{"title":"一种基于开放式同轴线的电介质S11校准夹具结构","authors":"K. Shibata","doi":"10.1109/RFM56185.2022.10065373","DOIUrl":null,"url":null,"abstract":"An S11 calibration method for jigs with conditions referred to as SOM (short, open and one type of reference material) termination and a novel jig structure for precise S11 calibration using short termination are proposed. For this purpose, the inner diameter of the jig’s circular waveguide (sample holder) was made slightly larger than that of the outer conductor of the coaxial line to allow complete electrical contact. The results showed good agreement between the measured S11 after calibration and the theoretical S11 value. The permittivity was then estimated as an inverse problem via the electromagnetic analysis at frequencies of 0.10, 1.0 and 2.5 GHz from the S11 values measured with various liquids in the jig after calibration. As a result, good agreement between both values showed the effectiveness of S11 calibration with SOM termination using the proposed jig and the subsequent dielectric measurement method.","PeriodicalId":171480,"journal":{"name":"2022 IEEE International RF and Microwave Conference (RFM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Jig Structure Based on an Open-Ended Coaxial Line for S11 Calibration for Dielectric Measurement\",\"authors\":\"K. Shibata\",\"doi\":\"10.1109/RFM56185.2022.10065373\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An S11 calibration method for jigs with conditions referred to as SOM (short, open and one type of reference material) termination and a novel jig structure for precise S11 calibration using short termination are proposed. For this purpose, the inner diameter of the jig’s circular waveguide (sample holder) was made slightly larger than that of the outer conductor of the coaxial line to allow complete electrical contact. The results showed good agreement between the measured S11 after calibration and the theoretical S11 value. The permittivity was then estimated as an inverse problem via the electromagnetic analysis at frequencies of 0.10, 1.0 and 2.5 GHz from the S11 values measured with various liquids in the jig after calibration. As a result, good agreement between both values showed the effectiveness of S11 calibration with SOM termination using the proposed jig and the subsequent dielectric measurement method.\",\"PeriodicalId\":171480,\"journal\":{\"name\":\"2022 IEEE International RF and Microwave Conference (RFM)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-12-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2022 IEEE International RF and Microwave Conference (RFM)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RFM56185.2022.10065373\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE International RF and Microwave Conference (RFM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFM56185.2022.10065373","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
提出了一种基于SOM (short, open and one reference material)端接的夹具S11定标方法和一种基于短端接的夹具S11精确定标新结构。为此，夹具的圆波导(样品夹)的内径略大于同轴线的外导体的内径，以允许完全的电接触。结果表明，校正后的S11测量值与理论S11值吻合较好。然后通过电磁分析，根据校正后夹具中不同液体测量的S11值，在0.10、1.0和2.5 GHz频率下估计介电常数为逆问题。结果表明，两个值之间的良好一致性表明，使用所提出的夹具和随后的介电测量方法进行SOM端接的S11校准是有效的。
A Jig Structure Based on an Open-Ended Coaxial Line for S11 Calibration for Dielectric Measurement
An S11 calibration method for jigs with conditions referred to as SOM (short, open and one type of reference material) termination and a novel jig structure for precise S11 calibration using short termination are proposed. For this purpose, the inner diameter of the jig’s circular waveguide (sample holder) was made slightly larger than that of the outer conductor of the coaxial line to allow complete electrical contact. The results showed good agreement between the measured S11 after calibration and the theoretical S11 value. The permittivity was then estimated as an inverse problem via the electromagnetic analysis at frequencies of 0.10, 1.0 and 2.5 GHz from the S11 values measured with various liquids in the jig after calibration. As a result, good agreement between both values showed the effectiveness of S11 calibration with SOM termination using the proposed jig and the subsequent dielectric measurement method.
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