{"title":"THz Generation and Spectroscopy with Nonlinear Plasmonic Metasurface Antennas Excited by a Nanojoule Femtosecond Laser","authors":"Mai Tal, Shay Keren-Zur, T. Ellenbogen","doi":"10.1364/cleo_si.2020.sm2f.6","DOIUrl":null,"url":null,"abstract":"We study THz light emitted from nonlinear metasurfaces, excited by low energy femtosecond lasers. Conversion efficiencies comparable to 2500-fold thicker nonlinear crystals allow measurement of α-lactose absorption lines, showing suitability for time domain spectroscopy.","PeriodicalId":6719,"journal":{"name":"2020 Conference on Lasers and Electro-Optics (CLEO)","volume":"68 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 Conference on Lasers and Electro-Optics (CLEO)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/cleo_si.2020.sm2f.6","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
We study THz light emitted from nonlinear metasurfaces, excited by low energy femtosecond lasers. Conversion efficiencies comparable to 2500-fold thicker nonlinear crystals allow measurement of α-lactose absorption lines, showing suitability for time domain spectroscopy.
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