Development of a 0.32-THz Folded Waveguide Traveling Wave Tube
A traveling wave tube amplifier operating above 300 GHz based on folded waveguide (FWG) slow-wave structure is presented in this paper. The design and test results of key components are presented, including FWG slow-wave structure, electron optic system, and RF windows. The FWG slow-wave structure o...
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| Veröffentlicht in: | IEEE transactions on electron devices 2018-06, Vol.65 (6), p.2164-2169 |
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| container_end_page | 2169 |
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| container_title | IEEE transactions on electron devices |
| container_volume | 65 |
| creator | Hu, Peng Lei, Wenqiang Jiang, Yi Huang, Yinhu Song, Rui Chen, Hongbin Dong, Ye |
| description | A traveling wave tube amplifier operating above 300 GHz based on folded waveguide (FWG) slow-wave structure is presented in this paper. The design and test results of key components are presented, including FWG slow-wave structure, electron optic system, and RF windows. The FWG slow-wave structure of this prototype tube was fabricated by the high-speed precision milling technology; the dimension tolerance achieves \pm 5~\mu \text{m} , and fabricated surface roughness achieves 300-nm Ra. This amplifier demonstrates over 130 mW of maximum output power and 19.6 dB of small-signal gain at 318.24 GHz from a 16.9-kV, 16-mA electron beam with a duty cycle of 10%. The operation voltage rising induced by fabrication errors is also discussed. |
| doi_str_mv | 10.1109/TED.2017.2787682 |
| format | Article |
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The design and test results of key components are presented, including FWG slow-wave structure, electron optic system, and RF windows. The FWG slow-wave structure of this prototype tube was fabricated by the high-speed precision milling technology; the dimension tolerance achieves <inline-formula> <tex-math notation="LaTeX">\pm 5~\mu \text{m} </tex-math></inline-formula>, and fabricated surface roughness achieves 300-nm Ra. This amplifier demonstrates over 130 mW of maximum output power and 19.6 dB of small-signal gain at 318.24 GHz from a 16.9-kV, 16-mA electron beam with a duty cycle of 10%. The operation voltage rising induced by fabrication errors is also discussed.</description><identifier>ISSN: 0018-9383</identifier><identifier>EISSN: 1557-9646</identifier><identifier>DOI: 10.1109/TED.2017.2787682</identifier><identifier>CODEN: IETDAI</identifier><language>eng</language><publisher>IEEE</publisher><subject>Amplifier ; Electron guns ; Electron tubes ; Fabrication ; folded waveguide (FWG) ; Gain ; Optical waveguides ; pierce gun ; pill-box window ; Radio frequency ; terahertz ; traveling wave tube (TWT) ; vacuum electronics</subject><ispartof>IEEE transactions on electron devices, 2018-06, Vol.65 (6), p.2164-2169</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c263t-fcbb441c0fd17b4935e93cedc749d35963ceebf990e935d5964c8de09a4a135a3</citedby><cites>FETCH-LOGICAL-c263t-fcbb441c0fd17b4935e93cedc749d35963ceebf990e935d5964c8de09a4a135a3</cites><orcidid>0000-0003-2115-6138</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8252718$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,778,782,794,27907,27908,54741</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8252718$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Hu, Peng</creatorcontrib><creatorcontrib>Lei, Wenqiang</creatorcontrib><creatorcontrib>Jiang, Yi</creatorcontrib><creatorcontrib>Huang, Yinhu</creatorcontrib><creatorcontrib>Song, Rui</creatorcontrib><creatorcontrib>Chen, Hongbin</creatorcontrib><creatorcontrib>Dong, Ye</creatorcontrib><title>Development of a 0.32-THz Folded Waveguide Traveling Wave Tube</title><title>IEEE transactions on electron devices</title><addtitle>TED</addtitle><description>A traveling wave tube amplifier operating above 300 GHz based on folded waveguide (FWG) slow-wave structure is presented in this paper. The design and test results of key components are presented, including FWG slow-wave structure, electron optic system, and RF windows. The FWG slow-wave structure of this prototype tube was fabricated by the high-speed precision milling technology; the dimension tolerance achieves <inline-formula> <tex-math notation="LaTeX">\pm 5~\mu \text{m} </tex-math></inline-formula>, and fabricated surface roughness achieves 300-nm Ra. This amplifier demonstrates over 130 mW of maximum output power and 19.6 dB of small-signal gain at 318.24 GHz from a 16.9-kV, 16-mA electron beam with a duty cycle of 10%. The operation voltage rising induced by fabrication errors is also discussed.