{"title":"110-170 GHz频率范围锥形波导功率计的校准","authors":"M. Kinoshita, Y. Tojima, H. Iida","doi":"10.1109/IRMMW-THZ.2018.8509920","DOIUrl":null,"url":null,"abstract":"For millimeter (mm) wave power measurement at frequencies above 110 GHz, the use of a lower frequency power meter such as a W-band power meter with a tapered waveguide $(\\mathrm{PM}_{\\mathrm{T}})$ is convenient and practical. However, a complex analysis of the multiple-mode in the W-band waveguide is required for precise power measurement. Therefore, we calibrated a $\\mathrm{PM}_{\\mathrm{T}}$ by directly comparing it with a D-band single-mode calorimeter. This comparison does not need complex analysis because the D-band calorimeter can measure the absolute value of mm-wave power at a frequency above 110 GHz. The uncertainty of the calibration was approximately 4%. This result can be a good reference for the measurement capacity of a $\\mathrm{PM}_{\\mathrm{T}}$.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"17 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Calibration of Power Meter with Tapered Waveguide at Frequency Range of 110–170 GHz\",\"authors\":\"M. Kinoshita, Y. Tojima, H. Iida\",\"doi\":\"10.1109/IRMMW-THZ.2018.8509920\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"For millimeter (mm) wave power measurement at frequencies above 110 GHz, the use of a lower frequency power meter such as a W-band power meter with a tapered waveguide $(\\\\mathrm{PM}_{\\\\mathrm{T}})$ is convenient and practical. However, a complex analysis of the multiple-mode in the W-band waveguide is required for precise power measurement. Therefore, we calibrated a $\\\\mathrm{PM}_{\\\\mathrm{T}}$ by directly comparing it with a D-band single-mode calorimeter. This comparison does not need complex analysis because the D-band calorimeter can measure the absolute value of mm-wave power at a frequency above 110 GHz. The uncertainty of the calibration was approximately 4%. This result can be a good reference for the measurement capacity of a $\\\\mathrm{PM}_{\\\\mathrm{T}}$.\",\"PeriodicalId\":6653,\"journal\":{\"name\":\"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)\",\"volume\":\"17 1\",\"pages\":\"1-2\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IRMMW-THZ.2018.8509920\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRMMW-THZ.2018.8509920","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Calibration of Power Meter with Tapered Waveguide at Frequency Range of 110–170 GHz
For millimeter (mm) wave power measurement at frequencies above 110 GHz, the use of a lower frequency power meter such as a W-band power meter with a tapered waveguide $(\mathrm{PM}_{\mathrm{T}})$ is convenient and practical. However, a complex analysis of the multiple-mode in the W-band waveguide is required for precise power measurement. Therefore, we calibrated a $\mathrm{PM}_{\mathrm{T}}$ by directly comparing it with a D-band single-mode calorimeter. This comparison does not need complex analysis because the D-band calorimeter can measure the absolute value of mm-wave power at a frequency above 110 GHz. The uncertainty of the calibration was approximately 4%. This result can be a good reference for the measurement capacity of a $\mathrm{PM}_{\mathrm{T}}$.
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