{"title":"Physical design and recent experimental results of the new ICRF antenna on EAST","authors":"Hua Yang, Xinjun Zhang, Shuai Yuan, Chengming Qin, Wei Zhang, Guillaume Urbanczyk, Jinping Qian, Lunan Liu, Gaoxiang Wang, Qingqing Chen","doi":"10.1088/2058-6272/ad273d","DOIUrl":null,"url":null,"abstract":"\n Two new ICRF antennas operating in the ion cyclotron radio frequency (ICRF) range have been developed for EAST to overcome the low coupling problem of the original antennas. The original ICRF antennas were limited in their power capacity due to insufficient coupling. The new antenna design takes into account both wave coupling and absorption processes through comprehensive wave coupling and absorption codes, with the dominant parallel wave number k_∥ of 7.5 m-1 at dipole phasing. Through the use of these new ICRF antennas, we are able to achieve 3.8 MW output power and 360 second operation, respectively. The initial experimental results demonstrate the reliability of the antenna design method.","PeriodicalId":506986,"journal":{"name":"Plasma Science and Technology","volume":"21 8","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Plasma Science and Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/2058-6272/ad273d","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
Two new ICRF antennas operating in the ion cyclotron radio frequency (ICRF) range have been developed for EAST to overcome the low coupling problem of the original antennas. The original ICRF antennas were limited in their power capacity due to insufficient coupling. The new antenna design takes into account both wave coupling and absorption processes through comprehensive wave coupling and absorption codes, with the dominant parallel wave number k_∥ of 7.5 m-1 at dipole phasing. Through the use of these new ICRF antennas, we are able to achieve 3.8 MW output power and 360 second operation, respectively. The initial experimental results demonstrate the reliability of the antenna design method.
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