{"title":"An Experimentally Validated Multi-Physics Simulation of Microwave-Induced Thermoacoustics under Microwave Heating","authors":"A. Evans, Chu Ma, S. Hagness","doi":"10.1109/AP-S/USNC-URSI47032.2022.9887088","DOIUrl":null,"url":null,"abstract":"Microwave-induced thermoacoustic imaging is a promising method for monitoring microwave ablation in real-time. We investigate the impact of a dynamic temperature environment on thermacoustic signal characteristics. First, we experimentally validate the simulation model using spatially uniform temperature profiles. Then, we investigate the evolution of TA signal characteristics within the spatially nonuniform temperature profiles that arise during microwave heating. We find that thermoacoustic signal characteristics are highly temperature-dependent and thus change significantly within an environment where temperature varies through space and time.","PeriodicalId":371560,"journal":{"name":"2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9887088","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Microwave-induced thermoacoustic imaging is a promising method for monitoring microwave ablation in real-time. We investigate the impact of a dynamic temperature environment on thermacoustic signal characteristics. First, we experimentally validate the simulation model using spatially uniform temperature profiles. Then, we investigate the evolution of TA signal characteristics within the spatially nonuniform temperature profiles that arise during microwave heating. We find that thermoacoustic signal characteristics are highly temperature-dependent and thus change significantly within an environment where temperature varies through space and time.
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