Two-dimensional observation of copper vapor in vacuum arcs by laser-induced fluorescence
The density distribution and the velocity of copper neutral atoms emitted from a single cathode spot in 40 A vacuum arc were measured by the two-dimensional (2-D) laser-induced fluorescence method. The density was calibrated from the two-dimensional fluorescence image observed by a CCD camera. The g...
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| Veröffentlicht in: | IEEE transactions on plasma science 1997-08, Vol.25 (4), p.598-602 |
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| container_title | IEEE transactions on plasma science |
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| creator | Koyama, K. Nakayama, Y. Ohi, T. Horinouchi, K. Sasao, H. |
| description | The density distribution and the velocity of copper neutral atoms emitted from a single cathode spot in 40 A vacuum arc were measured by the two-dimensional (2-D) laser-induced fluorescence method. The density was calibrated from the two-dimensional fluorescence image observed by a CCD camera. The gap space was almost filled with the copper atoms, and the density reached 5/spl times/10/sup 19//m/sup 3/. We varied the wavelength of the laser light and measured the velocity of the copper atoms emitted from the cathode spot using the effect of Doppler shift. The velocity of the copper atoms was about 10 km/s. |
| doi_str_mv | 10.1109/27.640671 |
| format | Article |
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The density was calibrated from the two-dimensional fluorescence image observed by a CCD camera. The gap space was almost filled with the copper atoms, and the density reached 5/spl times/10/sup 19//m/sup 3/. We varied the wavelength of the laser light and measured the velocity of the copper atoms emitted from the cathode spot using the effect of Doppler shift. The velocity of the copper atoms was about 10 km/s.</description><identifier>ISSN: 0093-3813</identifier><identifier>EISSN: 1939-9375</identifier><identifier>DOI: 10.1109/27.640671</identifier><identifier>CODEN: ITPSBD</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Atom lasers ; Atomic beams ; Atomic measurements ; Atoms & subatomic particles ; Cathodes ; Copper ; Density measurement ; Fluorescence ; Lasers ; Two dimensional displays ; Vacuum arcs ; Velocity measurement</subject><ispartof>IEEE transactions on plasma science, 1997-08, Vol.25 (4), p.598-602</ispartof><rights>Copyright Institute of Electrical and Electronics Engineers, Inc. (IEEE) Aug 1997</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c401t-b0aaf790dd7b04922162454817356925f58fc3277b3eafc8aef8a286144a03733</citedby><cites>FETCH-LOGICAL-c401t-b0aaf790dd7b04922162454817356925f58fc3277b3eafc8aef8a286144a03733</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/640671$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/640671$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Koyama, K.</creatorcontrib><creatorcontrib>Nakayama, Y.</creatorcontrib><creatorcontrib>Ohi, T.</creatorcontrib><creatorcontrib>Horinouchi, K.</creatorcontrib><creatorcontrib>Sasao, H.</creatorcontrib><title>Two-dimensional observation of copper vapor in vacuum arcs by laser-induced fluorescence</title><title>IEEE transactions on plasma science</title><addtitle>TPS</addtitle><description>The density distribution and the velocity of copper neutral atoms emitted from a single cathode spot in 40 A vacuum arc were measured by the two-dimensional (2-D) laser-induced fluorescence method. The density was calibrated from the two-dimensional fluorescence image observed by a CCD camera. The gap space was almost filled with the copper atoms, and the density reached 5/spl times/10/sup 19//m/sup 3/. We varied the wavelength of the laser light and measured the velocity of the copper atoms emitted from the cathode spot using the effect of Doppler shift. The velocity of the copper atoms was about 10 km/s.