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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.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 .
dc.identifier.otherPURE: 249000445
dc.identifier.otherPURE UUID: 257383be-b3d3-4408-b393-8e910b774eb9
dc.identifier.otherScopus: 85013278107
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.otherWOS: 000398818400053
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.relation.ispartofIEEE Transactions on Electron Devicesen
dc.rights© 2017, IEEE. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at /
dc.subjectCorrugated hornen
dc.subjectGaussian couplingen
dc.subjectMicrowave windowen
dc.subjectQC Physicsen
dc.subjectTK Electrical engineering. Electronics Nuclear engineeringen
dc.titleAn output coupler for a W-band high power wideband gyro-amplifieren
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.description.statusPeer revieweden

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