{"title":"Design of a W-band rising-sun anode magnetron","authors":"Tianzhong Zhang, Xiao-dong Chen, Sheng Yu","doi":"10.1109/IRMMW-THz50926.2021.9566992","DOIUrl":null,"url":null,"abstract":"A This paper presents our investigation into a W-band magnetron that consists of 12 pairs of rising-sun anode cavities and an axial funnel-to-waveguide output structure for improving mode separation and obtaining an efficient output power extraction. The EM simulation shows that the separation between π-mode and adjacent modes is more than 2GHz and the external Q value of π-mode is sufficient high for a stable operation in the optimized design. The ‘hot-test’ simulation shows that the magnetron is capable of delivering a maximum output power of 180 kW with an operation efficiency of 56.6% at 94.1GHz, under a moderate anode voltage of 31.9kV and magnetic field of 1.18Tesla.","PeriodicalId":6852,"journal":{"name":"2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)","volume":"285 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRMMW-THz50926.2021.9566992","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
A This paper presents our investigation into a W-band magnetron that consists of 12 pairs of rising-sun anode cavities and an axial funnel-to-waveguide output structure for improving mode separation and obtaining an efficient output power extraction. The EM simulation shows that the separation between π-mode and adjacent modes is more than 2GHz and the external Q value of π-mode is sufficient high for a stable operation in the optimized design. The ‘hot-test’ simulation shows that the magnetron is capable of delivering a maximum output power of 180 kW with an operation efficiency of 56.6% at 94.1GHz, under a moderate anode voltage of 31.9kV and magnetic field of 1.18Tesla.
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