{"title":"基于连续波太赫兹反射法的水分变化非接触检测","authors":"S. Hashizume, Y. Monnai","doi":"10.1109/IRMMW-THz46771.2020.9370990","DOIUrl":null,"url":null,"abstract":"We present a method for measuring water content in a sample using CW terahertz reflectometry. A Vector Network Analyzer (VNA) is used to irradiate a 300 GHz band terahertz wave to a wet sample, and the complex reflection coefficient is measured. The temporal change of the water content is thus observed by analyzing the change of the complex reflection coefficient. By fitting the measurement result with a multi-reflection model, we experimentally confirmed the observation of the moisture change on a paper sample.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"07 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Non-contact inspection of Moisture Change Based on CW Terahertz Reflectometry\",\"authors\":\"S. Hashizume, Y. Monnai\",\"doi\":\"10.1109/IRMMW-THz46771.2020.9370990\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We present a method for measuring water content in a sample using CW terahertz reflectometry. A Vector Network Analyzer (VNA) is used to irradiate a 300 GHz band terahertz wave to a wet sample, and the complex reflection coefficient is measured. The temporal change of the water content is thus observed by analyzing the change of the complex reflection coefficient. By fitting the measurement result with a multi-reflection model, we experimentally confirmed the observation of the moisture change on a paper sample.\",\"PeriodicalId\":6746,\"journal\":{\"name\":\"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)\",\"volume\":\"07 1\",\"pages\":\"1-2\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-11-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IRMMW-THz46771.2020.9370990\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370990","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Non-contact inspection of Moisture Change Based on CW Terahertz Reflectometry
We present a method for measuring water content in a sample using CW terahertz reflectometry. A Vector Network Analyzer (VNA) is used to irradiate a 300 GHz band terahertz wave to a wet sample, and the complex reflection coefficient is measured. The temporal change of the water content is thus observed by analyzing the change of the complex reflection coefficient. By fitting the measurement result with a multi-reflection model, we experimentally confirmed the observation of the moisture change on a paper sample.
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