H. Idei, K. Hanada, K. Ohkubo, M. Hasegawa, T. Notake, S. Kubo, T. Shimozuma, S. Ito, K.N. Sato, H. Zushi, K. Nakamura, M. Sakamoto, A. Iyomasa, S. Kawasaki, H. Nakashima, A. Higashijima, S. Nishi
{"title":"Remote steering antenna system on the TRIAM-1M tokamak","authors":"H. Idei, K. Hanada, K. Ohkubo, M. Hasegawa, T. Notake, S. Kubo, T. Shimozuma, S. Ito, K.N. Sato, H. Zushi, K. Nakamura, M. Sakamoto, A. Iyomasa, S. Kawasaki, H. Nakashima, A. Higashijima, S. Nishi","doi":"10.1109/ICIMW.2004.1422297","DOIUrl":null,"url":null,"abstract":"A remote steering antenna designed as a symmetric direction antenna is prepared for electron cyclotron heating (ECH) and current drive (ECCD) experiments on the TRIAM-1M tokamak. The steering angles of 8-19 degrees are available in the design, in addition to the angle near 0 degrees. The antenna is tested at both of high and low power levels. The fraction of radiated power to injected power at the antenna is roughly evaluated at the low power test. The angle radiated from the antenna is checked from both of the intensity and phase measurements at the low power test. Several percentage losses at the antenna are evaluated at the high power test. The antenna system is evaluated to work correctly.","PeriodicalId":13627,"journal":{"name":"Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004.","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIMW.2004.1422297","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
A remote steering antenna designed as a symmetric direction antenna is prepared for electron cyclotron heating (ECH) and current drive (ECCD) experiments on the TRIAM-1M tokamak. The steering angles of 8-19 degrees are available in the design, in addition to the angle near 0 degrees. The antenna is tested at both of high and low power levels. The fraction of radiated power to injected power at the antenna is roughly evaluated at the low power test. The angle radiated from the antenna is checked from both of the intensity and phase measurements at the low power test. Several percentage losses at the antenna are evaluated at the high power test. The antenna system is evaluated to work correctly.