Partially Grounded Depressed Beam Collector
A novel depressed beam collector concept is described that can be relevant for klystrons and other linear beam tubes. In addition to the usual collector element or elements biased negatively to recover unspent-beam energy, a grounded element is introduced to collect reflected primary and backsteamin...
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| Veröffentlicht in: | IEEE transactions on electron devices 2015-12, Vol.62 (12), p.4265-4270 |
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| container_end_page | 4270 |
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| container_issue | 12 |
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| container_title | IEEE transactions on electron devices |
| container_volume | 62 |
| creator | Yong Jiang Teryaev, Vladimir E. Hirshfield, Jay L. |
| description | A novel depressed beam collector concept is described that can be relevant for klystrons and other linear beam tubes. In addition to the usual collector element or elements biased negatively to recover unspent-beam energy, a grounded element is introduced to collect reflected primary and backsteaming secondary electrons that, on account of transverse deflection, can be prevented from returning toward the cathode. A theoretical and simulation analysis is presented leading to the estimations of efficiency for this configuration, with examples that apply to a recently demonstrated L-band multibeam klystron. Efficiencies are predicted to be significantly higher for tubes employing partially grounded depressed collectors (DCs) than for tubes employing the conventional DCs. |
| doi_str_mv | 10.1109/TED.2015.2490238 |
| format | Article |
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In addition to the usual collector element or elements biased negatively to recover unspent-beam energy, a grounded element is introduced to collect reflected primary and backsteaming secondary electrons that, on account of transverse deflection, can be prevented from returning toward the cathode. A theoretical and simulation analysis is presented leading to the estimations of efficiency for this configuration, with examples that apply to a recently demonstrated L-band multibeam klystron. Efficiencies are predicted to be significantly higher for tubes employing partially grounded depressed collectors (DCs) than for tubes employing the conventional DCs.</description><identifier>ISSN: 0018-9383</identifier><identifier>EISSN: 1557-9646</identifier><identifier>DOI: 10.1109/TED.2015.2490238</identifier><identifier>CODEN: IETDAI</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Accumulators ; Cathodes ; Collectors ; Deflection ; Depressed collector (DC) ; Devices ; Electron beams ; High-voltage techniques ; Klystrons ; linear electron beam tubes ; Simulation ; Space charge ; Tubes</subject><ispartof>IEEE transactions on electron devices, 2015-12, Vol.62 (12), p.4265-4270</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Dec 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-5e6f7e15d4d63be1914417c1d1c8e99fc7b6a7ffd12461ebda10ae02e5fdceed3</citedby><cites>FETCH-LOGICAL-c441t-5e6f7e15d4d63be1914417c1d1c8e99fc7b6a7ffd12461ebda10ae02e5fdceed3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7308018$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7308018$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Yong Jiang</creatorcontrib><creatorcontrib>Teryaev, Vladimir E.</creatorcontrib><creatorcontrib>Hirshfield, Jay L.</creatorcontrib><title>Partially Grounded Depressed Beam Collector</title><title>IEEE transactions on electron devices</title><addtitle>TED</addtitle><description>A novel depressed beam collector concept is described that can be relevant for klystrons and other linear beam tubes. In addition to the usual collector element or elements biased negatively to recover unspent-beam energy, a grounded element is introduced to collect reflected primary and backsteaming secondary electrons that, on account of transverse deflection, can be prevented from returning toward the cathode. A theoretical and simulation analysis is presented leading to the estimations of efficiency for this configuration, with examples that apply to a recently demonstrated L-band multibeam klystron. Efficiencies are predicted to be significantly higher for tubes employing partially grounded depressed collectors (DCs) than for tubes employing the conventional DCs.</description><subject>Accumulators</subject><subject>Cathodes</subject><subject>Collectors</subject><subject>Deflection</subject><subject>Depressed collector (DC)</subject><subject>Devices</subject><subject>Electron beams</subject><subject>High-voltage techniques</subject><subject>Klystrons</subject><subject>linear electron beam tubes</subject><subject>Simulation</subject><subject>Space charge</subject><subject>Tubes</subject><issn>0018-9383</issn><issn>1557-9646</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1LAzEQhoMoWKt3wUvBiyBbM5vPPWpbq1DQQz2HNJnAlm23JruH_vumtHjwNB887zA8hNwDHQPQ6mU5m45LCmJc8oqWTF-QAQihikpyeUkGlIIuKqbZNblJaZ1HyXk5IM_fNna1bZr9aB7bfuvRj6a4i5hS7t7QbkaTtmnQdW28JVfBNgnvznVIft5ny8lHsfiaf05eF4XjHLpCoAwKQXjuJVshVJDXyoEHp7GqglMraVUIHkouAVfeArVISxTBO0TPhuTpdHcX298eU2c2dXLYNHaLbZ8MKC1BKqrKjD7-Q9dtH7f5u0wxrbmQQmeKnigX25QiBrOL9cbGvQFqjvZMtmeO9szZXo48nCI1Iv7hilGdRbID9AZp-w</recordid><startdate>20151201</startdate><enddate>20151201</enddate><creator>Yong Jiang</creator><creator>Teryaev, Vladimir E.</creator><creator>Hirshfield, Jay L.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | IEEE transactions on electron devices, 2015-12, Vol.62 (12), p.4265-4270 |
| issn | 0018-9383 1557-9646 |
| language | eng |
| recordid | cdi_ieee_primary_7308018 |
| source | IEEE Electronic Library (IEL) |
| subjects | Accumulators Cathodes Collectors Deflection Depressed collector (DC) Devices Electron beams High-voltage techniques Klystrons linear electron beam tubes Simulation Space charge Tubes |
| title | Partially Grounded Depressed Beam Collector |
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