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An output coupler for a W-band high power wideband gyro-amplifier

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dc.contributor.authorMcElhinney, Paul
dc.contributor.authorDonaldson, Craig
dc.contributor.authorMcKay, Johannes Erik
dc.contributor.authorZhang, Liang
dc.contributor.authorRobertson, Duncan Alexander
dc.contributor.authorHunter, Robert Iain
dc.contributor.authorSmith, Graham Murray
dc.contributor.authorHe, Wenlong
dc.contributor.authorCross, Adrian
dc.date.accessioned2017-02-17T15:30:19Z
dc.date.available2017-02-17T15:30:19Z
dc.date.issued2017-04
dc.identifier249000445
dc.identifier257383be-b3d3-4408-b393-8e910b774eb9
dc.identifier85013278107
dc.identifier000398818400053
dc.identifier.citationMcElhinney , P , Donaldson , C , McKay , J E , Zhang , L , Robertson , D A , Hunter , R I , Smith , G M , He , W & Cross , A 2017 , ' An output coupler for a W-band high power wideband gyro-amplifier ' , IEEE Transactions on Electron Devices , vol. 64 , no. 4 , 7857760 . https://doi.org/10.1109/TED.2017.2660304en
dc.identifier.issn0018-9383
dc.identifier.otherORCID: /0000-0002-4042-2772/work/42588101
dc.identifier.otherORCID: /0000-0001-6578-7412/work/59464761
dc.identifier.otherORCID: /0000-0002-0415-9540/work/60195460
dc.identifier.urihttps://hdl.handle.net/10023/10317
dc.descriptionThis work was supported by the Engineering and Physical Sciences Research Council (EPSRC) U.K. under Research Grant EP/K029746/1, and Science and Technology Facilities Council (STFC) U.K. under Research Grants ST/K006673/1 & ST/K006703/1, ST/N002326/1 & ST/N002318/1.en
dc.description.abstractAn output coupler for a W-band high power wideband gyro-amplifier has been designed, manufactured and experimentally measured. It consists of a high performance sin2-parallel corrugated horn integrated with a broadband multi-layer window. The major design requirements are that the horn/window combination must have an input return loss lower than -30 dB over a 10 GHz bandwidth, provide a high quality output beam pattern, and operate under ultra-high vacuum conditions. The coupler converts a circular wave guide TE11 mode into the free space Laguerre Gaussian LG00 mode over the frequency band of 90–100 GHz with a measured return loss of between -30 and -40 dB and a simulated Gaussian coupling efficiency of over 99% at 94 GHz.
dc.format.extent4
dc.format.extent761608
dc.language.isoeng
dc.relation.ispartofIEEE Transactions on Electron Devicesen
dc.subjectCorrugated hornen
dc.subjectGaussian couplingen
dc.subjectMicrowave windowen
dc.subjectQC Physicsen
dc.subjectTK Electrical engineering. Electronics Nuclear engineeringen
dc.subjectNDASen
dc.subject.lccQCen
dc.subject.lccTKen
dc.titleAn output coupler for a W-band high power wideband gyro-amplifieren
dc.typeJournal articleen
dc.contributor.sponsorScience & Technology Facilities Councilen
dc.contributor.sponsorScience & Technology Facilities Councilen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.identifier.doihttps://doi.org/10.1109/TED.2017.2660304
dc.description.statusPeer revieweden
dc.identifier.grantnumberST/K006703/1en
dc.identifier.grantnumberST/N002318/1en


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