{"created":"2023-05-15T15:02:19.852012+00:00","id":84519,"links":{},"metadata":{"_buckets":{"deposit":"c28dc9e5-c582-461c-8b99-641ac8d259cb"},"_deposit":{"created_by":1,"id":"84519","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"84519"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00084519","sets":["1"]},"author_link":["1020196","1020180","1020203","1020189","1020207","1020211","1020181","1020191","1020183","1020199","1020204","1020187","1020186","1020205","1020200","1020185","1020201","1020194","1020198","1020208","1020192","1020202","1020209","1020188","1020190","1020184","1020193","1020210","1020206","1020195","1020182","1020197"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2022-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"026039-8","bibliographicPageStart":"026039-1","bibliographicVolumeNumber":"62","bibliographic_titles":[{"bibliographic_title":"Nuclear Fusion"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"A gyrotron and a matching optics unit (MOU) for the multi-frequency electron cyclotron heating and current drive (ECH/CD) system in JT-60SA have been developed successfully. The gyrotron demonstrated stable operation at high powers of 1.5 MW for 5 s and 1.9 MW for 1 s at 110 GHz. To obtain high HE11 mode purity (> 90%) at the outlet of the waveguide in the ECH/CD launcher, a MOU for operating at three frequencies of 82 GHz, 110 GHz, and 138 GHz that includes three pairs of water-cooled phase correcting mirrors has been developed, which allows the mirrors to be changed without opening the evacuated MOU. The mode purity at the inlet of a dummy load in the transmission line was evaluated at high-power and an HE11 mode purity of > 90% was obtained at three frequencies.","subitem_description_type":"Abstract"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1088/1741-4326/ac42f4","subitem_relation_type_select":"DOI"}}]},"item_8_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://iopscience.iop.org/article/10.1088/1741-4326/ac42f4","subitem_relation_type_select":"URI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0029-5515","subitem_source_identifier_type":"ISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only 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Yajima"}],"nameIdentifiers":[{"nameIdentifier":"1020192","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ken, Kajiwara"}],"nameIdentifiers":[{"nameIdentifier":"1020193","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Koji, Takahashi"}],"nameIdentifiers":[{"nameIdentifier":"1020194","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Shinichi, Moriyama"}],"nameIdentifiers":[{"nameIdentifier":"1020195","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Takayuki, Kobayashi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1020196","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Hibiki, Yamazaki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1020197","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Shinichi, 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JT-60SA"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-12-22"},"publish_date":"2021-12-22","publish_status":"0","recid":"84519","relation_version_is_last":true,"title":["Development of high-power, long-pulse, multi-frequency ECH/CD system for JT-60SA"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T18:22:30.402363+00:00"}