S. Sotgiu, M. Malerba, L. Baldassarre, R. Gillibert, V. Giliberti, M. Ortolani, R. Colombelli
{"title":"Mid-infrared nano-imaging of current patterns in patch antenna resonators","authors":"S. Sotgiu, M. Malerba, L. Baldassarre, R. Gillibert, V. Giliberti, M. Ortolani, R. Colombelli","doi":"10.1109/IRMMW-THz50926.2021.9567006","DOIUrl":null,"url":null,"abstract":"Surface current patterns in single patch antennas are imaged by means of photoexpansion nanospectroscopy performed with an atomic force microscopy probe and a broadly tunable quantum cascade laser system. The local ohmic losses lead to temperature increase of a thin polymer layer positioned in the cavity, which then expands.","PeriodicalId":6852,"journal":{"name":"2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)","volume":"93 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-THz50926.2021.9567006","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
Surface current patterns in single patch antennas are imaged by means of photoexpansion nanospectroscopy performed with an atomic force microscopy probe and a broadly tunable quantum cascade laser system. The local ohmic losses lead to temperature increase of a thin polymer layer positioned in the cavity, which then expands.
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