</description><subject>Atom lasers</subject><subject>Atomic beams</subject><subject>Atomic measurements</subject><subject>Atoms & subatomic particles</subject><subject>Cathodes</subject><subject>Copper</subject><subject>Density measurement</subject><subject>Fluorescence</subject><subject>Lasers</subject><subject>Two dimensional displays</subject><subject>Vacuum arcs</subject><subject>Velocity measurement</subject><issn>0093-3813</issn><issn>1939-9375</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqN0TtLBDEQAOAgCp6nha1VsBAs9szksUlKOXzBgc0Jdks2m8Aee5s1uT3x3xvZw8LKamaYj2GYQegSyAKA6DsqFyUnpYQjNAPNdKGZFMdoRohmBVPATtFZShtCgAtCZ-h9_RmKpt26PrWhNx0OdXJxb3a5wsFjG4bBRbw3Q4i47XNix3GLTbQJ11-4M1kXbd-M1jXYd2OILlnXW3eOTrzpkrs4xDl6e3xYL5-L1evTy_J-VVhOYFfUxBgvNWkaWROuKYWScsEVSCZKTYUXyltGpayZM94q47wyVJXAuSFMMjZHN9PcIYaP0aVdtW3zBl1nehfGVFGlACiV_4AShACe4fUfuAljzLdJFWgBZQlSZXQ7IRtDStH5aojt1sSvCkj184mKymr6RLZXk22dc7_u0PwGx5CCWQ</recordid><startdate>19970801</startdate><enddate>19970801</enddate><creator>Koyama, K.</creator><creator>Nakayama, Y.</creator><creator>Ohi, T.</creator><creator>Horinouchi, K.</creator><creator>Sasao, H.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>8BQ</scope><scope>JG9</scope></search><sort><creationdate>19970801</creationdate><title>Two-dimensional observation of copper vapor in vacuum arcs by laser-induced fluorescence</title><author>Koyama, K. ; Nakayama, Y. ; Ohi, T. ; Horinouchi, K. ; Sasao, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c401t-b0aaf790dd7b04922162454817356925f58fc3277b3eafc8aef8a286144a03733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Atom lasers</topic><topic>Atomic beams</topic><topic>Atomic measurements</topic><topic>Atoms & subatomic particles</topic><topic>Cathodes</topic><topic>Copper</topic><topic>Density measurement</topic><topic>Fluorescence</topic><topic>Lasers</topic><topic>Two dimensional displays</topic><topic>Vacuum arcs</topic><topic>Velocity measurement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Koyama, K.</creatorcontrib><creatorcontrib>Nakayama, Y.</creatorcontrib><creatorcontrib>Ohi, T.</creatorcontrib><creatorcontrib>Horinouchi, K.</creatorcontrib><creatorcontrib>Sasao, H.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>METADEX</collection><collection>Materials Research Database</collection><jtitle>IEEE transactions on plasma science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Koyama, K.</au><au>Nakayama, Y.</au><au>Ohi, T.</au><au>Horinouchi, K.</au><au>Sasao, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Two-dimensional observation of copper vapor in vacuum arcs by laser-induced fluorescence</atitle><jtitle>IEEE transactions on plasma science</jtitle><stitle>TPS</stitle><date>1997-08-01</date><risdate>1997</risdate><volume>25</volume><issue>4</issue><spage>598</spage><epage>602</epage><pages>598-602</pages><issn>0093-3813</issn><eissn>1939-9375</eissn><coden>ITPSBD</coden><abstract>The density distribution and the velocity of copper neutral atoms emitted from a single cathode spot in 40 A vacuum arc were measured by the two-dimensional (2-D) laser-induced fluorescence method. The density was calibrated from the two-dimensional fluorescence image observed by a CCD camera. The gap space was almost filled with the copper atoms, and the density reached 5/spl times/10/sup 19//m/sup 3/. We varied the wavelength of the laser light and measured the velocity of the copper atoms emitted from the cathode spot using the effect of Doppler shift. The velocity of the copper atoms was about 10 km/s.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/27.640671</doi><tpages>5</tpages></addata></record> |
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| ispartof | IEEE transactions on plasma science, 1997-08, Vol.25 (4), p.598-602 |
| issn | 0093-3813 1939-9375 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Atom lasers Atomic beams Atomic measurements Atoms & subatomic particles Cathodes Copper Density measurement Fluorescence Lasers Two dimensional displays Vacuum arcs Velocity measurement |
| title | Two-dimensional observation of copper vapor in vacuum arcs by laser-induced fluorescence |
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