</description><subject>Amplifier</subject><subject>Electron guns</subject><subject>Electron tubes</subject><subject>Fabrication</subject><subject>folded waveguide (FWG)</subject><subject>Gain</subject><subject>Optical waveguides</subject><subject>pierce gun</subject><subject>pill-box window</subject><subject>Radio frequency</subject><subject>terahertz</subject><subject>traveling wave tube (TWT)</subject><subject>vacuum electronics</subject><issn>0018-9383</issn><issn>1557-9646</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9j8tKA0EQRRtRMEb3gpv-gRn7_dgIkqcQcDPisunprg4jk0yYSQL69XZMcFV1D3ULDkKPlJSUEvtczaYlI1SXTButDLtCIyqlLqwS6hqNCKGmsNzwW3Q3DF85KiHYCL1M4Qhtt9vAdo-7hD0mJWdFtfzB866NEPGnP8L60ETAVZ_Xttmu_xiuDjXco5vk2wEeLnOMPuazarIsVu-Lt8nrqghM8X2RQl0LQQNJkepaWC7B8gAxaGEjl1blAHWylmQuYwYimAjEeuEpl56PETn_DX03DD0kt-ubje-_HSXu5O-yvzv5u4t_rjydKw0A_J8bJpmmhv8CsLtVZQ</recordid><startdate>201806</startdate><enddate>201806</enddate><creator>Hu, Peng</creator><creator>Lei, Wenqiang</creator><creator>Jiang, Yi</creator><creator>Huang, Yinhu</creator><creator>Song, Rui</creator><creator>Chen, Hongbin</creator><creator>Dong, Ye</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0003-2115-6138</orcidid></search><sort><creationdate>201806</creationdate><title>Development of a 0.32-THz Folded Waveguide Traveling Wave Tube</title><author>Hu, Peng ; Lei, Wenqiang ; Jiang, Yi ; Huang, Yinhu ; Song, Rui ; Chen, Hongbin ; Dong, Ye</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c263t-fcbb441c0fd17b4935e93cedc749d35963ceebf990e935d5964c8de09a4a135a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Amplifier</topic><topic>Electron guns</topic><topic>Electron tubes</topic><topic>Fabrication</topic><topic>folded waveguide (FWG)</topic><topic>Gain</topic><topic>Optical waveguides</topic><topic>pierce gun</topic><topic>pill-box window</topic><topic>Radio frequency</topic><topic>terahertz</topic><topic>traveling wave tube (TWT)</topic><topic>vacuum electronics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hu, Peng</creatorcontrib><creatorcontrib>Lei, Wenqiang</creatorcontrib><creatorcontrib>Jiang, Yi</creatorcontrib><creatorcontrib>Huang, Yinhu</creatorcontrib><creatorcontrib>Song, Rui</creatorcontrib><creatorcontrib>Chen, Hongbin</creatorcontrib><creatorcontrib>Dong, Ye</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>Hu, Peng</au><au>Lei, Wenqiang</au><au>Jiang, Yi</au><au>Huang, Yinhu</au><au>Song, Rui</au><au>Chen, Hongbin</au><au>Dong, Ye</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Development of a 0.32-THz Folded Waveguide Traveling Wave Tube</atitle><jtitle>IEEE transactions on electron devices</jtitle><stitle>TED</stitle><date>2018-06</date><risdate>2018</risdate><volume>65</volume><issue>6</issue><spage>2164</spage><epage>2169</epage><pages>2164-2169</pages><issn>0018-9383</issn><eissn>1557-9646</eissn><coden>IETDAI</coden><abstract>A traveling wave tube amplifier operating above 300 GHz based on folded waveguide (FWG) slow-wave structure is presented in this paper. The design and test results of key components are presented, including FWG slow-wave structure, electron optic system, and RF windows. The FWG slow-wave structure of this prototype tube was fabricated by the high-speed precision milling technology; the dimension tolerance achieves <inline-formula> <tex-math notation="LaTeX">\pm 5~\mu \text{m} </tex-math></inline-formula>, and fabricated surface roughness achieves 300-nm Ra. This amplifier demonstrates over 130 mW of maximum output power and 19.6 dB of small-signal gain at 318.24 GHz from a 16.9-kV, 16-mA electron beam with a duty cycle of 10%. The operation voltage rising induced by fabrication errors is also discussed.</abstract><pub>IEEE</pub><doi>10.1109/TED.2017.2787682</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-2115-6138</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Amplifier Electron guns Electron tubes Fabrication folded waveguide (FWG) Gain Optical waveguides pierce gun pill-box window Radio frequency terahertz traveling wave tube (TWT) vacuum electronics |
| title | Development of a 0.32-THz Folded Waveguide Traveling Wave Tube |
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