Study on Radial Sheet Beam Electron Optical System for Miniature Low-Voltage Traveling-Wave Tube
Angle log-periodic meander line microstrip radial sheet beam traveling-wave tube is one kind of novel minimized vacuum device with low beam voltage. To generate and focus the radial sheet electron beam, a novel radial divergent sheet beam electron optical system, including the tractable radial sheet...
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| Veröffentlicht in: | IEEE transactions on electron devices 2017-08, Vol.64 (8), p.3405-3412 |
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| container_title | IEEE transactions on electron devices |
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| creator | Li, Xinyi Wang, Zhanliang He, Tenglong Gong, Huarong Duan, Zhaoyun Wei, Yanyu Gong, Yubin |
| description | Angle log-periodic meander line microstrip radial sheet beam traveling-wave tube is one kind of novel minimized vacuum device with low beam voltage. To generate and focus the radial sheet electron beam, a novel radial divergent sheet beam electron optical system, including the tractable radial sheet electron beam gun and miniaturized and feasible radial small tunable periodic cusped magnetic focusing system, is proposed in this paper. The fan-shaped radial sheet beam is emitted from the cylindrical surface cathode, compressed in axial direction, and confined in azimuthal direction by the focusing electrode. Simulation results show that the total emission of the angular radial sheet beam gun is 51.2 mA with the dimensions of 0.26~\text {mm} \times 8 ° under the voltage of 1.7 kV, and the fan-shaped radial sheet beam can totally pass through the fan-shaped drift tunnel under the magnetic field. The experimental results are good in agreement with the simulation results. The tested angular radial sheet beam transmission efficiency is >90% in an 18.8-mm-length beam tunnel with the fill factor of 50%. |
| doi_str_mv | 10.1109/TED.2017.2711616 |
| format | Article |
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To generate and focus the radial sheet electron beam, a novel radial divergent sheet beam electron optical system, including the tractable radial sheet electron beam gun and miniaturized and feasible radial small tunable periodic cusped magnetic focusing system, is proposed in this paper. The fan-shaped radial sheet beam is emitted from the cylindrical surface cathode, compressed in axial direction, and confined in azimuthal direction by the focusing electrode. Simulation results show that the total emission of the angular radial sheet beam gun is 51.2 mA with the dimensions of 0.26~\text {mm} \times 8 ° under the voltage of 1.7 kV, and the fan-shaped radial sheet beam can totally pass through the fan-shaped drift tunnel under the magnetic field. The experimental results are good in agreement with the simulation results. The tested angular radial sheet beam transmission efficiency is >90% in an 18.8-mm-length beam tunnel with the fill factor of 50%.</description><identifier>ISSN: 0018-9383</identifier><identifier>EISSN: 1557-9646</identifier><identifier>DOI: 10.1109/TED.2017.2711616</identifier><identifier>CODEN: IETDAI</identifier><language>eng</language><publisher>IEEE</publisher><subject>Cathodes ; Earth Observing System ; Electron beams ; Electron gun ; Electron guns ; electron optical system (EOS) ; Focusing ; Magnetic tunneling ; radial sheet beam ; traveling-wave tube (TWT)</subject><ispartof>IEEE transactions on electron devices, 2017-08, Vol.64 (8), p.3405-3412</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c263t-4ae2c4a4af5e09b3549a5d8427c288a55109485779f38045d658f038016f329d3</citedby><cites>FETCH-LOGICAL-c263t-4ae2c4a4af5e09b3549a5d8427c288a55109485779f38045d658f038016f329d3</cites><orcidid>0000-0001-6431-0559 ; 0000-0002-6606-5283 ; 0000-0002-5410-242X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7947139$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27928,27929,54762</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7947139$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Li, Xinyi</creatorcontrib><creatorcontrib>Wang, Zhanliang</creatorcontrib><creatorcontrib>He, Tenglong</creatorcontrib><creatorcontrib>Gong, Huarong</creatorcontrib><creatorcontrib>Duan, Zhaoyun</creatorcontrib><creatorcontrib>Wei, Yanyu</creatorcontrib><creatorcontrib>Gong, Yubin</creatorcontrib><title>Study on Radial Sheet Beam Electron Optical System for Miniature Low-Voltage Traveling-Wave Tube</title><title>IEEE transactions on electron devices</title><addtitle>TED</addtitle><description>Angle log-periodic meander line microstrip radial sheet beam traveling-wave tube is one kind of novel minimized vacuum device with low beam voltage. To generate and focus the radial sheet electron beam, a novel radial divergent sheet beam electron optical system, including the tractable radial sheet electron beam gun and miniaturized and feasible radial small tunable periodic cusped magnetic focusing system, is proposed in this paper. The fan-shaped radial sheet beam is emitted from the cylindrical surface cathode, compressed in axial direction, and confined in azimuthal direction by the focusing electrode. Simulation results show that the total emission of the angular radial sheet beam gun is 51.2 mA with the dimensions of 0.26~\text {mm} \times 8 ° under the voltage of 1.7 kV, and the fan-shaped radial sheet beam can totally pass through the fan-shaped drift tunnel under the magnetic field. The experimental results are good in agreement with the simulation results. The tested angular radial sheet beam transmission efficiency is >90% in an 18.8-mm-length beam tunnel with the fill factor of 50%.