{"title":"Application of laser generated moth-eye structure for a periodic terahertz-wave generator","authors":"Xi Yu, S. Ono, J. Bae","doi":"10.1109/IRMMW-THz.2019.8874269","DOIUrl":null,"url":null,"abstract":"To improve the generation efficiency of terahertz wave from periodic terahertz-wave generator, femtosecond laser was employed to fabricated moth-eye structure on the reverse of the antenna substrate (LT-GaAs). The AR structured antennas had a 2.5–4.4 times improvement of the output at the frequency of 0.342 THz (calculated fout), 0.283 THz, 0.226 THz (experimental fout of generator without and with moth-eye structure), the improvement are 3 times, 2.5 times, and 4.4 times, respectively.","PeriodicalId":6686,"journal":{"name":"2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"11 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRMMW-THz.2019.8874269","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
To improve the generation efficiency of terahertz wave from periodic terahertz-wave generator, femtosecond laser was employed to fabricated moth-eye structure on the reverse of the antenna substrate (LT-GaAs). The AR structured antennas had a 2.5–4.4 times improvement of the output at the frequency of 0.342 THz (calculated fout), 0.283 THz, 0.226 THz (experimental fout of generator without and with moth-eye structure), the improvement are 3 times, 2.5 times, and 4.4 times, respectively.
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