{"title":"梯度金属光栅电子束诱导的类艾里光束太赫兹辐射","authors":"T. Matsui, R. Yoshida, Kazuki Omura","doi":"10.1109/IRMMW-THZ.2018.8510061","DOIUrl":null,"url":null,"abstract":"We have numerically analyzed an electron beam -induced Airy beam-like terahertz (THz) radiation from graded metallic grating structures with graded groove spacing (GGS) based on a simplified particle-in-cell finite-difference time-domain method. Airy beam-like directional THz beams are obtained from GGSs designed to give appropriate phase delay in each scattered radiation from each grooves. Our findings may open the way for a development of novel THz radiation source based on the wide variety of metallic grating structures.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"40 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Electron Beam-Induced Airy Beam-Like THz Radiation from Graded Metallic Grating\",\"authors\":\"T. Matsui, R. Yoshida, Kazuki Omura\",\"doi\":\"10.1109/IRMMW-THZ.2018.8510061\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We have numerically analyzed an electron beam -induced Airy beam-like terahertz (THz) radiation from graded metallic grating structures with graded groove spacing (GGS) based on a simplified particle-in-cell finite-difference time-domain method. Airy beam-like directional THz beams are obtained from GGSs designed to give appropriate phase delay in each scattered radiation from each grooves. Our findings may open the way for a development of novel THz radiation source based on the wide variety of metallic grating structures.\",\"PeriodicalId\":6653,\"journal\":{\"name\":\"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)\",\"volume\":\"40 1\",\"pages\":\"1-2\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IRMMW-THZ.2018.8510061\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRMMW-THZ.2018.8510061","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Electron Beam-Induced Airy Beam-Like THz Radiation from Graded Metallic Grating
We have numerically analyzed an electron beam -induced Airy beam-like terahertz (THz) radiation from graded metallic grating structures with graded groove spacing (GGS) based on a simplified particle-in-cell finite-difference time-domain method. Airy beam-like directional THz beams are obtained from GGSs designed to give appropriate phase delay in each scattered radiation from each grooves. Our findings may open the way for a development of novel THz radiation source based on the wide variety of metallic grating structures.
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