</description><subject>Cathodes</subject><subject>Earth Observing System</subject><subject>Electron beams</subject><subject>Electron gun</subject><subject>Electron guns</subject><subject>electron optical system (EOS)</subject><subject>Focusing</subject><subject>Magnetic tunneling</subject><subject>radial sheet beam</subject><subject>traveling-wave tube (TWT)</subject><issn>0018-9383</issn><issn>1557-9646</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEtLA0EQhAdRMEbvgpf5AxPn_ThqjA-IBMyqx3Wy2xNXNlmZnSj5905I8NTVVFdDfQhdMjpijLrrYnI34pSZETeMaaaP0IApZYjTUh-jAaXMEiesOEVnff-VVy0lH6CPedrUW9yt8YuvG9_i-SdAwrfgV3jSQpVitmbfqal23rZPsMKhi_i5WTc-bSLgafdL3ro2-SXgIvofaJv1krxngYvNAs7RSfBtDxeHOUSv95Ni_Eims4en8c2UVFyLRKQHXkkvfVBA3UIo6byqreSm4tZ6pXJHaZUxLghLpaq1soFmyXQQ3NViiOj-bxW7vo8Qyu_YrHzcloyWO0JlJlTuCJUHQjlytY80APB_bpw0TDjxByd7YPI</recordid><startdate>201708</startdate><enddate>201708</enddate><creator>Li, Xinyi</creator><creator>Wang, Zhanliang</creator><creator>He, Tenglong</creator><creator>Gong, Huarong</creator><creator>Duan, Zhaoyun</creator><creator>Wei, Yanyu</creator><creator>Gong, Yubin</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-6431-0559</orcidid><orcidid>https://orcid.org/0000-0002-6606-5283</orcidid><orcidid>https://orcid.org/0000-0002-5410-242X</orcidid></search><sort><creationdate>201708</creationdate><title>Study on Radial Sheet Beam Electron Optical System for Miniature Low-Voltage Traveling-Wave Tube</title><author>Li, Xinyi ; Wang, Zhanliang ; He, Tenglong ; Gong, Huarong ; Duan, Zhaoyun ; Wei, Yanyu ; Gong, Yubin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c263t-4ae2c4a4af5e09b3549a5d8427c288a55109485779f38045d658f038016f329d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Cathodes</topic><topic>Earth Observing System</topic><topic>Electron beams</topic><topic>Electron gun</topic><topic>Electron guns</topic><topic>electron optical system (EOS)</topic><topic>Focusing</topic><topic>Magnetic tunneling</topic><topic>radial sheet beam</topic><topic>traveling-wave tube (TWT)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Xinyi</creatorcontrib><creatorcontrib>Wang, Zhanliang</creatorcontrib><creatorcontrib>He, Tenglong</creatorcontrib><creatorcontrib>Gong, Huarong</creatorcontrib><creatorcontrib>Duan, Zhaoyun</creatorcontrib><creatorcontrib>Wei, Yanyu</creatorcontrib><creatorcontrib>Gong, Yubin</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE transactions on electron devices</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Li, Xinyi</au><au>Wang, Zhanliang</au><au>He, Tenglong</au><au>Gong, Huarong</au><au>Duan, Zhaoyun</au><au>Wei, Yanyu</au><au>Gong, Yubin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on Radial Sheet Beam Electron Optical System for Miniature Low-Voltage Traveling-Wave Tube</atitle><jtitle>IEEE transactions on electron devices</jtitle><stitle>TED</stitle><date>2017-08</date><risdate>2017</risdate><volume>64</volume><issue>8</issue><spage>3405</spage><epage>3412</epage><pages>3405-3412</pages><issn>0018-9383</issn><eissn>1557-9646</eissn><coden>IETDAI</coden><abstract>Angle log-periodic meander line microstrip radial sheet beam traveling-wave tube is one kind of novel minimized vacuum device with low beam voltage. To generate and focus the radial sheet electron beam, a novel radial divergent sheet beam electron optical system, including the tractable radial sheet electron beam gun and miniaturized and feasible radial small tunable periodic cusped magnetic focusing system, is proposed in this paper. The fan-shaped radial sheet beam is emitted from the cylindrical surface cathode, compressed in axial direction, and confined in azimuthal direction by the focusing electrode. Simulation results show that the total emission of the angular radial sheet beam gun is 51.2 mA with the dimensions of 0.26~\text {mm} \times 8 ° under the voltage of 1.7 kV, and the fan-shaped radial sheet beam can totally pass through the fan-shaped drift tunnel under the magnetic field. The experimental results are good in agreement with the simulation results. The tested angular radial sheet beam transmission efficiency is >90% in an 18.8-mm-length beam tunnel with the fill factor of 50%.</abstract><pub>IEEE</pub><doi>10.1109/TED.2017.2711616</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-6431-0559</orcidid><orcidid>https://orcid.org/0000-0002-6606-5283</orcidid><orcidid>https://orcid.org/0000-0002-5410-242X</orcidid></addata></record> |
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| subjects | Cathodes Earth Observing System Electron beams Electron gun Electron guns electron optical system (EOS) Focusing Magnetic tunneling radial sheet beam traveling-wave tube (TWT) |
| title | Study on Radial Sheet Beam Electron Optical System for Miniature Low-Voltage Traveling-Wave Tube |
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