><eissn>1872-9584</eissn><abstract>The time profiles of Cu, Sn, and Ni ions extracted from a hot-cavity resonant ionization laser ion source are investigated. The ions are produced in the ion source by three-photon resonant ionization with pulsed Ti:Sapphire lasers. Measurements show that the time spread of these ions generated within laser pulses of about 30
ns duration could be larger than 100
μs when the ions are extracted from the ion source. A one-dimensional ion-transport model using the Monte Carlo method is developed to simulate the time dependence of the ion pulses. The prediction of the model agrees reasonably well with the experimental data. To reproduce the observed ion time profiles, we find it necessary to postulate that ion-wall collisions are suppressed inside the ion source by an undetermined ion confinement mechanism and that a substantial fraction of the extracted ions are generated in the vapor-transfer tube rather than the hot cavity. Three-dimensional modeling will be necessary to understand the strong reduction in losses expected from ion-wall collisions which we interpret as evidence for confinement.</abstract><cop>United States</cop><pub>Elsevier B.V</pub><doi>10.1016/j.nimb.2011.08.009</doi><tpages>10</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Collisions Computer simulation CONFINEMENT Hot cavity INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY ION SOURCES IONIZATION Laser ion source LASERS Mathematical models MONTE CARLO METHOD Resonant ionization SIMULATION Spreads TIME DEPENDENCE Time profile |
| title | Time profiles of ions produced in a hot-cavity resonant ionization laser ion source |
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